Search results for "History of chemistry" - New World Encyclopedia
From New World Encyclopedia
- Organic chemistry is the scientific study of the structures, properties ... Organic compounds are primarily composed of carbon and hydrogen, and ...8 KB (1,161 words) - 01:13, 18 November 2022
- Atmospheric chemistry involves study of the chemistry of the atmospheres ... Earth's atmosphere is composed of about 78 percent nitrogen, ...11 KB (1,481 words) - 06:25, 21 August 2023
- Silica gel is a granular, porous form of silica, produced synthetically ... fungicides, or pesticides), packets of silica gel usually bear warnings ...7 KB (1,044 words) - 22:03, 29 January 2023
- German chemist who ushered in the age of biochemistry by clarifying ... * Von Meyer, Ernst. [1906] 2007. A History of Chemistry. tr. George ...7 KB (1,041 words) - 23:02, 22 June 2023
- stable isotope is 262Lr, with a half-life of approximately four hours. It ... The origin of the name, preferred by the American Chemical Society ...6 KB (798 words) - 17:58, 25 October 2022
- * Partington, J. R. 1964. A History of Chemistry, vol. 4. New York: ... * Von Meyer, Ernst. 1906. A History of Chemistry, translated by George ...9 KB (1,376 words) - 06:04, 15 June 2023
- Food chemistry is the study of chemical processes and interactions ... ==Brief history of food chemistry== The history of food chemistry dates ...10 KB (1,507 words) - 06:16, 1 April 2024
- 250px|Experimental work in progress in a chemistry laboratory.]] ... chemistry, geochemistry, history of chemistry, materials science ...20 KB (2,886 words) - 14:48, 5 December 2023
- made the first comprehensive analysis of the principles, by which he ... analysis itself. Critical self-analysis of its own procedures, methodologies ...9 KB (1,192 words) - 22:57, 30 November 2022
- Surface science is the study of physical and chemical phenomena that ... addition, it is important for the production of semiconductor devices, fuel ...13 KB (1,826 words) - 23:53, 26 February 2023
- Thulium (chemical symbol Tm, atomic number 69) is the least abundant ... techniques have led to easier separation of the rare earths, which has ...9 KB (1,135 words) - 23:14, 30 April 2023
- than sugar, making it the least potent of the commercially available ... its aftertaste is generally less than that of saccharin or acesulfame potassium ...7 KB (974 words) - 06:52, 12 January 2024
- occurring chemical element. It is a member of the halogen family of elements ... The total amount of astatine in the Earth's crust has been estimated ...6 KB (808 words) - 05:08, 18 August 2023
- as radium and is therefore a valuable source of neutrons. Its isotope 225Ac ... milligram amounts by the neutron irradiation of 226Ra in a nuclear reactor ...7 KB (911 words) - 05:39, 15 June 2023
- Supramolecular chemistry refers to an area of chemistry that specializes ... contrast, researchers in supramolecular chemistry examine the weaker and ...20 KB (2,678 words) - 17:36, 23 October 2022
- Nd,Y)PO4, which contains up to 0.03 percent of terbium), xenotime (YPO4) and ... == History == Terbium was discovered in 1843 by Swedish chemist Carl ...9 KB (1,141 words) - 03:47, 30 April 2023
- Europium (chemical symbol Eu, atomic number 63) is the most reactive ... has also been identified in the spectra of the Sun and certain stars. ...10 KB (1,254 words) - 04:34, 23 March 2024
- Boyle's law (sometimes called the Boyle-Mariotte law) is one ... == Statement of Boyle's law == Boyle's law can be stated ...8 KB (1,241 words) - 14:53, 28 April 2020
- quot; that would lead to the development of nutrition as a science. His ... before earning a doctorate in organic chemistry at the University of Gottingen ...8 KB (1,193 words) - 20:03, 9 February 2023
- and thorium ores. Although many isotopes of this element have been produced ... == History == This element, which was named for France, was the last ...6 KB (795 words) - 04:56, 9 April 2024
- insoluble liquid with the typical smell of paint thinners, redolent of ... == History == The name toluene was derived from the older name toluol ...10 KB (1,406 words) - 03:55, 1 May 2023
- has several uses, particularly in the form of the isotope 241Am. For instance ... == History == Americium was first isolated by Glenn T. Seaborg, Leon ...9 KB (1,328 words) - 06:50, 25 July 2023
- with yttrium. It is the heaviest and hardest of the rare earth elements. ... other elements. Consequently, it is also one of the most expensive metals, ...11 KB (1,371 words) - 03:06, 5 November 2022
- == History == pure form until after the development of ion exchange and metallographic ...10 KB (1,193 words) - 17:27, 12 February 2024
- neutrons and was discovered in the debris of the first hydrogen bomb test ... == History == Einsteinium was named after Albert Einstein. It was first ...7 KB (940 words) - 00:06, 13 February 2024
- of the actinide series, mendelevium is synthesized by bombarding einsteinium ... == History == Mendelevium was named after Dmitri Mendeleev (surname ...6 KB (778 words) - 04:30, 9 November 2022
- It is of interest mainly for research purposes, and no practical applications ... Sikkeland in April 1958 at the University of California, Berkeley. The team ...7 KB (962 words) - 02:34, 16 November 2022
- Berkeley, California and the University of California, Berkeley. Berkelium ... and Kenneth Street, Jr., at the University of California, Berkeley in December ...7 KB (911 words) - 11:01, 28 September 2023
- In chemistry, isomers are molecules that share the same chemical formula ... == History == Isomerism was first noticed in 1827, when Friedrich Woehler ...14 KB (2,096 words) - 05:56, 11 March 2024
- 13, 1896) was a German organic chemist. One of the most prominent organic ... * Von Meyer, Ernst. 1906. A History of Chemistry, tr. George McGowan ...9 KB (1,392 words) - 18:28, 21 August 2023
- It is based on the explosive potential of nitroglycerin, with diatomaceous ... to promote peace and science for the benefit of mankind. ...6 KB (937 words) - 01:17, 16 January 2023
- A chemical element, often called simply element, is the class of atoms ... periodic table itself shows two main types of elements, metals and non-metals ...10 KB (1,624 words) - 14:39, 5 December 2023
- A bleach is a chemical that can remove or lighten the color of an ... is often a preliminary step in the process of dyeing. == History == ...7 KB (964 words) - 18:12, 31 October 2023
- of the actinide series, it is made by bombarding plutonium with neutrons ... == History == Fermium was named after nuclear physicist Enrico Fermi ...7 KB (998 words) - 17:26, 26 March 2024
- certain steels. Natural ytterbium is a mix of seven stable isotopes. ... have simplified separation. Known compounds of ytterbium are rare—they haven ...11 KB (1,375 words) - 21:33, 4 June 2023
- is a bright silvery metal that is a member of the lanthanide series of chemical ... monazite, bastnasite and samarskite. Of these, monazite (in which it ...11 KB (1,437 words) - 02:07, 23 December 2022
- is C10H16O. It is found in the bark and wood of the camphor laurel tree and ... == Etymology and history == The word camphor derives from the French ...11 KB (1,519 words) - 18:58, 25 November 2023
- The periodic table of the chemical elements is a tabular display of ... == History == :Main article: History of the periodic table ...13 KB (1,942 words) - 00:40, 24 November 2022
- nature, it is found in the stings and bites of many insects of the order Hymenoptera ... == History and etymology == As early as the fifteenth century, some ...13 KB (1,811 words) - 06:35, 1 April 2024
- 61) is a metallic element that is a member of the lanthanide series of chemical ... Promethium can be formed as a product of uranium fission. Only trace ...11 KB (1,429 words) - 23:55, 1 December 2022
- century have greatly brought down the cost of production of all rare-earth ... == History == Erbium (for Ytterby, a town in Sweden) was discovered ...11 KB (1,419 words) - 19:19, 13 February 2024
- A complex in chemistry usually is used to describe molecules or ensembles ... understood in any sense, since the beginning of chemistry. Examples include ...21 KB (3,125 words) - 00:21, 8 January 2024
- smell. It is the most common member of a class of chemical compounds ... , although there is no contemporary evidence of this. It was first synthesized ...13 KB (1,801 words) - 14:33, 29 January 2024
- chemist who contributed to the development of spectroscopy as a powerful ... * Von Meyer, Ernst. 1906. A History of Chemistry, tr. George McGowan ...8 KB (1,189 words) - 20:25, 11 August 2022
- a silvery metallic element that is a member of the lanthanide series of chemical ... It constitutes about 38 parts per million (ppm) of the Earth’s crust. ...12 KB (1,578 words) - 16:18, 11 November 2022
- Protactinium (chemical symbol Pa, atomic number 91) is a member of ... The isotope protactinium-231 occurs in pitchblende to the extent of ...9 KB (1,150 words) - 08:16, 2 December 2022
- :For other meanings of the abbreviation Pr, see PR. number=59 | symbol ... silvery metallic element that is a member of the lanthanide series of chemical ...12 KB (1,535 words) - 22:14, 30 November 2022
- with other rare earth elements, it is one of the most reactive of the rare ... Lanthanum, its alloys, and its compounds have a wide range of applications ...11 KB (1,398 words) - 22:23, 22 October 2022
- and zirconium have nearly identical chemistry, which makes the two difficult ... == History == Hafnium (Latin Hafnia for "Copenhagen," the ...10 KB (1,277 words) - 16:40, 21 January 2024
- concentrations above 5.6 percent. A solution of hydrogen cyanide in water is ... used by the Nazi regime for the mass murder of Jews in the gas chambers of ...12 KB (1,685 words) - 13:19, 4 February 2023
- In thermodynamics and molecular chemistry, the enthalpy or heat content ... The term enthalpy was composed of the prefix en-, meaning to "put ...18 KB (2,941 words) - 18:57, 13 February 2024
- silvery white metallic element and a member of the lanthanide series of chemical ... and solvent extraction, or by the reduction of its anhydrous fluoride with ...13 KB (1,750 words) - 07:39, 15 April 2024
- This chemical is used mostly as an intermediate in the production ... A minor but significant use of ethylene oxide is for the sterilization ...12 KB (1,739 words) - 04:37, 22 March 2024
- The term acid rain is commonly used to mean the deposition of acidic ... Rain acquires additional acidity through the reaction of air pollutants ...13 KB (1,971 words) - 07:41, 14 June 2023
- quot; element used in the production of the first high-temperature ... were found to have a relatively high content of yttrium. ...12 KB (1,634 words) - 21:34, 4 June 2023
- explosive and is used in the manufacture of dynamite, which in turn is ... == History == Nitroglycerin was discovered by chemist Ascanio Sobrero ...11 KB (1,527 words) - 02:27, 16 November 2022
- a silvery metallic element that is a member of the lanthanide series of chemical ... Cerium, its alloys, and its compounds are valuable for a variety of ...15 KB (2,039 words) - 23:59, 3 December 2023
- minerals) and have a relatively low content of silica. The Earth's mantle ... Ultramafic rocks are generally composed of more than 90 percent mafic ...7 KB (892 words) - 01:30, 3 May 2023
- The atomic mass (ma) is the mass of a single atom, when the atom is ... In the history of chemistry, the first scientists to determine atomic ...13 KB (2,025 words) - 06:26, 21 August 2023
- 2, 1927) was a Swedish chemist and one of the founders of the science ... district near Uppsala, Sweden, the son of Svante Gustav and Carolina ...15 KB (2,260 words) - 00:32, 27 February 2023
- thought and work extended across physical chemistry, economics, and philosophy ... made significant contributions in the area of physical chemistry. Based on ...17 KB (2,500 words) - 10:38, 10 March 2023
- armaments manufacturer, and the inventor of dynamite. He owned Bofors, ... * Von Meyer, E. 1906. A History of Chemistry. London: MacMillan and Co. ...8 KB (1,208 words) - 18:04, 20 July 2023
