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The Mikoyan-Gurevich MiG-105, part of the Spiral program, was a crewed test vehicle to explore low-speed handling and landing. It was a visible result...

Web mapping or an online mapping is the process of using, creating, and distributing maps on the World Wide Web (the Web), usually through the use of Web...

AS-201 (Also known as SA-201 or Apollo 1-A), flown February 26, 1966, was the first uncrewed test flight of an entire production Block I Apollo command...

An apogee kick motor (AKM) is a rocket motor that is regularly employed on artificial satellites to provide the final impulse to change the trajectory...

The Manned Maneuvering Unit (MMU) is an astronaut propulsion unit that was used by NASA on three Space Shuttle missions in 1984. The MMU allowed the astronauts...

A pintle is a pin or bolt, usually inserted into a gudgeon, which is used as part of a pivot or hinge. Other applications include pintle and lunette ring...

A direct-conversion receiver (DCR), also known as homodyne, synchrodyne, or zero-IF receiver, is a radio receiver design that demodulates the incoming...

An energy-plus building (also called: plus energy building, plus-energy house, efficiency-plus house) produces more energy from renewable energy sources...

Founded in 1985 by George A. Koopman, Bevin McKinney and Jim Bennett, veterans of Starstruck Inc., the American Rocket Company, or AMROC, was a California-based...

The Meunier rifle, known as the "Meunier A6" or "STA No. 8", evolved as a part of the program initiated in 1890 by the French military to develop a semi-automatic...

Beal Aerospace was a launch vehicle development company founded in February 1997 by Andrew Beal, president of Beal Bank in Dallas, Texas. Headquartered...

In radio and telecommunication, a traveling-wave antenna is a class of antenna that uses a traveling wave on a guiding structure as the main radiating...

The Weibel M/1932 was a light machine gun concept of Danish origin and was considered to supplement the Madsen gun in Danish service. It was fed from a...

Multi-utility relates to companies offering a wide range of services and/or products. In the business market, this type of service provision usually relates...

Invisible mail, also referred to as iMail, i-mail or Bote mail, is a method of exchanging digital messages from an author to one or more recipients in...