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"...

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...

VACUUM is a set of normative guidance principles for achieving training and test dataset quality for structured datasets in data science and machine learning...

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...

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...

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...

The vacuum magnetic permeability (variously vacuum permeability, permeability of free space, permeability of vacuum, magnetic constant) is the magnetic...

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...

A vacuum flask (also known as a Dewar flask, Dewar bottle or thermos) is an insulating storage vessel that slows the speed at which its contents change...

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...

Vacuum permittivity, commonly denoted ε0 (pronounced "epsilon nought" or "epsilon zero"), is the value of the absolute dielectric permittivity of classical...

A vacuum bazooka is a pipe-based cannon which uses a vacuum pump (often a vacuum cleaner) to reduce pressure in front of the projectile and therefore propel...

Quantum vacuum may also refer to: Quantum chromodynamic vacuum (QCD vacuum), a non-perturbative vacuum Quantum electrodynamic vacuum (QED vacuum), a field-theoretic...

Pfeiffer Vacuum Technology AG is a German manufacturer of vacuum pumps. It is headquartered in Aßlar in Germany with 70% of the total production catering...

Vacuum packing is a method of packaging that removes air from the package prior to sealing. This method involves placing items in a plastic film package...

A vacuum bed is a device sometimes used in BDSM play. A person is placed in a latex envelope spanned by a frame and a suction pump or floor vacuum removes...

A vacuum pump is a type of pump device that draws gas particles from a sealed volume in order to leave behind a partial vacuum. The first vacuum pump was...

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...

A vacuum chamber is a rigid enclosure from which air and other gases are removed by a vacuum pump. This results in a low-pressure environment within the...

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...

pressure and vacuum. Instruments used to measure and display pressure mechanically are called pressure gauges, vacuum gauges or compound gauges (vacuum & pressure)...

In chemistry, a vacuum oven is an oven that can also apply a vacuum to its contents. Such devices are useful for removing solvent or dehydrating samples...

Vacuum or suction aspiration is a procedure that uses a vacuum source to remove an embryo or fetus through the cervix. The procedure is performed to induce...

Vacuum distillation or distillation under reduced pressure is a type of distillation performed under reduced pressure, which allows the purification of...

Vacuum cementing or vacuum welding is the natural process of solidifying small objects in a hard vacuum.[clarification needed] The most notable example...

420 kN (95,000 lbf) in vacuum, and performing with a specific impulse of 261 s (2.56 km/s) at sea level and 303 s (2.97 km/s) in vacuum. The Merlin 1B was...

In quantum field theory, the quantum vacuum state (also called the quantum vacuum or vacuum state) is the quantum state with the lowest possible energy...

The vacuum brake is a braking system employed on trains and introduced in the mid-1860s. A variant, the automatic vacuum brake system, became almost universal...

A vacuum flange is a flange at the end of a tube used to connect vacuum chambers, tubing and vacuum pumps to each other. Vacuum flanges are used for scientific...

A vacuum ejector, or simply ejector is a type of vacuum pump, which produces vacuum by means of the Venturi effect. In an ejector, a working fluid (liquid...