- by isolating and identifying a host of new chemical elements, and ... * Von Meyer, E. 1906. A History of Chemistry. London: MacMillan and Co. ...12 KB (1,863 words) - 20:56, 9 February 2024
- specifically an aryl amine, consisting of a phenyl group attached to ... First, benzene is heated with a concentrated mixture of nitric acid ...13 KB (1,817 words) - 06:09, 28 July 2023
- best known as the primary ingredient of mothballs. Naphthalene is ... Trace amounts of naphthalene are produced by magnolias and certain ...13 KB (1,879 words) - 01:21, 11 November 2022
- the most universally recognized example of chirality: The left hand is ... In the context of chemistry, chirality usually refers to molecules ...24 KB (3,570 words) - 17:06, 10 December 2023
- of the actinide series. It is produced synthetically by bombarding ... Two isotopes of curium (curium-242 and curium-244) can be produced ...10 KB (1,354 words) - 06:46, 12 January 2024
- when released into air, due to refraction of light. At low concentrations ... (1790-1868) in 1812, by exposing a mixture of carbon monoxide and chlorine ...10 KB (1,416 words) - 22:44, 28 March 2023
- rare metal. Obtained as a byproduct of molybdenum refinement, it is ... This mineral, however, is not an economically viable source of the element. ...10 KB (1,384 words) - 20:01, 8 December 2022
- Centrifugation is a process that involves the use of the centrifugal ... acceleration is used to separate substances of greater and lesser density ...7 KB (963 words) - 23:56, 3 December 2023
- are regularly observed in the spectra of supernovae. == History == Californium was first synthesized by University of California ...11 KB (1,466 words) - 18:27, 25 November 2023
- mercury-vapor lamps. A radioactive isotope of scandium [Sc-46] is used as ... the only known concentrated sources of this element. It is also found ...12 KB (1,615 words) - 17:06, 25 January 2023
- proton = first) is a subatomic particle with an electric charge of ... Protons are spin-1/2 fermions and are composed of three quarks, making ...10 KB (1,600 words) - 08:20, 2 December 2022
- gray metal. It was discovered in a variety of columbite (now called niobite ... often also contain tantalum. Large deposits of niobium have been found associated ...14 KB (1,909 words) - 04:59, 15 November 2022
- is a soft, silvery-white metallic element of the alkali metal group. Rb ... and zinnwaldite, which contains traces of up to one percent of its oxide ...14 KB (1,892 words) - 20:57, 21 December 2022
- for extracting alkaloids (such as morphine) of pharmaceutical importance from ... == History == Chloroform was first prepared in July 1831, by the American ...14 KB (1,907 words) - 17:08, 10 December 2023
- is a silvery white, soft metal. It has one of the highest melting points ... free in nature. The main commercial source of molybdenum is the mineral molybdenite ...14 KB (1,925 words) - 19:51, 9 November 2022
- quot;) is the collective term for a family of laboratory techniques for the ... The main use of chromatography is to purify a certain material from ...17 KB (2,480 words) - 21:51, 10 December 2023
- is a rare, hard, white metal. It is a member of the platinum group of elements ... platinum group metals in the Ural Mountains of western Russia and in parts ...13 KB (1,814 words) - 18:24, 22 December 2022
- silvery-white, inert metal. It is a member of the platinum group of elements ... it is a symbol of wealth and is occasionally used in the presentation ...13 KB (1,685 words) - 20:04, 8 December 2022
- A covalent bond is a type of chemical bond characterized by the sharing ... The electron pair interacts with the nuclei of both atoms, and this ...15 KB (2,401 words) - 06:13, 11 January 2024
- properties are intermediate between those of metals and nonmetals. It is ... The development of the germanium transistor opened the door to numerous ...13 KB (1,672 words) - 09:43, 5 December 2022
- for metalworking, and for the production of superalloys for jet engine ... Egypt, Canada, the Democratic Republic of the Congo, Mozambique, Nigeria ...14 KB (1,813 words) - 03:03, 19 April 2023
- descendants, the Du Pont family, were one of America's richest and ... During its nearly 200 year history, Irénée du Pont's business ...10 KB (1,478 words) - 21:44, 29 December 2021
- slightly radioactive metal and is a member of the actinide series. It can ... as lead. Soil commonly contains an average of around 12 parts per million ...14 KB (1,909 words) - 23:00, 30 April 2023
- scale from natural gas and as a by-product of petroleum refining. The chief use of ethane is as a petrochemical feedstock for ethylene ...16 KB (2,309 words) - 01:40, 19 March 2022
- It is being used to inhibit the formation of natural gas clathrates in long ... == History == Ethylene glycol was first prepared in 1859 by the French ...16 KB (2,258 words) - 04:37, 22 March 2024
- alloyed with beryllium, it can be a source of neutrons. In addition, the ... abundance is approximately 0.2 percent that of radium. It has also been identified ...11 KB (1,554 words) - 08:39, 24 November 2022
- This metal is an important component of many alloys, including bronze ... with an abundance in the Earth's crust of about two parts per million ...16 KB (2,335 words) - 23:38, 30 April 2023
- and tasteless gas. It is the product of the incomplete combustion of ... technology, being a precursor to a myriad of useful—even life-saving—products ...20 KB (2,871 words) - 19:08, 26 November 2023
- who made important contributions to chemistry and physics and established ... At the same time, Boyle was convinced of the existence of God and ...20 KB (3,111 words) - 21:10, 16 April 2023
- is commonly regarded as the fundamental unit of counting and measurement. For ... known as the "identity element" of multiplication (or multiplicative ...16 KB (2,188 words) - 06:29, 13 June 2023
- extreme care. It has been used in a number of murders, earning the nickname ... for low-temperature measurements. Crystals of thallium bromide-iodide have ...13 KB (1,784 words) - 15:06, 30 April 2023
- and the first member of this group to be produced synthetically. Its ... Trace amounts of neptunium are found naturally as decay products from ...11 KB (1,451 words) - 16:21, 11 November 2022
- Its chemical properties are similar to those of zinc, and it is found in zinc ... plastics stabilizers, and many kinds of solder. In nuclear reactors ...16 KB (2,248 words) - 10:14, 25 November 2023
- noted for his contributions to physical chemistry and statistical mechanics ... Josiah Willard Gibbs was the only son and the fourth of five children ...19 KB (2,808 words) - 20:00, 7 September 2022
- Fiberglass or glass fiber is material made from extremely fine fibers ... Glass fiber is formed when thin strands of silica-based or other formulation ...14 KB (2,135 words) - 17:33, 26 March 2024
- Under normal conditions of room temperature and pressure, it is a ... J. R. Partington, A Short History of Chemistry, 3rd ed. (New York: ...20 KB (2,927 words) - 02:28, 16 November 2022
- Saccharin is a synthetic organic compound that tastes hundreds of ... and so forth, which stimulate the sense of taste. However, sweet things ...13 KB (1,943 words) - 00:18, 22 August 2022
- Michael Faraday was one of the pioneers of modern electromagnetic ... It can also be argued that his discoveries resulted in some of the ...17 KB (2,503 words) - 16:54, 9 November 2022
- 28, 1968) was a German chemist and a pioneer of radioactivity and radiochemistry ... 1879, in Frankfurt am Main, the youngest son of the glazier and entrepreneur ...24 KB (3,736 words) - 10:52, 11 March 2023
- In the physical sciences, the weight of an object is a measurement ... Recognition of the difference between weight and mass is a relatively ...10 KB (1,621 words) - 23:26, 3 May 2023
- Silicon (chemical element symbol Si, atomic number 14) is a member ... essential element. Although only tiny traces of it appear to be required by ...20 KB (2,980 words) - 22:04, 29 January 2023
- Mme. Curie was a pioneer in the field of radioactivity. Together with ... the battlefront, where she worked on the use of mobile radiography units to ...18 KB (2,796 words) - 04:14, 6 November 2022
- Coenzyme is any of a diverse group of small organic, non-protein, ... or haem groups. The International Union of Pure and Applied Chemistry ...22 KB (2,903 words) - 07:19, 6 June 2023
- period to whom is ascribed authorship of a large number of alchemical ... are from the tenth century. The first, Notes of Abu Suaiman al-Mantiqi al-Sijistani ...16 KB (2,525 words) - 08:37, 13 March 2024
- Materials science is an interdisciplinary field involving the study ... Materials used in early human history included metals, glasses, and ...17 KB (2,292 words) - 16:49, 7 November 2022
- Ernest Rutherford, 1st Baron Rutherford of Nelson OM PC FRS (August ... Ernest Rutherford was the son of James Rutherford, a farmer who had ...17 KB (2,514 words) - 19:33, 13 February 2024
- compounds and is miscible in a wide range of organic solvents as well as ... DMSO is a by-product of wood pulping. It was first synthesized in ...12 KB (1,770 words) - 16:50, 22 July 2020
- Its main use, however, is in the production of other chemicals. About 40 percent ... Methanol is produced naturally in the anaerobic metabolism of many ...20 KB (2,894 words) - 16:26, 9 November 2022
- current. Most electrolytes consist of ions in solution, and they ... All higher life forms require a complex balance of electrolytes inside ...13 KB (1,858 words) - 08:06, 29 December 2021
- electromagnetic phenomena. His observation of lines in the solar spectrum ... * Thomson, Thomas. 1830. The History of Chemistry. London: Henry Colburn ...12 KB (1,816 words) - 11:01, 9 May 2023
- – Xenon] Thermophysical properties of neon, argon, krypton, and xenon ... This element can be extracted by fractional distillation of liquid ...13 KB (1,905 words) - 14:16, 20 May 2023
- name=Albert Ludwigs University of Freiburg| native_name=Albert-Ludwigs ... Albert Ludwigs University of Freiburg (German Albert-Ludwigs-Universität ...21 KB (2,957 words) - 05:02, 17 June 2023
- As an educator, he promoted the teaching of history, science, and the arts ... the Inauguration of the Center for History of Chemistry. Philadelphia: Center ...19 KB (2,782 words) - 00:48, 11 August 2022
- important contributions are the founding of Moscow State University, the ... Lomonosov was born in the village of Denisovka (the name of which ...9 KB (1,383 words) - 17:53, 9 November 2022
- the nuclear industry to form the outer layer of fuel rods in nuclear reactors ... a free metal. The principal economic source of zirconium is the mineral zircon ...16 KB (2,114 words) - 06:08, 13 June 2023
- 25, 1999) won the 1951 Nobel Prize in Chemistry for "discoveries in ... , contributed to the discovery and isolation of ten elements, developed ...29 KB (4,299 words) - 07:54, 24 January 2023
- stress. Epinephrine stimulates a series of actions of the sympathetic ... Epinephrine is one of two main hormones excreted by the adrenal medulla ...13 KB (1,794 words) - 16:18, 15 February 2021
- Nitric acid (chemical formula HNO3) is one of the most important inorganic ... It is also used for the manufacture of explosives (such as nitroglycerine ...19 KB (2,942 words) - 02:25, 16 November 2022
- html Solar Wind Squeezes Some of Earth's Atmosphere into ... An ion is an atom, group of atoms, or subatomic particle with a net ...17 KB (2,619 words) - 11:09, 6 March 2024
- ) is a radioactive isotope of hydrogen. The nucleus of tritium (sometimes ... The properties of tritium make it useful for various applications ...18 KB (2,638 words) - 16:50, 5 November 2022
- The Nobel Prizes are prizes instituted by the will of Alfred Bernhard ... have been honored more than once, a total of 813 different individuals and ...34 KB (5,294 words) - 02:33, 16 November 2022
- or as sulfide and sulfate minerals. Many of the unpleasant odors of organic ... This element is essential for living organisms, particularly as part ...22 KB (3,269 words) - 21:43, 26 February 2023
