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A nuclear reactor is a device used to initiate and control a fission nuclear chain reaction. Nuclear reactors are used at nuclear power plants for electricity...

Immortality is the concept of eternal life. Some species possess 'biological immortality' due to an apparent lack of the Hayflick limit. Some scientists...

The fuselage (/ˈfjuːzəlɑːʒ/; from the French fuselé "spindle-shaped") is an aircraft's main body section. It holds crew, passengers, or cargo. In single-engine...

Scholia has a profile for Louis de Broglie (Q83331). Louis Victor Pierre Raymond, 7th Duc de Broglie (/də ˈbroʊɡli/, also US: /də broʊˈɡliː, də ˈbrɔɪ/;...

Records and firsts in spaceflight are broadly divided into crewed and uncrewed categories. Records involving animal spaceflight have also been noted in...

Registry of Toxic Effects of Chemical Substances (RTECS) is a database of toxicity information compiled from the open scientific literature without reference...

ISO 639 is a standard by the International Organization for Standardization (ISO) concerned with representation of languages and language groups. It currently...

An ascus (from Ancient Greek ἀσκός (askós) 'skin bag, wineskin'; pl.: asci) is the sexual spore-bearing cell produced in ascomycete fungi. Each ascus usually...

The Igbo calendar (Igbo: Ọ̀gụ́àfọ̀ Ị̀gbò[citation needed]) is the traditional calendar system of the Igbo people from present-day Nigeria. The calendar...

Paraldehyde is the cyclic trimer of acetaldehyde molecules. Formally, it is a derivative of 1,3,5-trioxane, with a methyl group substituted for a hydrogen...

Eluxadoline, sold under the brand names Viberzi and Truberzi, is a medication taken by mouth for the treatment of diarrhea and abdominal pain in individuals...

Friedrich August Kekulé, later Friedrich August Kekule von Stradonitz (/ˈkeɪkəleɪ/ KAY-kə-lay, German: [ˈfʁiːdʁɪç ˈʔaʊɡʊst ˈkeːkuleː fɔn ʃtʁaˈdoːnɪts];...

Child mortality is the death of children under the age of five. The child mortality rate (also under-five mortality rate) refers to the probability of...

A detonator is a device used to make an explosive or explosive device explode. Detonators come in a variety of types, depending on how they are initiated...

Ethylbenzodioxolylbutanamine (EBDB; Ethyl-J) is a lesser-known entactogen, stimulant, and psychedelic of the phenethylamine, amphetamine, and phenylisobutylamine...

Dog anatomy comprises the anatomical study of the visible parts of the body of a domestic dog. Details of structures vary tremendously from breed to breed...

The van der Waals radius, rw, of an atom is the radius of an imaginary hard sphere representing the distance of closest approach for another atom. It is...

Borland Software Corporation was a computing technology company founded in 1983 by Niels Jensen, Ole Henriksen, Mogens Glad, and Philippe Kahn. Its main...

A read–eval–print loop (REPL), also termed an interactive toplevel or language shell, is a simple interactive computer programming environment that takes...

Program management is the process of managing several related projects, often with the intention of improving an organization's performance. It is distinct...