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  • ...he major component of [[gastric acid]]. It is routinely used in chemical research laboratories and manufacturing plants. Its applications include the large-s ...hydrochloric acid and [[nitric acid]], was of great interest to alchemists searching for the [[philosopher's stone]].
    24 KB (3,288 words) - 19:57, 22 January 2018
  • ...odies of {{convert|40|ha}} or more, a value larger than what most modern researchers consider appropriate.<ref>C.S. Elton, and R.S. Miller. 1954. The ecologi ...vasses, pressure from the [[mass]] of the ice sheet above, or [[geothermal heating]] below.
    31 KB (4,845 words) - 14:24, 20 June 2018
  • ...[[cooling]] refers generally to any natural or artificial process by which heat is dissipated. The field of study that deals with artificial production of ...Law of Thermodynamics]], some form of work must be performed when removing heat. This work is traditionally [[mechanical work]], but it can also be done by
    29 KB (4,261 words) - 22:58, 27 July 2019
  • ...s were improvements to basic [[roasting]]. Besides exposing food to direct heat from an open [[fire]] or hot embers, the food could have been covered with ...e without access to natural heated water sources, such as [[hot springs]], heated stones could be placed in a water-filled vessel to raise its temperature
    24 KB (3,726 words) - 15:25, 19 June 2013
  • ...h century: D. Harper, [http://www.etymonline.com/index.php?search=physical&searchmode=none "Physical,"] ''Online Etymology Dictionary'' (2010). Retrieved Jan ... of these constants have been carefully measured, but the reason for their specific values remains a mystery.
    63 KB (9,373 words) - 21:45, 26 September 2016
  • A British chemist named [[John Frederic Daniell]] searched for a way to eliminate gas buildup in the Voltaic pile. His solution was ...g for a more lightweight and durable rechargeable battery. In 1903 their research produced a battery that consisted of iron and nickel electrodes with potass
    31 KB (4,897 words) - 17:49, 28 July 2019
  • ...Germany]] could not compete with, provided them with sufficient generating capacity to produce enough aluminum to manufacture sixty thousand warplanes in four ...] and a good reflector (approximately 95%) of [[infrared]]. It is a good [[Heat conduction|thermal]] and [[electrical conductor]], by weight better than co
    38 KB (5,712 words) - 15:35, 14 March 2019
  • ...|electrical]] properties and are efficient [[heat conduction|conductors of heat]]. Their novel [[chemical property|properties]] make them potentially usefu ...ef> and Iijima at NEC of ''single-walled'' carbon nanotubes and methods to specifically produce them by adding transition-metal catalysts to the carbon in an a
    63 KB (8,956 words) - 20:45, 10 January 2017
  • ...patient develop insight into unconscious factors causing the problems. The specifics of the analyst's interventions typically include confronting and clarifyin ...e perhaps his most enduring "discovery," that [[dream]]s were symbolic and specific to the dreamer. In his ''Interpretations of Dreams'' (1900), Freud argued t
    47 KB (6,498 words) - 07:27, 16 June 2019
  • ...olars our understanding of intelligence is still limited. Perhaps, since researchers use only their own human intellect to discover the secrets of human inte ...Mainstream Science on Intelligence," which was signed by 52 intelligence researchers in 1994:
    40 KB (5,743 words) - 22:03, 3 March 2018
  • ...[electromagnetic radiation]] and as [[kinetic energy]] of the fragments ([[heat]]ing the bulk material where fission takes place). Fission is a form of [[N ...form of [[gamma ray]]s; in a nuclear reactor, the energy is converted to [[heat]] as the particles and gamma rays collide with the atoms that make up the r
    31 KB (4,881 words) - 21:04, 13 December 2018
  • ...s used as a [[soil]] conditioner and an additive that increases the soil's capacity to hold water. It is used as insulating material and for potting plants. In ...o keep pace with production of organic matter; it involves such additional specific conditions as lack of [[oxygen]] or nutrients, lower temperatures, or high
    19 KB (2,944 words) - 17:51, 31 January 2019
  • ...cience|fields]]. For example, [[computer programming]] involves the use of specific [[programming language]]s to craft solutions to concrete computational prob ...control of such things as mobile phones, home appliances, security alarms, heating and cooling systems, and [[space shuttle]]s. In medicine, it has led to
    21 KB (2,948 words) - 15:19, 17 March 2017
  • ...ips is currently exploring how to extract oil from new sources, as well as searching for alternative and sustainable sources of energy. ...ntries. As of 2006, its 12 U.S. refineries had a combined crude processing capacity of {{convert|2208000|oilbbl/d|m3/d}} (BPD) making it the second-largest ref
    24 KB (3,338 words) - 16:11, 20 March 2017
  • ...al must either cease its athletic activity or risk harming itself from overheating. One can easily observe this pattern of intense activity followed by res ...nterest to an untrained dog. An intensive search for a scent, for instance searching a ship for contraband, can actually be very fatiguing for a dog, and the
    38 KB (6,076 words) - 15:50, 18 December 2014
  • ...als to conserve energy, and the digestive system is "up-regulated" to full capacity within 48 hours of prey consumption. Being ectothermic or [[cold blooded]], ...low the nostrils(common in pythons) which allow them to "see" the radiated heat (Cogger and Zweifel 1992).
    54 KB (8,028 words) - 21:14, 27 July 2008
  • ... from two of his children.<ref name="Searchstonesmult">M. Scott Peck, ''In Search of Stones: A Pilgrimage of Faith, Reason and Discovery '' (Hyperion, 1995). ...sting last. However, a sizable number of [[adolescent]]s seem to lack this capacity. These problematic students are controlled by their [[impulse (psychology)|
    37 KB (5,607 words) - 21:39, 4 August 2018
  • ...hes, plastics can be designed with immense variation in properties such as heat tolerance, hardness, and resiliency. This ability to customize the properti ...rocess hardened into a hard, ivory-like material that could be molded when heated. It won a bronze medal at the 1862 [[World's Fair]] in [[London]].
    34 KB (5,274 words) - 21:17, 29 March 2019
  • ... capable of acting alone. Nor could any of the numerous inquiries identify specific motive, apart from a general hostility to his environment. Whatever motive ...ism|Marxist]] solely from reading about the topic. He found that he had to search the dusty back shelves of libraries to find the socialist literature in whi
    49 KB (7,814 words) - 23:01, 24 June 2018
  • ...ade of lightweight metallic foil so as to generate thousands of degrees of heat at no cost; or reflected onto crops to enable [[photosynthesis]] to proceed ...ted]]. This requires fairly large radiator areas. Alternatively, the waste heat can be used to melt ice on the poles of a planet like Mars.
    37 KB (5,526 words) - 15:56, 14 October 2015

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