- place, it requires a certain minimum amount of energy, called its activation ... if a given reaction can produce a variety of products, the catalyst may ...12 KB (1,789 words) - 17:49, 30 November 2023
- human body. It is used in the preparation of wear-resistant, high-strength ... Cobalt compounds are used in the production of inks, paints, and varnishes ...13 KB (1,769 words) - 22:14, 7 January 2024
- An alloy is the combination of metal with other chemical elements ... material are actually alloys. Alloys of gold are rated on a scale of ...17 KB (2,388 words) - 08:10, 23 July 2023
- smelling liquid. It is a natural constituent of crude oil but is usually synthesized ... Benzene has been the subject of studies by many famous scientists ...21 KB (3,162 words) - 10:44, 28 September 2023
- for its inherent and interesting mixture of colors. Although not mineralized ... == History and etymology == Amber was much valued as an ornamental ...17 KB (2,724 words) - 02:46, 24 July 2023
- distinguishing it from imaginary numbers. Ten is the base of the decimal ... between any integer and the total number of coprimes below it. ...13 KB (1,819 words) - 06:26, 13 June 2023
- found as an alloy in platinum ore. It is one of the densest natural elements. ... The compound osmium tetroxide is very toxic but has a number of important ...14 KB (1,905 words) - 04:43, 18 November 2022
- 9, 1952) was a chemist, statesman, President of the World Zionist Organization ... #039;s dream was realized for this champion of his people's right to ...21 KB (3,201 words) - 16:52, 21 January 2024
- His experiments countered the common view of spontaneous generation and ... Pasteur is regarded as one of the three main founders of bacteriology ...20 KB (3,100 words) - 22:52, 1 September 2023
- png|101px|Chemical structure of cytosine]] |- |} Cytosine is one of the five main nucleobases used in storing and transporting ...5 KB (742 words) - 07:29, 12 January 2024
- Argon (chemical symbol Ar, atomic number 18) is a member of the noble ... The inertness of argon is a very useful property for a number of applications ...11 KB (1,517 words) - 06:25, 12 August 2023
- In nature, it occurs mainly in the form of a black-brown oxide (MnO2) ... The greatest demand for manganese is for the production of iron and ...14 KB (1,946 words) - 11:03, 9 March 2023
- Petrology is a field of geology that focuses on the study of rocks ... and chemical analyses to describe the structure and composition of ...5 KB (724 words) - 02:53, 24 November 2022
- sexual reproduction requires the mating of two organisms, male and female ... ==Evolution of the glyph== [[Image:Evolution2glyph.png|thumb|400px|left]] ...19 KB (2,775 words) - 06:42, 13 June 2023
- nonmetal that belongs to the nitrogen group of chemical elements. Given its ... When purified artificially, several different allotropic forms of ...25 KB (3,622 words) - 22:45, 28 March 2023
- reasons, lead has been used during much of human history. Lead and its ... == History == Lead is widely distributed in the world and is easy to ...18 KB (2,664 words) - 18:43, 25 October 2022
- Crystallization is the (natural or artificial) process of formation ... are set up for the mass production of crystals, such as the production ...12 KB (1,748 words) - 06:32, 11 January 2024
- faith for strength through the many trials of his somewhat eccentric life. ... Ampère was born near Lyon, France, the son of Jeanne-Antoinette Desutieres ...10 KB (1,522 words) - 17:59, 27 July 2023
- Michelson, to determine whether the speed of light was affected by the Earth ... Morley was born in Newark, New Jersey, the eldest son of Sardis Brewster ...11 KB (1,652 words) - 16:28, 9 August 2023
- Forensic science (often shortened to forensics) is the application ... Forensic scientists utilize principles and techniques from such fields ...14 KB (2,091 words) - 06:30, 1 April 2024
- played a decisive role in the development of big band jazz and Swing music. New Orleans jazz, with its spontaneous use of improvisation in a small band ...14 KB (2,137 words) - 17:38, 28 March 2024
- Copper (symbol Cu, atomic number 29) is one of the oldest known metals ... used in hospitals to prevent the transfer of germs, and copper (II) sulfate ...21 KB (3,086 words) - 17:35, 21 May 2020
- its monetary value is rated well above that of gold. It is used in jewelry ... == History == Naturally occurring platinum appears to have been used ...14 KB (2,002 words) - 08:01, 24 November 2022
- A detergent is a chemical compound or mixture of compounds used as ... Although detergents are very useful, the excessive use of certain ...26 KB (3,968 words) - 21:42, 30 January 2023
- Deuterium (chemical symbol D or ²H) is a stable isotope of hydrogen ... Scientists have developed a variety of applications for deuterium ...31 KB (4,687 words) - 10:07, 29 January 2024
- combined in several minerals and is one of the 26 elements that commonly ... == History == Vanadium was originally discovered by Andrés Manuel ...15 KB (2,022 words) - 14:18, 3 May 2023
- 200 books and articles in various fields of science. He was well versed ... Razi's portrait adorns the great hall of the Faculty of Medicine in ...24 KB (3,833 words) - 01:39, 8 December 2022
- Measurement is the estimation of the magnitude of some attribute of ... Metrology is the scientific study of measurement. In measurement theory ...18 KB (2,732 words) - 14:42, 5 December 2023
- object that behaves as a whole unit in terms of its transport and properties ... shell nanoparticles). Nanoparticles made of semiconducting material may ...18 KB (2,579 words) - 01:19, 11 November 2022
- its sour taste and pungent smell. It is one of the simplest carboxylic acids ... chemical useful for the production of various synthetic fibers and ...35 KB (5,135 words) - 07:33, 14 June 2023
- properties are intermediate between those of metals and nonmetals. It can ... antiseptics, adhesives, and a variety of other products. The isotope ...16 KB (2,239 words) - 19:45, 20 November 2023
- #039;s body, such as the chitinous covering of a crab, the silica shells ... to such vertebrate structures as the shell of turtles and the hard covering ...22 KB (3,138 words) - 06:10, 13 September 2023
- all concentrations. It was once known as oil of vitriol, a term coined by the ... million tonnes, with an approximate value of $8 billion. Principal uses ...31 KB (4,778 words) - 21:53, 26 February 2023
- Historical Chemical Landmark in recognition of its significance as the world ... Given the cost, complexity of production, and brittle nature of Bakelite ...6 KB (839 words) - 05:49, 26 August 2023
- is widely regarded as the premier chemist of the twentieth century. He pioneered ... Nobel prizes are Marie Curie (physics and chemistry), John Bardeen (both in ...44 KB (6,490 words) - 04:18, 29 October 2022
- with nitric acid. An improved version of this process used hydrochloric ... today almost exclusively by the autoxidation of 2-ethyl-9,10-dihydroxyanthracene ...32 KB (4,734 words) - 13:20, 4 February 2023
- The magma may be derived from partial melts of pre-existing rocks in the Earth ... Igneous rocks make up approximately 95 percent of the upper part of ...25 KB (3,680 words) - 13:42, 4 February 2023
- Electroplating involves the coating of an electrically conductive ... The part to be plated is the cathode of the circuit, while anode is ...13 KB (1,984 words) - 17:16, 29 December 2021
- Distillation is a method of separating chemical substances based on ... Distillation is used for a variety of purposes. Water is distilled ...29 KB (4,405 words) - 15:30, 29 January 2024
- and help attach them together. The state of attachment is known as adhesion ... Various types of adhesives are now available, derived from natural ...13 KB (1,970 words) - 05:51, 15 June 2023
- most stable isotope, Ra-226, has a half-life of 1,602 years and decays into ... The applications of radium are mainly based on its radioactivity. ...13 KB (1,820 words) - 22:47, 7 December 2022
- French physicist, philosopher and historian of science. His most influential ... At the young age of eleven, Duhem entered the Collège Stanislas. ...15 KB (2,236 words) - 05:22, 24 November 2022
- Astrophysics is the branch of astronomy that deals with the physics ... They have also observed the birth and death of stars, cosmic rays, the cosmic ...14 KB (1,947 words) - 18:28, 19 August 2023
- in an electrical form. Batteries consist of electrochemical devices such ... With technological progress, various types of batteries have been ...31 KB (4,897 words) - 11:28, 20 September 2023
- chemist, Holocaust survivor and author of memoirs, short stories, poems ... He is also the author of The Periodic Table which contains 21 reflections ...16 KB (2,482 words) - 00:36, 12 April 2023
- Pyrotechnics is generally considered the technology of manufacturing ... The controlled action of a pyrotechnic device (initiated by any of ...6 KB (877 words) - 03:53, 7 December 2022
- It comes in many allotropic forms, of which the yellow, black, and ... used surreptitiously, arsenic was used in history by murderers, including ...21 KB (2,920 words) - 04:00, 15 August 2023
- Ethylene acts as a hormone in plants, regulating the ripening of fruit ... It can undergo many types of chemical reactions to generate a wide ...26 KB (3,781 words) - 04:36, 22 March 2024
- chemical element that belongs to the group of metalloids—its chemical properties ... with care. Exposure to even small amounts of tellurium can generate a garlicky ...14 KB (1,880 words) - 05:35, 27 February 2023
- If a sample of material decays at a certain rate over time, its half ... In the case of radioactive decay, each different radioactive isotope ...8 KB (1,160 words) - 16:04, 3 August 2023
- and the Holy Land, he observed the methods of physicians, chemists, and spiritual ... Paracelsus’ aggressive manner of teaching and his outspoken criticism ...18 KB (2,761 words) - 07:39, 18 November 2022
- logician and Franciscan friar William of Ockham. Originally a tent ... The origins of what has come to be known as Ockham's razor are ...19 KB (2,872 words) - 23:50, 17 November 2022
- to blue. It belongs to the same family of chemical elements as arsenic ... This element expands on freezing and was long an important component ...14 KB (1,891 words) - 17:59, 31 October 2023
- alkali strontium hydroxide. The properties of strontium are closest to those ... is widely used in the glass screens of color television sets. Strontium ...14 KB (1,860 words) - 21:04, 26 February 2023
- most recognizable structure on the campus of Kyoto University]] It is the second oldest university and one of the leading research universities ...16 KB (2,170 words) - 04:41, 4 March 2023
- temperature and melts in the hand. It is one of only a few materials that expands ... Gallium is most commonly used in the form of the compound gallium ...15 KB (2,122 words) - 04:06, 18 April 2024
- Gas is one of the four major states or phases of matter, along with ... Gas exists in the middle of a heating continuum in which heating the ...20 KB (3,107 words) - 04:37, 18 April 2024
- Ammonia is a chemical compound of nitrogen and hydrogen, with the ... several important roles, serving as a source of nitrogen for plants and helping ...39 KB (5,803 words) - 07:35, 25 July 2023
- Apatite is the name given to a group of phosphate minerals, usually ... and sedimentary rocks, often in the form of cryptocrystalline fragments ...15 KB (2,114 words) - 05:59, 11 August 2023
- Chemical engineering is the branch of engineering that applies scientific ... Chemical engineering is applicable to a wide range of technologies ...15 KB (2,143 words) - 14:40, 5 December 2023
- metal that is found in ores in many parts of the world. It is an essential ... sunburn and diaper rash. The chloride of zinc is a deodorant, and the ...18 KB (2,716 words) - 06:07, 13 June 2023
- Black powder is the original gunpowder; it was one of the few known ... is that when fired it produces a cloud of smoke. This smoke obscures ...14 KB (2,154 words) - 14:28, 8 February 2022
- Greenhouse gases (GHGs) is the name given to a number of gases present ... vapor which creates clouds. The vast bulk of this is produced by the natural ...34 KB (4,898 words) - 17:16, 16 February 2023
