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An optical fiber, or optical fibre, is a flexible glass or plastic fiber that can transmit light from one end to the other. Such fibers find wide usage...

In slang, a troll is a person who posts deliberately offensive or provocative messages online (such as in social media, a newsgroup, a forum, a chat room...

Spectroscopy is the field of study that measures and interprets electromagnetic spectrum. In narrower contexts, spectroscopy is the precise study of color...

Microsoft DirectX is a collection of application programming interfaces (APIs) for handling tasks related to multimedia, especially game programming and...

Cladistics (/kləˈdɪstɪks/ klə-DIST-iks; from Ancient Greek κλάδος kládos 'branch') is an approach to biological classification in which organisms are categorized...

In statistics and control theory, Kalman filtering (also known as linear quadratic estimation) is an algorithm that uses a series of measurements observed...

Jules Henri Poincaré (UK: /ˈpwæ̃kɑːreɪ/, US: /ˌpwæ̃kɑːˈreɪ/; French: [ɑ̃ʁi pwɛ̃kaʁe] ; 29 April 1854 – 17 July 1912) was a French mathematician, theoretical...

A cladogram (from Greek clados "branch" and gramma "character") is a diagram used in cladistics to show relations among organisms. A cladogram is not,...

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

In computer science, a search algorithm is an algorithm designed to solve a search problem. Search algorithms work to retrieve information stored within...

Automotive safety is the study and practice of automotive design, construction, equipment and regulation to minimize the occurrence and consequences of...

Hydrogeology (hydro- meaning water, and -geology meaning the study of the Earth) is the area of geology that deals with the distribution and movement of...

A quill is a writing tool made from a moulted flight feather (preferably a primary wing-feather) of a large bird. Quills were used for writing with ink...

Moxonidine (INN) is a new-generation alpha-2/imidazoline receptor agonist antihypertensive drug licensed for the treatment of mild to moderate essential...

Glanders is a contagious zoonotic infectious disease that occurs primarily in horses, mules, and donkeys. It can be contracted by other animals, such as...

The Original Chip Set (OCS) is a chipset used in the earliest Commodore Amiga computers and defined the Amiga's graphics and sound capabilities. It was...

The medicine of the ancient Egyptians is some of the oldest documented. From the beginnings of the civilization in the late fourth millennium BC until...

Neuroprosthetics (also called neural prosthetics) is a discipline related to neuroscience and biomedical engineering concerned with developing neural prostheses...

BFGoodrich is an American tire brand. Originally part of the industrial conglomerate Goodrich Corporation, it was acquired in 1990 (along with Uniroyal...

The sharp-shinned hawk (Accipiter striatus) or northern sharp-shinned hawk, commonly known as a sharpie, is a small hawk, with males being the smallest...