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The World Wide Web (WWW or simply the Web) is an information system that enables content sharing over the Internet through user-friendly ways meant to...

An actuator is a component of a machine that produces force, torque, or displacement, usually in a controlled way, when an electrical, pneumatic or hydraulic...

SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data) is an astronomical database of objects beyond the Solar System...

An automatic firearm or fully automatic firearm (to avoid confusion with semi-automatic firearms) is a self-loading firearm that continuously chambers...

The next-generation network (NGN) is a body of key architectural changes in telecommunication core and access networks. The general idea behind the NGN...

In materials science, a refractory (or refractory material) is a material that is resistant to decomposition by heat or chemical attack that retains its...

Composite video is an baseband analog video format that typically carries a 525 or 625 line interlaced black and white or color signal, on a single channel...

In computing, Common Gateway Interface (CGI) is an interface specification that enables web servers to execute an external program to process HTTP or HTTPS...

The Ride Report is the informal name of the report titled NASA Leadership and America's Future in Space: A Report to the Administrator. In 1986, a task...

A SIM lock, simlock, network lock, carrier lock or (master) subsidy lock is a technical restriction built into GSM and CDMA mobile phones by mobile phone...

A wood shaper (usually just shaper in North America or spindle moulder in the UK and Europe), is a stationary woodworking machine in which a vertically...

BlankOn Linux is a Debian-based Linux distribution made in Indonesia. This distribution was developed by the BlankOn Development Team with support from...

Space manufacturing or In-space manufacturing (ISM in short) is the fabrication, assembly or integration of tangible goods beyond Earth's atmosphere (or...

A button cell, watch battery, or coin battery is a small single-cell battery shaped as a squat cylinder typically 5 to 25 mm (0.197 to 0.984 in) in diameter...

A rotary table is a precision work positioning device used in metalworking. It enables the operator to drill or cut work at exact intervals around a fixed...

Inkjet paper is a special fine paper designed for inkjet printers, typically classified by its weight, brightness and smoothness, and sometimes by its...

The xun lei chong (simplified Chinese: 迅雷铳; traditional Chinese: 迅雷銃; lit. 'Thundering fast firearm') is a revolving-barrel, spear-combined musket. The...

A soft landing is any type of aircraft, rocket or spacecraft landing that does not result in significant damage to or destruction of the vehicle or its...

VKS (ВКС) or VSSK (ВССК) is a Russian bullpup, straight-pull bolt-action, magazine-fed sniper rifle chambered for the 12.7×55mm STs-130 subsonic round...

A mainspring is a spiral torsion spring of metal ribbon—commonly spring steel—used as a power source in mechanical watches, some clocks, and other clockwork...