- It may be classified as a mineral consisting of hydrogen oxide (H2O). forms (phases) and several amorphous forms of ice. The most abundant type ...24 KB (3,832 words) - 17:09, 10 February 2024
- in the Earth's atmosphere. It consists of simple molecules, each of which ... It is a major component of the carbon cycle. In general, it is exhaled ...34 KB (5,140 words) - 19:07, 26 November 2023
- There also are some other plants that utilize the term ginger as part ... Ginger is one of the world's more well-known and useful plants ...24 KB (3,593 words) - 22:30, 1 January 2023
- In biology, transcription is the cellular process of synthesizing ... In transcription, molecules of RNA are synthesized based on the information ...18 KB (2,706 words) - 17:57, 4 November 2022
- There are two main classes of objects: non-living objects that are ... This class of matter includes individuals with the capability of reproducing ...36 KB (5,345 words) - 01:14, 18 November 2022
- a French thinker known as the "father of sociology." He developed ... in his later work, he embraced the concept of love as bringing the solution ...22 KB (3,359 words) - 19:00, 21 August 2023
- fell on the southern Indian state of Kerala. Heavy downpours occurred ... but a study commissioned by the Government of India found that the rains ...21 KB (3,061 words) - 19:10, 16 April 2023
- A pigment is a material that changes the color of light it reflects ... colored because they absorb some wavelengths of light preferentially. Yet, ...29 KB (4,213 words) - 06:14, 24 November 2022
- Salt is a mineral, composed primarily of sodium chloride, which is ... Sodium and chlorine, the two components of salt, are necessary for ...36 KB (5,357 words) - 01:13, 21 April 2023
- plating. The human body needs trace amounts of trivalent chromium (chromium ... used in paints and pigments. The red color of rubies derives from the presence ...15 KB (2,106 words) - 21:52, 10 December 2023
- Examples in which white pigment, consisting of titanium oxide, is used, are ... forms and five naturally occurring isotopes of this element—46Ti through ...27 KB (3,874 words) - 03:49, 1 May 2023
- used in nuclear medicine for a wide variety of diagnostic tests. 99Tc is used ... Before the element was discovered, many of the properties of element ...43 KB (6,283 words) - 22:03, 13 January 2024
- digit number in the decimal system. A group of nine is called an ennead. == Evolution of the glyph == According to Georges Ifrah, ...22 KB (2,900 words) - 06:48, 13 June 2023
- It was these beliefs that led to her support of the system of kindergartens. ... Beecher was born in East Hampton, New York, the oldest of 13 children ...8 KB (1,133 words) - 00:09, 1 December 2023
- Nuclear physics is a field of physics that involves investigation ... are the most commonly known applications of nuclear physics, but the research ...18 KB (2,740 words) - 00:29, 17 November 2022
- leaves with five leaflets, clusters of small flowers, and red to brown ... The high concentration of caffeine in the seeds, which is more concentrated ...15 KB (2,227 words) - 22:26, 2 December 2021
- the salt most responsible for the salinity of the ocean and of the extracellular ... dependence on the seasonal availability of food and allowed travel over ...16 KB (2,377 words) - 15:04, 27 April 2023
- He was influential in the development of modern systematic zoology, ... is given annually by the National Academy of Sciences for an original contribution ...9 KB (1,298 words) - 09:40, 15 May 2021
- ==Evolution of the glyph== like an uppercase H with the bottom half of the left line and the upper ...21 KB (2,909 words) - 06:48, 13 June 2023
- been valued as a noble metal and a symbol of purity, durability, and royalty ... them major gold-producing areas. The tombs of the Egyptian pharaohs were ...28 KB (4,345 words) - 08:13, 24 January 2023
- samples. 7Li would thereforehave a content of up to 96.25%. ... lightest solid chemical element and a member of the group of elements known ...16 KB (2,302 words) - 04:29, 29 October 2022
- The term also is used simply as the name of the spice, and often in the ... Cloves are one of the world's most important, popular, and useful ...16 KB (2,422 words) - 07:33, 14 January 2023
- thrust. The most common propellants consist of a fuel and an oxidizer that ... The development of extremely powerful rocket propellants has enabled ...24 KB (3,649 words) - 02:28, 16 December 2022
- is often credited with being the inventor of photography, and is recognized ... there is little doubt that the impetus he gave to the development ...9 KB (1,389 words) - 02:53, 4 November 2022
- Genes, the units of heredity in living organisms, are encoded in an ... Common usage of the word "gene" reflects its meaning in ...26 KB (4,036 words) - 10:59, 3 August 2021
- that is equipped to conduct observations of terrestrial events or celestial ... emissions, gamma ray bursts, and expansion of the universe. Volcano observatories ...10 KB (1,374 words) - 19:55, 17 November 2022
- Birefringence, or double refraction, is the splitting of a ray of ... == Examples of birefringent materials == Birefringence was first described ...9 KB (1,136 words) - 17:57, 31 October 2023
- or alkyl halides) are a group of chemical compounds, consisting ... Freon is a trade name for a group of chlorofluorocarbons used primarily ...35 KB (5,199 words) - 23:36, 3 August 2023
- It burns rapidly and produces a large amount of gas, which produces a pressure ... explosives—dynamite, TNT, etc.—because of its lower burning speed, which ...24 KB (3,604 words) - 17:15, 12 July 2023
- ore is bauxite. Whether measured in terms of quantity or value, the global ... industry and very important in other areas of transportation and building ...38 KB (5,676 words) - 08:41, 23 July 2023
- that identifies the chemical composition of a compound or sample based ... The design of a mass spectrometer has three essential modules: an ...44 KB (6,414 words) - 16:19, 7 November 2022
- #039;s crust, constituting about 2 percent of the crust by weight. It is ... In its ionic form, magnesium is one of the most essential elements ...17 KB (2,430 words) - 10:49, 9 March 2023
- at the top, called the mouth. It may be made of glass, clay, plastic, or other ... Bottles have been developed and used over millennia of human history ...10 KB (1,456 words) - 14:41, 28 April 2020
- Electrochemistry is a branch of chemistry involving the study of interrelationships ... or to measure glucose levels in the blood of diabetics. In nature, the generation ...56 KB (8,590 words) - 15:53, 13 February 2024
- suspension (known as latex) in the sap of several varieties of plants ... Unfortunately, the history of rubber has a dark side as well. About ...28 KB (4,420 words) - 20:57, 21 December 2022
- field. Electric current over time is a form of energy (electricity) that may ... The electron is one of a class of subatomic particles called leptons ...10 KB (1,515 words) - 15:57, 13 February 2024
- Natural deposits of mercury-bearing minerals, usually in the form ... Mercury and most of its compounds are highly toxic and need to be ...41 KB (5,903 words) - 16:12, 9 November 2022
- or nuclear fusion. An important property of a useful fuel is that its energy ... depend on and use fuels as their sources of energy. Their cells engage ...10 KB (1,556 words) - 00:50, 18 October 2022
- known as soda, pop, or soda pop, in parts of the United States, Canada, ... syrup, the drinks supply an over-abundance of calories. Moreover, the drinks ...25 KB (3,852 words) - 15:05, 27 April 2023
- philosopher, theologian and historian of science. His surname is pronounced ... Whewell’s philosophy of science included the claim that through ...22 KB (3,347 words) - 20:45, 13 May 2023
- == Evolution of the glyph == Image:Evolution4glyph.png Indians would add a horizontal line on top of the numeral, and the Kshatrapa ...24 KB (3,319 words) - 06:45, 13 June 2023
- the molecular level, liquid ethanol consists of hydrogen-bonded pairs of ethanol ... Ethanol has a refractive index of 1.3614. Ethanol is a versatile solvent ...49 KB (7,279 words) - 04:30, 22 March 2024
- The mantle is a particular type of layer within an astronomical body ... Past episodes of melting and volcanism at the shallower levels of ...21 KB (3,036 words) - 02:57, 6 November 2022
- writings marked by a broad outlook, a wealth of ideas and artistic power". ... Canetti was the eldest of three sons.Dagmar C. G. Lorenz, [http://www ...17 KB (2,352 words) - 21:30, 5 September 2023
- psychologist who theorized the existence of fluid and crystallized intelligences ... One of the most important results of Cattell's application of ...19 KB (2,804 words) - 19:07, 16 April 2023
- , a German physicist who did most of his work in the Netherlands ... On the Fahrenheit scale, the freezing point of water is 32 degrees ...13 KB (1,850 words) - 00:27, 25 March 2024
- meaning "power") is a branch of physics that studies the effects ... J.R. Partington, A Short History of Chemistry (New York: Dover, 1989 ...25 KB (3,670 words) - 18:29, 30 April 2023
- and Northern Zhou (北周) Dynasties of northern China, and their successor ... also with literature, the arts, and problems of life and death. Yan stressed ...11 KB (1,717 words) - 10:09, 22 May 2023
- Polychlorinated biphenyls (PCBs) are a class of organic compounds ... Most of the 209 different PCB congeners are colorless, odorless crystals ...24 KB (3,627 words) - 08:41, 24 November 2022
- In mathematics, the logarithm (or log) of a number x in base b is ... In general terms, if x = b'n, then the logarithm of x in base ...27 KB (4,283 words) - 20:58, 3 November 2022
- Natural theology is a branch of theology, which attempts to establish ... The existence of God and the immortality of the soul are but a few ...12 KB (1,729 words) - 15:21, 11 November 2022
- Sediment is any particulate matter that is transported by the flow ... Sediments may be transported by the action of streams, rivers, glaciers ...10 KB (1,554 words) - 17:44, 25 January 2023
- As a number, zero means nothing—an absence of other values. It plays a central ... systems, 0 was identified before the idea of 'negative integers' ...30 KB (4,810 words) - 06:25, 13 June 2023
- and conversations, over an important circle of academics in Cambridge, Massachusetts ... After reading Darwin's Origin of Species (published in 1859) ...12 KB (1,761 words) - 00:45, 5 December 2023
- have been made with varying degrees of realism by engineers as well ... Several reasons have been given in support of space colonization. ...20 KB (3,078 words) - 19:03, 7 February 2023
- in intelligence testing and in the field of comparative psychology. Yerkes ... Pennsylvania. His early life was of a typical farm boy, spent in ...10 KB (1,520 words) - 02:18, 16 December 2022
- publishing the first official observations of the transit of Mercury in 1631. Like many intellectuals during the first half of the sixteenth century ...19 KB (2,823 words) - 05:22, 24 November 2022
- The name nylon is given to a family of synthetic polymers first produced ... In 1940, John W. Eckelberry of DuPont stated that the letters "nyl ...10 KB (1,452 words) - 10:12, 11 March 2023
- boron compound, a mineral, and a salt of boric acid. It is usually a ... Borax has a wide variety of uses. It is a component of many detergents ...10 KB (1,388 words) - 19:37, 20 November 2023
- The New York Public Library (NYPL) is one of the leading libraries ... The Public Library's main building is the crowning achievement ...12 KB (1,863 words) - 21:49, 14 November 2022
- known for first describing the phenomenon of classical conditioning, which ... father, Peter Dmitrievich Pavlov, was one of Ryazan's most respected ...11 KB (1,563 words) - 07:43, 12 March 2024
- Cement, in the most general sense of the word, is a binder, a substance ... The most important use of cement is the production of mortar and concrete ...23 KB (3,479 words) - 23:48, 3 December 2023
