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A psychiatrist is a physician who specializes in psychiatry. Psychiatrists are physicians and evaluate patients to determine whether their symptoms are...

A hash function is any function that can be used to map data of arbitrary size to fixed-size values, though there are some hash functions that support...

In October 1973, the Organization of Arab Petroleum Exporting Countries (OAPEC) announced that it was implementing a total oil embargo against the countries...

The Curtiss P-40 Warhawk is an American single-engined, single-seat, all-metal fighter-bomber that first flew in 1938. The P-40 design was a modification...

An acronym, a type of abbreviation, is a word or name consisting of a phrase whose only pronounced elements are the initial letters or initial sounds of...

RSA (Rivest–Shamir–Adleman) is a public-key cryptosystem, one of the oldest widely used for secure data transmission. The initialism "RSA" comes from the...

A modulator-demodulator or modem is a computer hardware device that converts data from a digital format into a format suitable for an analog transmission...

Volvo Cars (Swedish: Volvo personvagnar, styled VOLVO in the company's logo) is a Swedish multinational manufacturer of luxury vehicles. Volvo is headquartered...

A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows...

Uluru (/ˌuːləˈruː/; Pitjantjatjara: Uluṟu [ˈʊlʊɻʊ]), also known as Ayers Rock (/ˈɛərz/ AIRS) and officially gazetted as Uluru / Ayers Rock, is a large...

Flora of China is a scientific publication aimed at describing the plants native to China. The project is a collaborative scientific effort to publish...

Carl Ransom Rogers (January 8, 1902 – February 4, 1987) was an American psychologist who was one of the founders of humanistic psychology and was known...

Chandrayaan-1 (pronunciation; from Sanskrit: Chandra, "Moon" and yāna, "craft, vehicle") was the first Indian lunar probe under the Chandrayaan programme...

Lenz's law states that the direction of the electric current induced in a conductor by a changing magnetic field is such that the magnetic field created...

Feeding is the process by which organisms, typically animals, obtain food (animals eat a verity of food with different food behaviors. Terminology often...

Pulkovo Airport (Russian: Аэропорт Пулково, IPA: [ˈpuɫkəvə]) (IATA: LED, ICAO: ULLI) is an international airport serving St. Petersburg, Russia. It consists...

Rounding or rounding off means replacing a number with an approximate value that has a shorter, simpler, or more explicit representation. For example,...

Aviation safety is the study and practice of managing risks in aviation. This includes preventing aviation accidents and incidents through research, educating...

A gas mask is an item of personal protective equipment used to protect the wearer from inhaling airborne pollutants and toxic gases. The mask forms a sealed...

Involuntary commitment, civil commitment, or involuntary hospitalization/hospitalisation is a legal process through which an individual who is deemed by...