Search results for "Vacuum/" - New World Encyclopedia
From New World Encyclopedia
Page title matches
- A vacuum is a volume of space that is essentially empty of matter, so that gaseous pressure is much less than standard atmospheric pressure. ...37 KB (5,624 words) - 20:38, 21 April 2020
Page text matches
- In the case of electromagnetic radiation, such as light, in a vacuum ... ===In non-vacuum media=== The speed of light in most media is lower ...6 KB (857 words) - 23:20, 3 May 2023
- In classical physics, free space, sometimes called the vacuum of free space, refers to a region of space where there is a theoretically "perfect ...15 KB (2,209 words) - 19:32, 8 October 2022
- arguments proving the existence of a vacuum. His assertion of the occurrence ... remained in the tube, he concluded that a vacuum had been created in the space ...8 KB (1,143 words) - 04:50, 23 March 2024
- conditions, it is colorless, but in a vacuum discharge tube, it gives ... noted above, it glows reddish-orange in a vacuum discharge tube. ...6 KB (841 words) - 16:18, 11 November 2022
- can be solids, liquids, or gases. In addition, a vacuum is an excellent dielectric. An important application of dielectrics is to separate the ...14 KB (1,888 words) - 14:27, 29 January 2024
- * Vacuum packaging or inert atmosphere packaging: Oxygen in the air ... * Blister, Skin and Vacuum Packaging Machines * Capping, Over-Capping ...8 KB (1,092 words) - 06:17, 1 April 2024
- drying techniques include drum drying and vacuum drying. In drum drying, a ... out under reduced pressure (using a vacuum pump) to allow drying to ...10 KB (1,629 words) - 22:34, 19 August 2020
- The electrodes shown at the right would be in the vacuum chamber, ... The charged particles move freely in a vacuum, so the particles follow ...12 KB (1,883 words) - 06:53, 12 January 2024
- particles: the particle influences the vacuum fluctuations in its vicinity ... or together as an electron beam in a vacuum. In some superconductors ...10 KB (1,515 words) - 15:57, 13 February 2024
- empty, that is, it is not a perfect vacuum. Rather, it contains a low ... Outer space is the closest natural approximation of a perfect vacuum ...19 KB (2,762 words) - 05:59, 18 November 2022
- through the application of partial vacuum. The vacuum speeds sublimation ... After the freeze-drying process is complete, the vacuum is usually ...13 KB (1,930 words) - 10:50, 11 April 2024
- Like vacuum distillation, steam distillation is a method for distilling ... ===Vacuum distillation=== Some compounds have very high boiling points ...29 KB (4,405 words) - 15:30, 29 January 2024
- A vacuum is a volume of space that is essentially empty of matter, so that gaseous pressure is much less than standard atmospheric pressure. ...37 KB (5,624 words) - 20:38, 21 April 2020
- communities, wastewater may be conveyed by vacuum. Pipelines range in size ... Sewage can also be collected by low pressure pumps and vacuum systems ...15 KB (2,180 words) - 10:10, 26 January 2023
- solid-liquid, solid-gas, liquid-gas, and solid-vacuum interfaces. It includes the fields of surface chemistry and surface physics. The science and ...13 KB (1,826 words) - 23:53, 26 February 2023
- denser than water. To create a vacuum with mercury takes less than three feet, which makes its use more practical than a water barometer. ...9 KB (1,410 words) - 08:09, 20 September 2023
- constant is thought to arise from the vacuum energy. Scalar fields which ... effect. It is sometimes called a vacuum energy because it is the ...26 KB (3,829 words) - 22:20, 25 January 2024
- * a vacuum adapter (for distillations under reduced pressure) ... as wool, aluminum foil, or (preferably) a vacuum jacket. The hottest tray ...12 KB (1,803 words) - 06:40, 1 April 2024
- compared with the speed of light in vacuum or air. For example, if a ... commonly used in the context of light with vacuum as a reference medium, although ...21 KB (3,222 words) - 03:01, 8 December 2022
- transistors gradually replaced the earlier vacuum tubes in most applications ... JFET the solid state equivalent of the vacuum tube triode which, similarly ...30 KB (4,329 words) - 02:07, 2 May 2023