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In optics, the refractive index (or refraction index) of an optical medium is a dimensionless number that gives the indication of the light bending ability...

Cellular respiration is the process by which biological fuels are oxidized in the presence of an inorganic electron acceptor, such as oxygen, to drive...

A foundry is a factory that produces metal castings. Metals are cast into shapes by melting them into a liquid, pouring the metal into a mold, and removing...

The iPod Classic (stylized and marketed as iPod classic and originally simply iPod) is a discontinued portable media player created and formerly marketed...

A micrograph or photomicrograph is a photograph or digital image taken through a microscope or similar device to show a magnified image of an object. This...

In computing, a removable media is a data storage media that is designed to be readily inserted and removed from a system. Most early removable media,...

Hardware acceleration is the use of computer hardware designed to perform specific functions more efficiently when compared to software running on a general-purpose...

Methcathinone /ˌmɛθˈkæθɪˌnoʊn/ (α-methylamino-propiophenone or ephedrone) (sometimes called "cat" or "jeff" or "catnip" or "M-Kat" or "kat" or "intash")...

Orobanchaceae, the broomrapes, is a family of mostly parasitic plants of the order Lamiales, with about 90 genera and more than 2000 species. Many of these...

The mediastinum (from Medieval Latin: mediastinus, lit. 'midway';pl.: mediastina) is the central compartment of the thoracic cavity. Surrounded by loose...

A dichotomy /daɪˈkɒtəmi/ is a partition of a whole (or a set) into two parts (subsets). In other words, this couple of parts must be jointly exhaustive:...

Email marketing is the act of sending a commercial message, typically to a group of people, using email. In its broadest sense, every email sent to a potential...

A halo (from Ancient Greek ἅλως (hálōs) 'threshing floor, disk') is an optical phenomenon produced by light (typically from the Sun or Moon) interacting...

The European herring gull (Larus argentatus) is a large gull, up to 66 cm (26 in) long. It breeds throughout the northern and western coasts of Europe...

InfoTrac is a family of full-text databases of content from academic journals and general magazines, of which the majority are targeted to the English-speaking...

The Messerschmitt Me 210 was a German heavy fighter and ground-attack aircraft of World War II. Design started before the war, as a replacement for the...

A boilermaker is a tradesperson who fabricates steels, iron, or copper into boilers and other large containers intended to hold hot gas or liquid, as well...

Google Pigeon is the code name given to one of Google's local search algorithm updates. This update was released on July 24, 2014. It is aimed to increase...

An anti-tank rifle is an anti-materiel rifle designed to penetrate the armor of armored fighting vehicles, most commonly tanks, armored personnel carriers...

In computing, text-based user interfaces (TUI) (alternately terminal user interfaces, to reflect a dependence upon the properties of computer terminals...