- science that is organized around the study of the nervous system. As such ... There are many sub-disciplines within the field of neuroscience, including ...32 KB (4,338 words) - 04:35, 11 March 2023
- A centrifuge is a piece of equipment, generally driven by a motor ... for separating materials in certain types of mixtures. If a liquid (or solution ...11 KB (1,529 words) - 23:56, 3 December 2023
- with a viscosity about 100,000 times that of water, but it can flow great ... Active lava flows result in enormous loss of property, but they are ...28 KB (4,314 words) - 17:53, 25 October 2022
- A gymnasium is a type of school providing secondary education and ... may specialize in more practical areas of study, such as technology, ...14 KB (2,013 words) - 07:46, 10 January 2024
- metallic chemical element that is part of the actinide series. It is ... uranium ores. These come about by a process of neutron capture by 238U nuclei ...37 KB (5,382 words) - 08:10, 24 November 2022
- the smallest possible indivisible particle of matter. Later, atoms were found ... Atoms are composed of three primary types of subatomic particles: ...13 KB (2,062 words) - 06:25, 21 August 2023
- essential in trace amounts for the function of certain enzymes in humans and ... This element and its compounds have a wide range of applications. ...23 KB (3,335 words) - 17:47, 25 January 2023
- require a mordant to improve the fastness of the dye on the fiber. Dyeing is the process of imparting color to a textile material in ...13 KB (2,067 words) - 17:25, 12 February 2024
- Nanotechnology is a field of applied science and technology covering ... Despite the apparent simplicity of this definition, nanotechnology ...39 KB (5,416 words) - 02:44, 11 March 2023
- chemical element in the actinide series of the periodic table. The heaviest ... 235 (0.72 percent), and a very small amount of uranium-234 (0.0058 percent ...48 KB (6,867 words) - 15:33, 16 January 2024
- interested in fields outside their own areas of expertise made up the magazine ... [[Image:SciAmer.gif|250px|thumb|right|Cover of Scientific American ...13 KB (1,844 words) - 17:24, 25 January 2023
- Canada. Founded in 1821, McGill is one of the oldest universities in ... degrees and diplomas in over 300 fields of study, including medicine. ...36 KB (4,859 words) - 09:30, 10 March 2023
- |name =University of Rome "La Sapienza" |native_name ... University of Rome La Sapienza (Italian Università degli Studi di ...13 KB (1,764 words) - 13:09, 3 May 2023
- whether in seed or ground forms, is a staple of many cuisines, with particular ... are allowed by the International Code of Botanical Nomenclature), this ...12 KB (1,736 words) - 19:46, 11 May 2020
- was an Austrian sociologist and philosopher of science and one of the founders ... 1919, after the war, the Marxist governments of Bavaria and Saxony employed ...12 KB (1,753 words) - 05:54, 18 November 2022
- Environmental engineering is the application of science and engineering ... incorporates elements from a wide range of disciplines, including chemistry ...12 KB (1,649 words) - 19:00, 13 February 2024
- and scientist who served as the chancellor of Germany from 2005 to 2021, ... in 1989 she earned a doctorate in quantum chemistry and worked as a research ...49 KB (6,775 words) - 18:05, 27 July 2023
- Electromagnetism is the physics of the electromagnetic field: A field ... " This phenomenon forms the basis of operation for electrical generators ...14 KB (1,902 words) - 15:57, 13 February 2024
- Electric charge is a fundamental, conserved property of some subatomic ... electric charge is zero) because the number of protons within its nucleus ...14 KB (2,244 words) - 00:13, 13 February 2024
- February 10, 1923) was a German physicist of the University of Würzburg ... for his discovery, Röntgen chose the path of humility. When others wished ...11 KB (1,777 words) - 10:38, 5 May 2023
- German loosely translated to "The wind of freedom blows") ... university located 37 miles southeast of San Francisco and 20 miles ...29 KB (4,059 words) - 19:49, 9 February 2023
- to enhance or protect the appearance or odor of the human body. They include ... cosmetics-labeling-requirements Summary of Cosmetics Labeling Requirements ...24 KB (3,549 words) - 18:25, 17 January 2023
- college in 1861, it was the first member of the Seven Sisters to become ... For Vassar graduates, both men and women, to advance the world of ...12 KB (1,685 words) - 14:40, 3 May 2023
- |colspan=2|[[Image:Quartz Crystal.jpg|270px|Photo of quartz crystal group]] ... | Ruby Quartz || Crimson glass-like crystal, absorbs vast amounts ...13 KB (1,871 words) - 15:39, 7 December 2022
- Substance, in philosophy, has to do with the question or problem of ... The origin of the term goes back to the ancient Greeks. The English ...12 KB (1,836 words) - 21:25, 26 February 2023
- Germany, is the world's largest museum of technology and science ... and about 28,000 exhibited objects from 50 fields of science and technology ...13 KB (1,935 words) - 10:09, 29 January 2024
- leaves. Fertilizers can be organic (composed of organic matter), or inorganic ... engage in nitrogen fixation (conversion of atmospheric nitrogen to a biologically ...33 KB (4,735 words) - 17:28, 26 March 2024
- Service learning is a method of teaching, learning, and reflecting ... ==History of Service Learning== Service learning can be traced back ...26 KB (3,814 words) - 19:49, 21 April 2023
- South Korea, has earned recognition as one of the leading universities in ... The university formally established in January, 1957 through the union ...28 KB (3,704 words) - 21:29, 4 June 2023
- nothing could be colder. The unit increment of the Kelvin scale is the kelvin ... It can be shown from the laws of thermodynamics that absolute zero ...15 KB (2,316 words) - 17:20, 5 October 2022
- and Kurt Koffka, in the development of Gestalt psychology. Wertheimer ... Köhler gained fame with The Mentality of Apes, in which he argued ...14 KB (2,050 words) - 23:20, 17 May 2023
- perennial plants comprising the genus Rheum of the Polygonaceae family, and ... A number of varieties of rhubarb have been domesticated both as medicinal ...14 KB (2,051 words) - 09:17, 10 August 2022
- SI Units are the most widely used system of units. They are the most ... The emergence of an internationally recognized system of units at ...15 KB (2,449 words) - 18:28, 22 December 2022
- |name = University of Bridgeport |image = [[File:University of Bridgeport Cortright Hall.jpg|250px]] ...30 KB (4,093 words) - 17:06, 15 September 2023
- and educationalist who advanced the study of psychology with his work on ... For 20 years Bain was professor of logic and English literature at ...14 KB (2,073 words) - 05:12, 17 June 2023
- Ecology or ecological science, is the scientific study of the distribution ... and biotic environment or as "the study of the structure and function ...38 KB (5,612 words) - 18:02, 12 February 2024
- 1891) was a French painter and the founder of Neo-Impressionism. His large ... Influenced by the scientist-writers of the nineteenth century, Seurat ...12 KB (1,923 words) - 22:59, 24 November 2022
- , translated as Sea of Salt), is a salt lake lying on the border between ... around the Mediterranean basin for thousands of years. It was a place of refuge ...24 KB (3,779 words) - 08:53, 28 January 2024
- crater)|Daedalus]], photographed by the crew of Apollo 11 as they circled the ... = astron + nomos, literally, "law of the stars") is the science ...16 KB (2,316 words) - 18:26, 19 August 2023
- who is best known for his photographs of the American Civil War and ... As Mathew Brady's leading photographer during the early days ...15 KB (2,177 words) - 09:08, 18 July 2023
- Charcoal is the blackish material consisting mainly of carbon obtained ... Historically, wood charcoal was used as a constituent of gunpowder ...15 KB (2,216 words) - 01:45, 4 December 2023
- At present there are 63 different species of plants known to contain ... Some less common sources of caffeine are cassine (Ilex vomitoria) ...31 KB (4,564 words) - 09:39, 22 April 2023
- Graphene is a one-atom-thick planar sheet of carbon atoms that are ... Based on its properties, researchers have proposed a number of potential ...43 KB (6,272 words) - 12:18, 24 January 2023
- 6, 1914—July 31, 2006) was a pioneer of library and information science ... and leadership, he is well remembered as one of the most important figures ...14 KB (2,025 words) - 23:13, 7 October 2022
- all the objects in the universe are composed of very small, invisible, indestructible ... Traditional atomism is used in two distinct domains: The atoms of ...37 KB (5,618 words) - 06:58, 21 August 2023
- water-soluble vitamin required for a number of metabolic processes in living ... Ascorbate, which is the ionized form of ascorbic acid, is a strong ...31 KB (4,437 words) - 20:15, 17 April 2023
- Mineralogy is an Earth science focused around the chemistry, crystal ... Early speculation, study, and theory of mineralogy was written of ...27 KB (3,827 words) - 18:48, 9 November 2022
- is a species of legume native to East Asia, widely grown for its edible ... Traditional unfermented food uses of soybeans include soy milk, from ...46 KB (6,635 words) - 22:34, 28 January 2024
- gas (LPG or LP-gas) and can be a mixture of propane with smaller amounts ... in gasoline by Dr. Walter O. Snelling of the U.S. Bureau of Mines in ...13 KB (1,941 words) - 00:08, 2 December 2022
- The Matenadaran or Mashtots Institute of Ancient Manuscripts in Yerevan ... Antioch, Alexandria, and other centers of learning to study the Greek ...39 KB (5,646 words) - 09:18, 10 March 2023
- |name = Columbia University inthe City of New York light shall we see the light) (a paraphrase of Psalm 35:10) ...35 KB (5,049 words) - 22:45, 7 January 2024
- and psychologist, a major philosopher of the “philosophy of life” ... the natures, conditions, and justifications of human knowledge particularly ...17 KB (2,371 words) - 19:48, 23 November 2022
- authors. Strindberg is known as one of the fathers of modern theater ... Born in Stockholm, Strindberg was the fourth son of Carl Oscar Strindberg ...13 KB (1,951 words) - 18:29, 21 August 2023
- Engineering is the discipline of applying technical and scientific ... engineer. Those licensed in specific areas of engineering may have formal ...41 KB (5,793 words) - 18:34, 13 February 2024
- sliding past one another. Varying the amount of alloying elements and their ... The maximum solubility of carbon in iron is 1.7 percent by weight ...29 KB (4,547 words) - 04:40, 28 April 2023
- Gosport) was a Scottish doctor and a pioneer of naval hygiene in the Royal ... Through his work, Lind influenced practices of preventive medicine ...13 KB (2,046 words) - 21:20, 20 March 2024
- prize in 1914. He resisted the policies of Nazi Germany during World War ... Koblenz, in what was then Prussia, the son of Julius von Laue, a military ...27 KB (3,968 words) - 01:05, 9 November 2022
- as shown in this ball from the Verrerie of Brehat in Brittany]] lenses and optical fibers, the multiple uses of glass have transformed our ...28 KB (4,417 words) - 07:52, 24 January 2023
- Salmon is the common name for several species of large food and game ... in freshwater lakes—probably as a legacy of the last period of glaciation—salmon ...27 KB (4,219 words) - 21:58, 17 April 2023
- Zhu Yuanzhang (1328-1398 C.E.), the founder of the Ming Dynasty (1368-1644 ... military treatise that outlined the use of Chinese military technology ...17 KB (2,391 words) - 20:43, 3 April 2024
- |name = University of Pennsylvania |image = [[Image:Collegegreen ... The University of Pennsylvania (also known as Penn) is a private, ...31 KB (4,374 words) - 13:08, 3 May 2023
- The Indian Institutes of Technology (IITs), constitute an elite group ... program with a successful implimentation of that plan to create one of ...40 KB (5,809 words) - 14:53, 16 October 2021
- Particle physics is a branch of physics that studies the elementary ... Our understanding of the nature of physical existence derives in large ...16 KB (2,386 words) - 08:56, 18 November 2022
