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Videotelephony (also known as videoconferencing or video call) is the use of audio and video for real-time communication between people. Videophones are...

The Microsoft Windows operating system supports a form of shared libraries known as "dynamic-link libraries", which are code libraries that can be used...

Push-to-talk (PTT), also known as press-to-transmit, is a method of having conversations or talking on half-duplex communication lines, including two-way...

The Secretariat of Infrastructure, Communications and Transportation (Secretaría de Infraestructura, Comunicaciones y Transportes, SICT) of Mexico is the...

Chemical milling or industrial etching is the subtractive manufacturing process of using baths of temperature-regulated etching chemicals to remove material...

Soyuz TM-26 was a Russian spaceflight that ferried cosmonauts and supplies to Mir. It was the 32nd expedition to Mir. It was launched by a Soyuz-U rocket...

Soyuz TM-25 was a crewed Soyuz spaceflight, which launched on February 10, 1997. It transported Russian cosmonauts Vasily Tsibliyev, Aleksandr Lazutkin...

Vladimir Haensel (1 September 1914 – 15 December 2002) was an American chemical engineer who invented the platforming process - a platinum catalytic process...

A mobile phone signal (also known as reception and service) is the signal strength (measured in dBm) received by a mobile phone from a cellular network...

White-box testing (also known as clear box testing, glass box testing, transparent box testing, and structural testing) is a method of software testing...

In metalworking, forming is the fashioning of metal parts and objects through mechanical deformation; the workpiece is reshaped without adding or removing...

The M25 Sniper Weapon System is a joint venture precision rifle built for the U.S. Army Special Forces and the U.S. Navy SEALs. It was originally developed...

The Lahti L-39 is a Finnish 20 mm anti-tank rifle used during the Second World War. It had excellent accuracy, penetration and range, but its size made...

An isotropic radiator is a theoretical point source of waves which radiates the same intensity of radiation in all directions. It may be based on sound...

Microsoft Office Project Portfolio Server is a discontinued project portfolio management application from Microsoft. It was part of its Enterprise Project...

A short backfire antenna (or short back-fire, SBA, SBF or SBFA) is a type of a directional antenna, characterized by high gain, relatively small size,...

The Festival Speech Synthesis System is a general multi-lingual speech synthesis system originally developed by Alan W. Black, Paul Taylor and Richard...

The FN Special Police Rifle (FN SPR) is a bolt-action sniper rifle marketed by FNH USA, a subsidiary of the Belgian company FN Herstal. The rifle is manufactured...

The flash pan or priming pan is a small receptacle for priming powder, found next to the touch hole on muzzle-loading guns. Flash pans are found on gonnes...

The term wet scrubber describes a variety of devices that remove pollutants from a furnace flue gas or from other gas streams. In a wet scrubber, the polluted...