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HTTP cookies (also called web cookies, Internet cookies, browser cookies, or simply cookies) are small blocks of data created by a web server while a user...

In probability theory and statistics, the chi-squared distribution (also chi-square or χ 2 {\displaystyle \chi ^{2}} -distribution) with k {\displaystyle...

Pepper spray, oleoresin capsicum spray, OC spray, capsaicin spray, or capsicum spray is a lachrymator (tear gas) product containing the compound capsaicin...

In aeronautics, an aircraft propeller, also called an airscrew, converts rotary motion from an engine or other power source into a swirling slipstream...

Celestial navigation, also known as astronavigation, is the practice of position fixing using stars and other celestial bodies that enables a navigator...

Hypocapnia (from the Greek words υπό meaning below normal and καπνός kapnós meaning smoke), also known as hypocarbia, sometimes incorrectly called acapnia...

A seashell or sea shell, also known simply as a shell, is a hard, protective outer layer usually created by an animal or organism that lives in the sea...

The Fairchild C-123 Provider is an American military transport aircraft designed by Chase Aircraft and built by Fairchild Aircraft for the U.S. Air Force...

A ranking is a relationship between a set of items, often recorded in a list, such that, for any two items, the first is either "ranked higher than", "ranked...

DTS, Inc. (originally Digital Theater Systems) is an American company. DTS company makes multichannel audio technologies for film and video. Based in Calabasas...

An outcrop or rocky outcrop is a visible exposure of bedrock or ancient superficial deposits on the surface of the Earth. Outcrops do not cover the majority...

In Bayesian statistics, a maximum a posteriori probability (MAP) estimate is an estimate of an unknown quantity, that equals the mode of the posterior...

The Boeing KB-29 was a modified Boeing B-29 Superfortress for air refueling needs by the USAF. Two primary versions were developed and produced: KB-29M...

The Anatinae are a subfamily of the family Anatidae (swans, geese and ducks). Its surviving members are the dabbling ducks, which feed mainly at the surface...

Li (Chinese: 里, lǐ, or 市里, shìlǐ), also known as the Chinese mile,[citation needed] is a traditional Chinese unit of distance. The li has varied considerably...

Ameriflight LLC is an American cargo airline with headquarters at the Dallas/Fort Worth International Airport. It is the largest United States FAA Part...

Gymnures, also called hairy hedgehogs or moonrats, are mammals belonging to the subfamily Galericinae, in the family Erinaceidae and the order Eulipotyphla...

In set theory, an infinite set is a set that is not a finite set. Infinite sets may be countable or uncountable. The set of natural numbers (whose existence...

Digital signage is a segment of electronic signage. Digital displays use technologies such as LCD, LED, projection and e-paper to display digital images...

The Mikoyan MiG-27 (Russian: Микоян МиГ-27; NATO reporting name: Flogger-D/J) was a variable-sweep ground-attack aircraft, originally built by the Mikoyan-Gurevich...