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Stroke (also known as a cerebrovascular accident (CVA) or brain attack) is a medical condition in which poor blood flow to the brain causes cell death...

A programming language is a system of notation for writing computer programs. Programming languages are described in terms of their syntax (form) and semantics...

Deutsche Lufthansa AG (German pronunciation: [ˌdɔʏtʃə ˈlʊfthanzaː ʔaːˈɡeː] ) is the flag carrier of Germany. When combined with its subsidiaries, it ranks...

Washington Dulles International Airport (/ˈdʌlɪs/ DUL-iss; IATA: IAD, ICAO: KIAD, FAA LID: IAD) is an international airport in Loudoun County and Fairfax...

"NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response" is a standard maintained by the U.S.-based National...

An unidentified flying object (UFO), or unidentified anomalous phenomenon (UAP), is any perceived airborne, submerged or transmedium phenomenon that cannot...

The United States Armed Forces uses a wide variety of military aircraft across the respective aviation arms of its various service branches. The numbers...

Information theory is the mathematical study of the quantification, storage, and communication of information. The field was originally established by...

Waveform Audio File Format (WAVE, or WAV due to its filename extension; pronounced /wæv/ or /weɪv/ ) is an audio file format standard for storing an audio...

This article contains special characters. Without proper rendering support, you may see question marks, boxes, or other symbols. Fennel (Foeniculum vulgare)...

Varieties of the color green may differ in hue, chroma (also called saturation or intensity) or lightness (or value, tone, or brightness), or in two or...

Ultra high frequency (UHF) is the ITU designation for radio frequencies in the range between 300 megahertz (MHz) and 3 gigahertz (GHz), also known as the...

Gun laws and policies, collectively referred to as firearms regulation or gun control, regulate the manufacture, sale, transfer, possession, modification...

Videotelephony (also known as videoconferencing or video call, or seldomly CCTV) is the use of audio and video for real-time communication between people...

Nitrate is a polyatomic ion with the chemical formula NO− 3. Salts containing this ion are called nitrates. Nitrates are common components of fertilizers...

Wildebeest (/ˈwɪldɪbiːst/ WIL-dib-eest, /ˈvɪl-/ VIL-, /-dəb-/ -⁠dəb-), also called gnu (/njuː/ new or /nuː/ noo), are antelopes of the genus Connochaetes...

An accelerometer is a device that measures the proper acceleration of an object. Proper acceleration is the acceleration (the rate of change of velocity)...

A photovoltaic system, also called a PV system or solar power system, is an electric power system designed to supply usable solar power by means of photovoltaics...

Fossilworks is a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database, a large relational database...

The thumb is the first digit of the hand, next to the index finger. When a person is standing in the medical anatomical position (where the palm is facing...