- Amherst is a member of the Five Colleges consortium, which allows ... to prepare its students for a wide variety of careers, allowing them to develop ...16 KB (2,313 words) - 06:57, 25 July 2023
- that involves the design and manufacture of ceramic products. Ceramics ... prepared and are being used for a wide range of applications, including components ...14 KB (1,948 words) - 23:58, 3 December 2023
- significant research in the sociology of education which strongly impacted ... in 1949. He initially enrolled to study chemistry, but became interested ...15 KB (2,152 words) - 16:08, 8 February 2023
- Agriculture (a term which encompasses farming) is the process of producing ... Agriculture has been an important aspect of economics throughout the ...27 KB (3,893 words) - 06:48, 16 June 2023
- to mathematics and physics. One of the world's greatest mathematicians ... Lagrange was of French and Italian descent, and was baptized Giuseppe ...29 KB (4,634 words) - 07:15, 10 August 2022
- quot;metr[y] = to measure") is a branch of mathematics that deals with ... where it is essential in many branches of science and technology. It ...19 KB (2,702 words) - 16:52, 2 May 2023
- Nuclear fission is the splitting of the nucleus of an atom into parts ... for nuclear power and to drive the explosion of nuclear weapons. Both uses ...31 KB (4,827 words) - 10:09, 11 March 2023
- hydrocarbon fuels found within the top layer of the Earth’s crust. They range ... they were formed from the fossilized remains of dead plants and animals, during ...15 KB (2,136 words) - 06:36, 1 April 2024
- society was not based on market principles of exchange but rather on relationships ... Polanyi, chemist and philosopher. The son of a prominent member of a Hungarian ...16 KB (2,415 words) - 07:19, 5 October 2022
- Edwin Powell Hubble (November 20, 1889 – September 28, 1953) was ... Born the son of John P. Hubble, an insurance executive in Marshfield ...14 KB (2,031 words) - 23:56, 12 February 2024
- == Evolution of the glyph == J upside down. The main contribution of the western Ghubar Arabs was ...35 KB (5,128 words) - 06:47, 13 June 2023
- commonly to pass the entrance examinations of high schools or universities ... school and weekend programs for students of all ages, including even college ...15 KB (2,182 words) - 01:09, 7 April 2022
- Distance is a numerical description of the separation between objects ... are important for various fields of work, such as surveying, aircraft ...18 KB (2,703 words) - 15:29, 29 January 2024
- advances and attention to principles of composition and design were ... and played a singular role in the emergence of modernism in the visual arts ...14 KB (2,015 words) - 18:19, 20 July 2023
- #039;s education, particularly the invention of the kindergarten system for ... in Thuringia (now Germany), the fifth of six children. The village where ...15 KB (2,345 words) - 06:41, 15 April 2024
- called a hadron. An electron is an example of an elementary particle; protons ... Dozens of subatomic particles have been discovered. Most of them, ...20 KB (3,162 words) - 21:09, 26 February 2023
- luxurious textiles. Silk is mostly composed of the insoluble protein fibroin ... important silk is obtained from the cocoons of the the domesticated moth Bombyx ...35 KB (5,365 words) - 20:11, 21 April 2023
- Soil is the mixture of minerals, organic matter, liquids, and gases ... While the general concept of soil is well established, the definition ...27 KB (4,112 words) - 15:59, 14 October 2022
- #039;s law, represents the true beginning of electrical circuit analysis. Ohm offers a good example of the working of science through his experimental ...15 KB (2,285 words) - 06:57, 18 April 2024
- [[Image:minerals.jpg|right|frame|An assortment of minerals. Photo ... salts to complex silicates with thousands of known forms. They are identified ...16 KB (2,351 words) - 18:48, 9 November 2022
- The tourmaline mineral group is chemically one of the most complicated ... in cross-section. Interestingly, the style of termination at the ends of ...15 KB (2,235 words) - 04:46, 1 May 2023
- Press is governed by an elected board of directors chosen from the heads ... The Associated Press (AP) was formed in May 1846 by representatives ...15 KB (2,343 words) - 05:02, 18 August 2023
- Meiji Restoration, following the overthrow of the Tokugawa shogunate in 1868 ... Firmly believing in the importance of education and the acquisition ...17 KB (2,582 words) - 07:16, 15 April 2024
- later, television career spanned a total of 76 years, during which time ... During his long career he also worked with some of the great composers ...26 KB (3,902 words) - 09:43, 11 April 2024
- matter itself, but it involves the reaction of different types of matter to ... played an enormous role in the development of human civilization. Human scientific ...16 KB (2,510 words) - 19:51, 26 March 2024
- Industrial engineering is the branch of engineering concerned with ... Industrial engineering draws upon the principles and methods of engineering ...18 KB (2,585 words) - 22:36, 5 February 2023
- old) is a collectible item desirable because of its age, rarity, condition ... == Definition of antique == [[Image:Kepler-world.jpg|thumb|200 px|left ...16 KB (2,423 words) - 06:37, 31 July 2023
- The Count of Saint Germain (c. 1710–1784) was a mysterious gentleman ... His varied and unique talents reportedly included chemistry, alchemy ...17 KB (2,637 words) - 08:29, 10 January 2024
- Electrostatics is a branch of science that involves the investigation ... It has been known since ancient times that the rubbing of some materials ...18 KB (2,558 words) - 16:05, 13 February 2024
- modern life. Edison is considered one of the most prolific inventors ... Dubbed "The Wizard of Menlo Park" by a newspaper reporter ...26 KB (4,124 words) - 21:08, 30 April 2023
- Space manufacturing involves the production of manufactured goods ... the Solar System at a lower cost than that of lifting materials into orbit. ...17 KB (2,555 words) - 19:04, 7 February 2023
- Secondary education in France falls under the jurisdiction of the ... their profession, depending on the type of baccalauréat. Public French ...18 KB (2,719 words) - 17:43, 25 January 2023
- Willow is the common name for any of the deciduous trees and shrubs ... There are about 400 species of willow. Willows are found primarily ...16 KB (2,517 words) - 21:53, 25 November 2022
- the desired crop relatively unharmed. Some of these act by interfering with ... States, they account for about 70 percent of all agricultural pesticide use. ...17 KB (2,537 words) - 15:43, 25 January 2023
- important semiconductor, though dozens of others are important as well. that exploit the electronic properties of semiconductor materials, principally ...37 KB (5,657 words) - 17:50, 25 January 2023
- in painting, he was a leading proponent of the credo, "art for art ... now preserved as the Whistler House Museum of Art. His father, George Washington ...14 KB (2,184 words) - 08:36, 1 April 2024
- Epicureanism is a system of philosophy based upon the teachings of ... pleasure is an important constituent of human happiness, but only when ...15 KB (2,240 words) - 19:06, 13 February 2024
- Three major figures led to the development of this approach: Ivan Pavlov ... considered adequate to explain all forms of learning and behavior, nonetheless ...19 KB (2,675 words) - 10:26, 26 September 2023
- Vincent Thomas Lombardi (June 11, 1913 – September 3, 1970) was ... and Brooklyn-born Matilda Izzo, the daughter of a barber, whose parents had ...16 KB (2,531 words) - 20:23, 3 May 2023
- Volcanic activity involving the extrusion of rock tends to form mountains ... like the Mid-Atlantic Ridge, has examples of volcanoes caused by "divergent ...32 KB (4,841 words) - 20:59, 3 May 2023
- that is essential for all known forms of life. Laurence D. Barron, ... gaseous state, water vapor. About 71 percent of the Earth's surface is ...56 KB (8,647 words) - 23:15, 3 May 2023
- physicist who is widely regarded as one of the most significant scientists ... that energy is transmitted not in the form of an unbroken (infinitely subdivisible ...30 KB (4,449 words) - 00:57, 9 November 2022
- sources and have been used in a variety of traditional religious practices ... chosen in contrast with recreational use of the same substances. These ...32 KB (4,699 words) - 18:57, 13 February 2024
- by those who wish to avoid the trouble of washing by hand, as in the ... To avoid the problems of using perc, some businesses have switched ...18 KB (2,825 words) - 21:15, 30 January 2024
- Its melting point is higher than that of any other non-alloy, and it ... == History == [[Image:TungstenMetalUSGOV.jpg|thumb|left|Tungsten powder]] ...17 KB (2,431 words) - 18:45, 2 May 2023
- [[Image:Imhotep.JPG|right|thumb|Statuette of Egyptian polymath Imhotep ... educated, or who excels, in a wide variety of subjects or fields. It is based ...38 KB (5,454 words) - 00:21, 12 April 2023
- scientist, astronomer, and mathematician of the Ming Dynasty. Born in Shanghai ... texts, including the first six chapters of Euclid’s Elements, into Chinese ...16 KB (2,411 words) - 14:32, 20 May 2023
- Britannica (Chicago: University of Chicago, 1993, ISBN 978-0852295717 ... imprisonment due largely to the intervention of the Bishop of Chichester, George ...17 KB (2,576 words) - 23:11, 15 May 2023
- with four allotropic forms. The stable form of antimony is a blue-white metal ... semiconductor industry for the manufacture of diodes and infrared detectors ...17 KB (2,369 words) - 06:33, 31 July 2023
- Described as a 'scrap of paper' that changed history, the ... The Balfour Declaration led to the 1922 League of Nations mandate ...20 KB (3,067 words) - 05:52, 26 August 2023
- Computer science is the study of the theoretical foundations of information ... computer programming involves the use of specific programming languages ...20 KB (2,897 words) - 02:35, 8 January 2024
- which is the organization and management of information services or materials ... today are required to have a high degree of diversified and specialized ...23 KB (3,189 words) - 11:04, 7 March 2023
- arts college in 1928 and commenced a program of graduate studies in 1955. Affiliated ... Nicknamed the "University in the Forest" because of the ...19 KB (2,571 words) - 17:43, 30 January 2024
- also is used to refer to just the seed of this tree or to the ground ... In addition to being the source of the spices nutmeg and mace, Myristica ...17 KB (2,574 words) - 10:12, 11 March 2023
- in 1755, the university has grown to be one of the largest institutions in ... whose name was later added to the name of the institution in his honor ...19 KB (2,791 words) - 01:43, 11 March 2023
- storage, retrieval, and dissemination of information. Information science ... understanding problems from the perspective of the stakeholders involved and ...37 KB (5,078 words) - 17:20, 15 April 2021
- The degree Celsius is also a unit increment of temperature for use in indicating ... temperature measurements by most countries of the world and by the entire ...23 KB (3,406 words) - 23:47, 3 December 2023
- A rock is a naturally occurring aggregate of minerals and mineral ... the lithosphere) and mantle are formed of rock. The crust averages about ...20 KB (3,012 words) - 02:25, 16 December 2022
- Bread is a staple food prepared from a dough of flour (usually wheat ... produced Baker's yeast, all of which create bubbles before ...36 KB (5,350 words) - 22:56, 20 November 2023
- Carbon nanotubes (CNTs) are allotropes of carbon with molecular structures ... properties and are efficient conductors of heat. Their novel properties ...62 KB (8,806 words) - 19:09, 26 November 2023
- – March 15, 1937) was an American author of fantasy, horror, and science ... Rhode Island. He was the only child of Winfield Scott Lovecraft, a ...17 KB (2,651 words) - 18:23, 29 July 2023
- The prostate or prostate gland is a exocrine gland of the male mammalian ... In human males, the prostate gland is the size and shape of a chestnut ...18 KB (2,577 words) - 08:14, 2 December 2022
