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Paleobotany, also spelled as palaeobotany, is the branch of botany dealing with the recovery and identification of plant remains from geological contexts...

Direct memory access (DMA) is a feature of computer systems that allows certain hardware subsystems to access main system memory independently of the central...

In linear algebra, an orthogonal matrix, or orthonormal matrix, is a real square matrix whose columns and rows are orthonormal vectors. One way to express...

A propellant (or propellent) is a mass that is expelled or expanded in such a way as to create a thrust or another motive force in accordance with Newton's...

Alphavirus is a genus of RNA viruses, the sole genus in the Togaviridae family. Alphaviruses belong to group IV of the Baltimore classification of viruses...

China National Offshore Oil Corporation, or CNOOC Group (Chinese: 中国海洋石油总公司; pinyin: Zhōngguó Háiyáng Shíyóu Zǒnggōngsī), is the third-largest national...

The PowerBook G3 is a series of laptop Macintosh personal computers designed, manufactured, and sold by Apple Computer from 1997 to 2001. It was the first...

Aerojet was an American rocket and missile propulsion manufacturer based primarily in Rancho Cordova, California, with divisions in Redmond, Washington...

The tarsometatarsus is a bone that is only found in the lower leg of birds and some non-avian dinosaurs. It is formed from the fusion of several bones...

The Samsung Wave (or Samsung Wave GT-S8500) is a smartphone developed and produced by Samsung Electronics. It is the first smartphone to run the Bada operating...

Sharks portal Hemitriakis is a genus of houndsharks in the family Triakidae. Hemitriakis abdita Compagno & Stevens, 1993 (deepwater sicklefin houndshark)...

Vickers plc was the remainder of Vickers-Armstrongs after the nationalisation of three of its four operating groups: aviation (as a 50% share since 1960...

Zorro II is the general purpose expansion bus used by the Amiga 2000 computer. The bus is mainly a buffered extension of the Motorola 68000 bus, with support...

Joseph Percival "Joe" Allen IV (born June 27, 1937) is an American former NASA astronaut. He logged more than 3,000 hours flying time in jet aircraft....

StuffIt is a discontinued family of computer software utilities for archiving and compressing files. Originally produced for Macintosh, versions for Microsoft...

The eulachon (/ˈjuːləkɒn/ (Thaleichthys pacificus), also spelled oolichan /ˈuːlɪkɑːn/, ooligan /ˈuːlɪɡən/, hooligan /ˈhuːlɪɡən/), or the candlefish, is...

In television, a ghost is a replica of the transmitted image, offset in position, that is superimposed on top of the main image. It is often caused when...

Slow-scan television (SSTV) is a picture transmission method, used mainly by amateur radio operators, to transmit and receive static pictures via radio...

Sun Java System was a brand used by Sun Microsystems to market computer software. The Sun Java System brand superseded the Sun ONE brand in September 2003...

The Blériot-SPAD S.46 was a small French airliner of the 1920s, developed from the Blériot-SPAD S.33. Like its predecessor, it was a conventional biplane...