The Vacuum information

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"...

The Vacuum is a free newspaper published in Belfast, Northern Ireland by the arts organisation Factotum. Each issue is themed and contains critical commentary...

In quantum field theory, a false vacuum is a hypothetical vacuum that is relatively stable, but not in the most stable state possible. In this condition...

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...

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...

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...

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

The speed of light in vacuum, commonly denoted c, is a universal physical constant that is exactly equal to 299,792,458 metres per second (approximately...

mercury vacuum is a vacuum cleaner specifically designed to collect mercury (the metallic element, not the planet), for instance to clean up spills of the element...

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...

classical vacuum. It may also be referred to as the permittivity of free space, the electric constant, or the distributed capacitance of the vacuum. It is...

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

Vacuum drying is the mass transfer operation in which the moisture present in a substance, usually a wet solid, is removed by means of creating a vacuum...

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 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...

In electrical engineering, a vacuum interrupter is a switch which uses electrical contacts in a vacuum. It is the core component of medium-voltage circuit-breakers...

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...

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...

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...

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...

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...

vacuum fryer is a deep-frying device housed inside a vacuum chamber. With vacuum frying it is easier to maintain natural colors and flavours of the finished...

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

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...

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...

This results in a low-pressure environment within the chamber, commonly referred to as a vacuum. A vacuum environment allows researchers to conduct physical...

accomplishes much the same purpose is the backflow preventer. Vacuum relief valves are sometimes known as vacuum breakers. An atmospheric vacuum breaker consists...

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

Vacuum extraction (VE), also known as ventouse, is a method to assist delivery of a baby using a vacuum device. It is used in the second stage of labor...