- curd (the literal translation), is a food of Chinese origin, made by coagulating ... but little else is known about the origins of tofu and its method of production ...37 KB (5,817 words) - 03:52, 1 May 2023
- [[Image:Gem.pebbles.800pix.labelled.jpg|right|thumb|300px|A selection ... abrasives and generate laser beams. A number of them are now being produced ...19 KB (2,649 words) - 06:40, 18 April 2024
- discipline that involves application of the principles of physics for ... The beginnings of mechanical engineering go back to the craftsmen ...21 KB (2,997 words) - 03:49, 9 November 2022
- 1996) was the thirty-ninth Vice President of the United States serving under ... Spiro Agnew was born Spiros Anagnostopoulos in the Towson section ...19 KB (2,916 words) - 15:44, 27 April 2023
- is best known as an early advocate of utilitarianism. He was a political ... Bentham argued in favor of individual and economic freedom, including ...18 KB (2,665 words) - 07:56, 3 April 2024
- States, located in the north-central part of the state, near the junction ... Dallas is the main economic center of the 12 county Dallas, Fort Worth ...34 KB (5,022 words) - 18:06, 24 January 2024
- or fine particles, are tiny particles of solid or liquid suspended in ... spray. Human activities, such as the burning of fossil fuels, also generate ...18 KB (2,652 words) - 08:57, 18 November 2022
- Min, married to King Gojong, the 26th King of the Joseon Dynasty. In 1902 ... Queen Min, an unlikely person to take the reins of Korea during the ...20 KB (2,984 words) - 18:31, 13 February 2024
- derived liquid mixture consisting mostly of aliphatic hydrocarbons, enhanced ... Gasoline is a mixture of hydrocarbons, although some may contain significant ...47 KB (6,891 words) - 04:38, 18 April 2024
- Plastics have become an indispensable part of our technological society.]] The term plastic is applied to a wide range of synthetic and semi ...34 KB (5,272 words) - 07:59, 24 November 2022
- Medicine is the science and practice of establishing the diagnosis ... Medicine is the science and practice of the diagnosis, prognosis, ...53 KB (7,336 words) - 04:05, 9 November 2022
- Vitamin E is the generic descriptor for any of a group of several ... from damage, and in particular the membranes of nerves. Other health benefits ...53 KB (7,528 words) - 20:41, 3 May 2023
- Water fluoridation is the controlled addition of fluoride to a public ... The goal of water fluoridation is to prevent tooth decay (dental caries ...64 KB (9,289 words) - 23:16, 3 May 2023
- named for its primary component. It consists of a pigment dissolved in water ... The technique of water-based painting dates to ancient times, and ...20 KB (2,883 words) - 23:18, 3 May 2023
- (May 2, 1772 – March 25, 1801), was one of the earliest of the German ... Low German nobility. In the different lines of his family, many important ...20 KB (3,018 words) - 22:15, 16 November 2022
- The trio of David Crosby, Stephen Stills, and Graham Nash are a folk ... the charts in 1970. They produced a string of mellow, well-harmonized, message ...21 KB (3,245 words) - 06:28, 11 January 2024
- at extremely low temperatures (on the order of −200 degrees Celsius), characterized ... Superconductors are used to make some of the most powerful electromagnets ...21 KB (3,041 words) - 23:46, 26 February 2023
- singer considered a crucial figure in the history of music. His work bridged ... quot; and introduced the Baroque method of declamation with continuo accompaniment ...19 KB (2,913 words) - 10:59, 19 December 2023
- ==Evolution of the glyph== as the number represents. The Romans tired of writing 4 as IIII, but 3 continues ...42 KB (5,963 words) - 06:44, 13 June 2023
- is a public research university in the state of Ohio. It was founded in 1870 ... The mission of OSU is to improve the quality of life of people both ...40 KB (5,731 words) - 10:21, 11 March 2023
- School, Yale is the third-oldest institution of higher education in the United ... after those at Oxford and Cambridge. Each of 12 residential colleges houses ...40 KB (5,720 words) - 10:04, 22 May 2023
- Political philosophy is a branch of philosophy, which studies fundamental ... existing or possible theories and practices of social, political matters, ...23 KB (3,233 words) - 08:37, 24 November 2022
- white luster that can take a high degree of polish. Along with copper and ... electronic products. The nitrate and halides of silver are valuable in photography ...20 KB (2,849 words) - 22:08, 29 January 2023
- John Dewey (October 20, 1859 – June 1, 1952) is regarded as one ... Throughout most of his 92 years, Dewey was an internationally renowned ...20 KB (2,964 words) - 02:26, 9 February 2023
- Ellesmere Island is the largest of the Queen Elizabeth Islands in ... More than one-fifth of the island has been turned into a national ...20 KB (2,966 words) - 17:14, 13 February 2024
- Hollywood's silent film period and part of its Golden Age. She was one ... Garbo is regarded as one of the greatest and most inscrutable movie ...20 KB (3,159 words) - 16:14, 18 July 2022
- pioneered important concepts in the fields of cell biology and microbial ... The endosymbiotic theory concerns the origins of mitochondria and ...19 KB (2,756 words) - 10:41, 9 March 2023
- known colloquially as "the father of the hydrogen bomb," even ... States in the 1930s, and was an early member of the Manhattan Project charged ...41 KB (6,221 words) - 23:53, 12 February 2024
- Spiritualism and séances were the object of intense curiosity.]] to be used in English to refer to a meeting of people trying to receive spiritualistic ...22 KB (3,512 words) - 00:58, 21 April 2023
- outstanding leader in the physical sciences of the nineteenth century widely ... * Von Meyer, Ernst. 1906. A History of Chemistry, tr. George McGowan ...36 KB (5,321 words) - 20:35, 13 May 2023
- the forward direction. This effect is a form of electroluminescence. LEDs are ... LEDs have a broad range of uses. Many are used for a variety of signs ...41 KB (6,290 words) - 01:16, 26 October 2022
- == Evolution of the glyph == Image:Evolution5glyph.png The evolution of our modern glyph for five cannot be neatly traced ...21 KB (2,981 words) - 06:46, 13 June 2023
- was an eminent astrophysicist. Of Tamil Indian heritage, he was born ... He served on the University of Chicago faculty from 1937 until his ...20 KB (2,980 words) - 13:44, 28 April 2023
- to as ADS) is a digital library portal of over 7,000,000 astronomy and ... had a significant impact on the efficiency of astronomical research since ...25 KB (3,826 words) - 18:28, 19 August 2023
- Pedagogy, literally translated, is the art or science of teaching ... able to embrace both the art and science of pedagogy, acting as "parents ...26 KB (3,614 words) - 17:11, 26 March 2023
- discipline that deals with the development of technologies for generating ... Electrical engineers may work on such things as the construction of ...26 KB (3,608 words) - 15:50, 13 February 2024
- A high school is the name used in some parts of the world, particularly ... In addition to completing this level of academic studies, high schools ...27 KB (3,998 words) - 15:48, 25 January 2023
- was born in Liverpool. Jevons was one of three men to simultaneously ... his remarkable insights and understanding of a wide ranges of issues. Although ...23 KB (3,455 words) - 10:52, 12 May 2023
- evidence that "certain features of the universe and of living ... by chance. ID focuses on just those sorts of complex patterns that in human ...70 KB (10,563 words) - 12:54, 7 February 2023
- found in formations in the Earth consisting of a complex mixture of hydrocarbons ... sources. In a typical barrel 84 percent (37 of 42 gallons) of the hydrocarbons ...42 KB (6,126 words) - 14:48, 28 March 2023
- Popularly, Love is any of a number of emotions and experiences related ... The ancient Greeks described love with a number of different words: ...70 KB (11,122 words) - 04:14, 4 November 2022
- from Mississippi who is regarded as one of America's most influential ... Williams, Faulkner is often considered one of the most important writers ...20 KB (3,045 words) - 12:09, 8 May 2023
- Lethal injection involves injecting a person with a fatal dose of ... However, the humaneness of lethal injection as a process of execution ...26 KB (3,901 words) - 23:34, 21 October 2023
- region including the three kingdoms of Denmark, Norway, and Sweden ... often defined according to the conventions of different disciplines or according ...27 KB (3,890 words) - 02:32, 21 April 2023
- like a snake but has a heightened sense of intelligence. Serpents are ... The serpent is one of the oldest and most widespread mythological ...23 KB (3,735 words) - 10:04, 26 January 2023
- “The Sea Around Us”, and “The Edge of the Sea” were immense successes ... our attention on the wonders and realities of the universe around us, the ...21 KB (3,192 words) - 17:19, 16 April 2023
- |name=The University of Chicago | year=2007 | publisher=The University of Chicago | url= ...51 KB (7,192 words) - 13:07, 3 May 2023
- Rosicrucianism (meaning "Rose Cross") refers to a family ... The meetings of these societies were held in private and thus Rosicrucians ...24 KB (3,613 words) - 19:19, 16 December 2022
- Nutrition is the combination of elements consumed by a person that ... problems. Moreover, excessive ingestion of elements that have no apparent ...56 KB (8,181 words) - 01:22, 17 November 2022
- [[Image:Paper 450x450.jpg|thumb|right|Sheet of paper]] Paper is a thin, flat material produced by the compression of fibers ...25 KB (4,009 words) - 11:23, 11 March 2023
- million square feet (310,000 square meters) of built-up space, serving as ... understood that the traditional course of developing heavy industries ...28 KB (3,882 words) - 00:49, 21 April 2023
- |free = Middle States Association of Colleges and Schools ... Washington, D.C. in the United States. One of several Historical Black Colleges ...28 KB (3,869 words) - 19:30, 7 February 2024
- population 3,145,300 (2005), is the capital of Vietnam. From 1010 until 1802 ... The city is located on the right bank of the Red River. Hanoi is located ...24 KB (3,621 words) - 13:28, 24 January 2023
- an internal wick rising through the center of a column of solid fuel. Prior ... With the advent of kerosene lamps and electric lights, candles are ...26 KB (4,080 words) - 19:18, 25 November 2023
- Project refers specifically to the period of the project from 1941-1946 ... Germany might be developing nuclear weapons of its own. Born out of a small ...52 KB (8,009 words) - 11:05, 9 March 2023
- |caption= Shield of Emory University |motto=Cor prudentis possidebit ... |publisher = International Association of Methodist Schools, Colleges, and ...26 KB (3,754 words) - 18:26, 13 February 2024
- Planetary habitability is the measure of a planet's or a natural ... An absolute requirement for life is an energy source, and the notion ...54 KB (8,172 words) - 20:44, 9 April 2023
- was an influential liberal thinker of the nineteenth century. John ... greatest happiness for the greatest number of people, and distinguished among ...27 KB (4,047 words) - 07:56, 3 August 2022
- emphasize activity as an important form of education, especially for children ... International professional organizations of children's museums ...29 KB (4,459 words) - 16:38, 10 December 2023
- two different languages and the practice of teaching children in their ... role in the world. With the advent of multicultural societies, and ...32 KB (4,686 words) - 03:50, 1 October 2023
- Spiritualism is the belief that the spirits of the dead can be contacted ... These spirits are thought to be capable of providing helpful advice ...26 KB (3,720 words) - 15:24, 27 April 2023
- the proper fuel/air mixture for a wide range of engine-operating conditions ... "To carburet" means to combine with carbon. In fuel chemistry ...26 KB (4,190 words) - 19:11, 26 November 2023
- produces a three-dimensional image or map of functional processes in the ... is FDG ([18F]-fluorodeoxyglucose), an analog of glucose, the concentrations ...26 KB (3,835 words) - 05:46, 30 November 2022
