A vacuum (pl.: vacuums or vacua) is space devoid of matter. The word is derived from the Latin adjective vacuus (neuter vacuum) meaning "vacant" or "void"...
67 KB (7,594 words) - 04:53, 13 August 2024
A vacuum tube, electron tube, valve (British usage), or tube (North America) is a device that controls electric current flow in a high vacuum between...
120 KB (15,400 words) - 18:36, 7 September 2024
robotic vacuum cleaner, sometimes called a robovac or a roomba as a generic trademark, is an autonomous robotic vacuum cleaner which has a limited vacuum floor...
17 KB (1,777 words) - 05:42, 28 August 2024
In quantum field theory, a false vacuum is a hypothetical vacuum state that is locally stable but does not occupy the most stable possible ground state...
42 KB (4,953 words) - 01:30, 8 September 2024
A vacuum servo is a component used on motor vehicles in their braking system, to provide assistance to the driver by decreasing the braking effort. In...
2 KB (152 words) - 02:12, 10 June 2024
A vacuum cleaner, also known simply as a vacuum, is a device that uses suction, and often agitation, in order to remove dirt and other debris from carpets...
46 KB (5,773 words) - 04:31, 27 August 2024
A vacuum breaker is a device that prevents water from being siphoned backward in a direction it is not desired to go. They are commonly placed on a bibcock...
4 KB (453 words) - 17:16, 18 May 2024
Vacuum is the absence of matter, or the very high, but imperfect, vacuum of the solar system and interstellar space. Vacuum may also refer to: Vacuum...
894 bytes (148 words) - 07:42, 19 August 2024
Vacuum energy is an underlying background energy that exists in space throughout the entire universe. The vacuum energy is a special case of zero-point...
14 KB (1,898 words) - 16:32, 21 August 2024
Vacuum cementing or vacuum welding is the natural process of solidifying small objects in a hard vacuum.[clarification needed] The most notable example...
2 KB (269 words) - 06:36, 3 January 2024