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A bracket is either of two tall fore- or back-facing punctuation marks commonly used to isolate a segment of text or data from its surroundings. They come...

Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye's iris and the frequency-dependence of the scattering...

A headlamp is a lamp attached to the front of a vehicle to illuminate the road ahead. Headlamps are also often called headlights, but in the most precise...

The prisoner's dilemma is a game theory thought experiment that involves two rational agents, each of whom can cooperate for mutual benefit or betray their...

A personal digital assistant (PDA) is a multi-purpose mobile device which functions as a personal information manager. PDAs have been mostly displaced...

Objective-C is a high-level general-purpose, object-oriented programming language that adds Smalltalk-style messaging to the C programming language. Originally...

In biology, detritus (/dɪˈtraɪtəs/) or (/dɛˈtrɪtəs/) is dead particulate organic material, as distinguished from dissolved organic material. Detritus typically...

A Usenet newsgroup is a repository usually within the Usenet system, for messages posted from users in different locations using the Internet. They are...

Embarrassment or awkwardness is an emotional state that is associated with mild to severe levels of discomfort, and which is usually experienced when someone...

Superstring theory is an attempt to explain all of the particles and fundamental forces of nature in one theory by modeling them as vibrations of tiny...

Babylonian astronomy was the study or recording of celestial objects during the early history of Mesopotamia. The numeral system used, sexagesimal, was...

Symmetric multiprocessing or shared-memory multiprocessing (SMP) involves a multiprocessor computer hardware and software architecture where two or more...

The Zoological Society of London (ZSL) is a charity devoted to the worldwide conservation of animals and their habitats. It was founded in 1826. Since...

Copra (from Tamil: கொப்பரை, Kopparai; Malayalam: കൊപ്ര, Koppara/Kopra; Kannada: ಕೊಬ್ಬರಿ, Kobbari; Telugu: కొబ్బరి, Kobbari) is the dried, white flesh of...

The Yakovlev Yak-40 (Russian: Яковлев Як-40; NATO reporting name: Codling) is a regional jet designed by Yakovlev. The trijet's maiden flight was in 1966...

Dihydromorphine (Paramorfan, Paramorphan) is a semi-synthetic opioid structurally related to and derived from morphine. The 7,8-double bond in morphine...

Shandong Airlines Co,.Ltd. (Chinese: 山东航空; pinyin: Shāndōng Hángkōng; nicknamed SDA or 山航; Shānháng) is an airline based in the Shandong Airlines Center...

Psychedelic art (also known as psychedelia) is art, graphics or visual displays related to or inspired by psychedelic experiences and hallucinations known...

Wood finishing refers to the process of refining or protecting a wooden surface, especially in the production of furniture where typically it represents...

A parabolic (or paraboloid or paraboloidal) reflector (or dish or mirror) is a reflective surface used to collect or project energy such as light, sound...