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Biodiversity (or biological diversity) is the variety and variability of life on Earth. It can be measured on various levels. There is for example genetic...

MP3 (formally MPEG-1 Audio Layer III or MPEG-2 Audio Layer III) is a coding format for digital audio developed largely by the Fraunhofer Society in Germany...

A firearm is any type of gun that uses an explosive charge and is designed to be readily carried and used by an individual. The term is legally defined...

ANSI escape sequences are a standard for in-band signaling to control cursor location, color, font styling, and other options on video text terminals and...

A coral reef is an underwater ecosystem characterized by reef-building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate...

A space suit or spacesuit is a garment worn to keep a human alive in the harsh environment of outer space, vacuum and temperature extremes. Space suits...

The history of mobile phones covers mobile communication devices that connect wirelessly to the public switched telephone network. While the transmission...

The Ford Explorer is a range of SUVs manufactured by Ford Motor Company since the 1991 model year. As the first four-door SUV produced by Ford, the Explorer...

Topography is the study of the forms and features of land surfaces. The topography of an area may refer to the land forms and features themselves, or a...

4G is the fourth generation of broadband cellular network technology, succeeding 3G and preceding 5G. A 4G system must provide capabilities defined by...

China Airlines (CAL; Chinese: 中華航空; pinyin: Zhōnghuá Hángkōng; Pe̍h-ōe-jī: Tiong-hôa Hâng-khong) is the state-owned flag carrier of the Republic of China...

The full stop (Commonwealth English), period (North American English), or full point . is a punctuation mark used for several purposes, most often to mark...

Hyperthyroidism is the condition that occurs due to excessive production of thyroid hormones by the thyroid gland. Thyrotoxicosis is the condition that...

Extensible Messaging and Presence Protocol (XMPP, originally named Jabber) is an open communication protocol designed for instant messaging (IM), presence...

Sequoiadendron giganteum, also known as the giant sequoia, giant redwood or Sierra redwood is a coniferous tree, classified in the family Cupressaceae...

Look up incense in Wiktionary, the free dictionary. Incense is an aromatic biotic material that releases fragrant smoke when burnt. The term is used for...

Polyploidy is a condition in which the cells of an organism have more than one pair of (homologous) chromosomes. Most species whose cells have nuclei (eukaryotes)...

The Wankel engine (/ˈvaŋkəl̩/, VUN-kell) is a type of internal combustion engine using an eccentric rotary design to convert pressure into rotating motion...

GLONASS (ГЛОНАСС, IPA: [ɡɫɐˈnas]; Russian: Глобальная навигационная спутниковая система, tr. Global'naya Navigatsionnaya Sputnikovaya Sistema, lit. 'Global...

A spinal disc herniation is an injury to the intervertebral disc between two spinal vertebrae, usually caused by excessive strain or trauma to the spine...