A video game is an electronic game that involves interaction with a user interface or input device (such as a joystick, controller, keyboard, or motion sensing device) to generate visual feedback from a display device, most commonly shown in a video format on a television set, computer monitor, flat-panel display or touchscreen on handheld devices, […]
Elvis Aaron Presley (January 8, 1935 – August 16, 1977), often referred to mononymously as Elvis, was an American singer, actor and sergeant in the United States Army. Dubbed the “King of Rock and Roll”, he is regarded as one of the most significant cultural figures of the 20th century. His energized interpretations of songs
An operating system (OS) is system software that manages computer hardware and software resources, and provides common services for computer programs.
The Journal of Applied Crystallography is a peer-reviewed scientific journal published by Wiley-Blackwell on behalf of the International Union of Crystallography. It was established in 1968 and covers the application of crystallography and crystallographic techniques. William Parrish (1914–1991) chaired the committee that started the journal. The Journal of Applied Crystallography publishes articles on the crystallographic
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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 and 1 to 6 mm (0.039 to 0.236 in) high — resembling a button. Stainless steel usually forms the bottom body and positive terminal of the
Radiocarbon dating (also referred to as carbon dating or carbon-14 dating) is a method for determining the age of an object containing organic material by using the properties of radiocarbon, a radioactive isotope of carbon.
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An environmentally-friendly red-light flare was a pyrotechnic (firework) flare which used lithium-based formulations that emitted red light. A flare is used for signaling, illumination, or defensive countermeasures in civilian or military applications. It is based on a non-hygroscopic (not absorbing air) dilithium nitrogen-rich salt that served as an oxidizer and red colorant. The U.S. Army
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The Francis P. Garvan–John M. Olin Medal is an annual award that recognizes distinguished scientific accomplishment, leadership and service to chemistry by women chemists. The Award is offered by the American Chemical Society (ACS), and consists of a cash prize (US$5,000) and a medal. The medal was designed by Margaret Christian Grigor.
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A user is a person who uses a product or service. The term “user” can refer to anyone who uses a computer, software, website, or other type of technology for any purpose. Users can range from casual users who only occasionally use a product or service, to more frequent or advanced users who have a