- Freedom is traditionally understood as independence of the arbitrary ... A slave is constantly subject to the will of another. By contrast ...28 KB (4,455 words) - 10:43, 11 April 2024
- Washington, in the Pacific Northwest region of the United States. It is located ... destructive volcanic event in the history of the United States. Fifty ...26 KB (4,064 words) - 01:45, 11 March 2023
- is a major constituent in the cell membranes of animals and serves as a precursor ... Although cholesterol has a poor public image as a result of its role ...23 KB (3,346 words) - 17:16, 10 December 2023
- X-rays (or Röntgen rays) are a form of electromagnetic radiation ... X-rays are valuable in the field of medicine and for scientific research ...25 KB (3,822 words) - 14:14, 20 May 2023
- politician, who ruled Hungary, as the leader of the Hungarian Soviet Republic ... Although Kun was hostile to all forms of religion, his Jewish roots ...26 KB (4,004 words) - 08:50, 27 September 2023
- Classical mechanics is used for describing the motion of macroscopic ... with high velocity, approaching the speed of light; general relativity is ...33 KB (4,963 words) - 10:51, 19 December 2023
- ) is the capital city and the economic and communications hub of Padova ... the poet Dante lived, where Saint Anthony of Padua is buried, and as the ...25 KB (3,594 words) - 06:14, 18 November 2022
- Corals are those marine invertebrates of the phylum Cnidaria and the ... other prey items, these animals obtain much of their nutrients from symbiotic ...26 KB (4,043 words) - 19:01, 14 January 2023
- Persian and Muslim poet, Sufi, theoretician of mysticism, and hagiographer ... His most famous work, The Conference of the Birds, rejoices in the ...25 KB (4,069 words) - 00:42, 25 March 2024
- that contains information on all branches of knowledge or a particular branch ... (pron. enkyklos paideia), literally 'the things of boys/child ...30 KB (4,429 words) - 15:48, 26 September 2023
- only been applied to the energy and forms of energy harnessed but also to ... could be classified under the category of alternative energy; however ...57 KB (8,258 words) - 20:49, 29 April 2020
- The Gaia hypothesis is a class of scientific models of the geo-biosphere ... Lovelock hypothesized that the living matter of the planet functioned in many ...30 KB (4,599 words) - 11:57, 4 December 2023
- also is used to refer to the fruit of this tree, which is characterized ... The fruit, which advances the pomegranate's individual purpose ...26 KB (3,898 words) - 08:48, 24 November 2022
- January 23, 1806) was a British politician of the late eighteenth and early ... tenure, which came during the reign of George III, was dominated by ...28 KB (4,338 words) - 18:25, 17 April 2023
- computing, his role in the development of the atomic bomb and other weapons ... Through his public career, Bush was a proponent of technological innovation ...25 KB (3,736 words) - 14:34, 3 May 2023
- Digital preservation is a set of processes and activities that maintain ... The preservation of digital information is widely considered to require ...34 KB (4,699 words) - 14:38, 29 January 2024
- City. Founded by the Roman Catholic Diocese of New York in 1841 as St. John ... With a long tradition of excellence in academics and theology, Fordham ...33 KB (4,668 words) - 06:21, 1 April 2024
- Robert Anson Heinlein (July 7, 1907 – May 8, 1988) was one of the ... The major themes of his work were social: Radical individualism, libertarianism ...54 KB (8,294 words) - 21:10, 16 April 2023
- |affiliations = Association of American Universities |website ... initial $1 million endowment in the hopes of making a contribution to the ...32 KB (4,475 words) - 14:20, 3 May 2023
- political philosopher, noted for his defense of liberal democracy and free ... 1899 in Vienna, Austria to a Catholic family of prominent intellectuals. He ...29 KB (4,353 words) - 11:04, 11 April 2024
- British gentleman scientist and inventor of the Victorian period. applying its principles to a novel form of illumination, the Bude light; ...27 KB (4,255 words) - 22:32, 29 January 2023
- quot;) describes the large scale motions of Earth's lithosphere. The ... The outermost part of the Earth's interior is made up of two ...57 KB (8,619 words) - 02:46, 8 January 2024
- diverse explanations about the structure of the universe that open the ... special intention or plan for the appearance of humans in the universe, and ...36 KB (5,492 words) - 06:15, 31 July 2023
- best known for his role as the director of the Manhattan Project, the ... position to lobby for international control of atomic energy and to avert ...58 KB (8,808 words) - 01:10, 8 February 2023
- began in 1873, just prior to the Treaty of Ganghwa in 1874 between Japan ... China representing the whales. Indeed, the history of Korea is replete with ...29 KB (4,382 words) - 23:06, 30 November 2022
- science, numerical analysis, hydrodynamics (of explosions), statistics and ... Most notably, von Neumann was a pioneer of the application of operator ...30 KB (4,433 words) - 00:38, 10 February 2023
- writings on Daoism, alchemy, and techniques of longevity. These religious ... Ge Hong’s writing reflects the complex intellectual landscape of ...30 KB (4,865 words) - 06:29, 18 April 2024
- :This article is about plasma in the sense of an ionized gas. The ... In physics and chemistry, a plasma is one of the four principal states ...35 KB (5,311 words) - 07:58, 24 November 2022
- The marathon is a long-distance running event of 42.195 km (26 miles ... == History == In Ancient Greek, fennel was called marathon the same ...30 KB (4,587 words) - 03:03, 6 November 2022
- fuel obtained by the fractional distillation of petroleum, often called petrodiesel ... == History == === Etymology === The word "diesel" is derived ...30 KB (4,446 words) - 14:28, 29 January 2024
- “great river” or literally, “river of the falls,” is the second ... tributary, the Missouri River, with a length of 2,341 miles (3,767 kilometers ...31 KB (4,768 words) - 11:11, 10 March 2023
- with a wavelength shorter than that of visible light, but longer than ... insects such as bees, can see into a portion of the ultraviolet region (the ...28 KB (4,293 words) - 11:30, 18 April 2023
- Iowa is a state in the Midwestern region of the United States of America ... A north central state, it forms a bridge between the forests of the ...28 KB (4,107 words) - 18:56, 7 February 2023
- Franz Kafka (July 3, 1883 – June 3, 1924) was one of the major German ... His most famous pieces of writing include his short story Die Verwandlung ...29 KB (4,338 words) - 09:35, 11 April 2024
- Empiricism is a term in philosophy for a set of philosophical positions ... positions that emphasize the role of innate ideas, or a priori knowledge ...34 KB (4,921 words) - 18:30, 13 February 2024
- potential applications. It includes study of subjects such as theories of ... Ultimately, the goal of those working in the field of educational ...35 KB (4,855 words) - 18:18, 12 February 2024
- The philosophy of science, a sub-branch of epistemology, is the branch ... ==Questions Addressed by Philosophy of Science== Philosophy of science ...72 KB (11,042 words) - 04:18, 24 November 2022
- | work_institution = University of Vienna | alma_mater = University of Vienna | doctoral_advisor = Jean-Martin ...58 KB (8,678 words) - 21:59, 29 January 2023
- The State of Israel (in Hebrew "Medinat Yisra'el," ... Israel declared its independence in 1948. With a diverse population ...69 KB (10,208 words) - 15:25, 19 March 2023
- operations) using the toxic properties of chemical substances to kill ... Chemical weapons are classified as weapons of mass destruction by ...61 KB (9,020 words) - 14:48, 5 December 2023
- physicist. He is best known for his theory of relativity and specifically ... to physics include his special theory of relativity, which reconciled ...63 KB (8,940 words) - 05:00, 17 June 2023
- Magic has been used throughout history, in attempts to heal or harm ... While some deny any form of magic as authentic, those that practice ...35 KB (5,255 words) - 10:49, 9 March 2023
- magic and the occult, he also devoted much of his life to alchemy, divination ... Dee straddled the worlds of science and magic just as the two disciplines ...34 KB (5,268 words) - 02:25, 9 February 2023
- located in East Asia with a population of nearly three million. Mongolia ... Mongolia was the center of the Mongol Empire in the thirteenth century ...35 KB (5,051 words) - 13:11, 10 March 2023
- by humans. The term encompasses the universe of living organisms and their ... essential character or fundamental quality of a person or thing, it is in ...63 KB (9,360 words) - 04:22, 11 March 2023
- Trance is a state of semi-consciousness in which a person is not self ... channeling, prayer, and altered states of consciousness. The person may ...33 KB (4,676 words) - 00:39, 2 May 2023
- Scorpion is the common name for any of the carnivorous arthropods ... Scorpions are widely distributed south of about 49° N, with the notable ...32 KB (4,433 words) - 02:37, 21 April 2023
- in Physics for his work on the scattering of light and his discovery of ... Eventually, in 1891, he gained a Bachelors of Arts degree in physics at the ...35 KB (5,365 words) - 19:55, 24 November 2023
- Malaysia is a federation of 13 states in Southeast Asia. ... The name "Malaysia" was adopted in 1963 when the Federation ...33 KB (4,723 words) - 14:30, 29 March 2024
- Cheese is a dairy product produced in wide ranges of flavors, textures ... Cheese is valued for its portability and high content of fat, protein ...37 KB (5,561 words) - 17:22, 24 November 2023
- Craters of the Moon National Monument and Preserve is a U.S. National ... area. The National Park Service portions of the expanded Monument were ...35 KB (5,657 words) - 06:16, 11 January 2024
- energy into electricity. It is made up of two electrodes, each coated ... == History == The principle of the fuel cell was discovered by German ...40 KB (5,810 words) - 07:10, 15 April 2024
- died in Adyar, India where she was President of the Theosophical Society from ... satisfied if I could have touched the hem of [her] garment" ...34 KB (5,469 words) - 04:59, 31 July 2023
- City, noted for his dense and complex works of fiction. Hailing from Long ... regarded by many readers and critics as one of the finest contemporary authors ...33 KB (4,941 words) - 22:49, 30 April 2023
- the Cold War. He served as Second Secretary of the Communist Party of the ... Born in rural Russia in 1902, Suslov became a member of the All-Union ...40 KB (5,479 words) - 22:14, 30 March 2023
- – November 4, 1993) is the dharma name of a Korean Seon (Hangul: 선 ... on April 10, 1912, Seongcheol was the first of seven children of a Confucian ...36 KB (5,271 words) - 19:47, 21 April 2023
- Criminology is the scientific study of crime as an individual and ... crime and ensuring the safety and well-being of all members of society. The ...34 KB (4,876 words) - 06:24, 11 January 2024
- Today, it is generally used in the context of an alternative to energy deriving ... that do not involve the depletion of natural resources or significant ...73 KB (10,796 words) - 08:37, 23 July 2023
- :This article elaborates on the central technology of generating nuclear ... the chain reaction occurs in a fraction of a second and is uncontrolled ...45 KB (6,704 words) - 00:40, 17 November 2022
- produced through rapid, confined burning of a propellant. This process ... was a variation on the contemporary terms of bow arm and drawing arm still ...44 KB (7,015 words) - 19:53, 26 March 2024
- opportunity in the decline and collapse of the Sui Empire. The dynasty ... civilization—equal to or surpassing that of the Han Dynasty—as well as ...40 KB (6,123 words) - 00:13, 10 February 2024
- in northeast Spain. It covers an area of 12,399 square miles (32,113 ... region within Spain. It has an older history as an independent territory ...38 KB (5,664 words) - 19:12, 29 November 2023
- A laser (an acronym for Light Amplification by Stimulated Emission ... in which the laser scans the surface of the disc. Other common applications ...41 KB (6,333 words) - 06:55, 4 March 2023
