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A small satellite, miniaturized satellite, or smallsat is a satellite of low mass and size, usually under 1,200 kg (2,600 lb). While all such satellites...

A piston is a component of reciprocating engines, reciprocating pumps, gas compressors, hydraulic cylinders and pneumatic cylinders, among other similar...

A smartwatch is a portable and wearable computer device in a form of a watch; modern smartwatches provide a local touchscreen interface for daily use,...

In the 1950s and 1960s, computer operating software and compilers were delivered as a part of hardware purchases without separate fees. At the time, source...

The pebble-bed reactor (PBR) is a design for a graphite-moderated, gas-cooled nuclear reactor. It is a type of very-high-temperature reactor (VHTR), one...

A distribution network operator (DNO), also known as a distribution system operator (DSO), is the operator of the electric power distribution system which...

A cypherpunk is any individual advocating widespread use of strong cryptography and privacy-enhancing technologies as a route to social and political change...

Bituminous waterproofing systems are designed to protect residential and commercial buildings. Bitumen (asphalt or coal-tar pitch) is a material made up...

A keychain (/ˈkitʃeɪn/ ) (also key fob or keyring) is a small ring or chain of metal to which several keys can be attached. The length of a keychain allows...

R4 nuclear reactor was a nuclear reactor built at Marviken, Vikbolandet and the fourth nuclear reactor built in Sweden. It was heavy water moderated and...

A web widget is a web page or web application that is embedded as an element of a host web page but which is substantially independent of the host page...

A digital identity is data stored on computer systems relating to an individual, organization, application, or device. For individuals, it involves the...

Pioneer Energy LP (formerly Pioneer Petroleums), commonly referred to as Pioneer, is a gas retailer and convenience store operator, with locations in Ontario...

The Sony Xperia Z1 is an Android smartphone produced by Sony. The Z1, at that point known by the project code name "Honami", was unveiled during a press...

DANDE (or Drag and Atmospheric Neutral Density Explorer) is a 50 kg class spacecraft developed by the University of Colorado Boulder was the winner of...

A digital subscriber line (DSL) modem is a device used to connect a computer or router to a telephone line which provides the digital subscriber line (DSL)...

The AKMSU (Russian: АКМСУ) is the name attributed to a compact carbine derived from the Soviet AKM, chambered in 7.62×39mm. The carbine was commonly thought...

In telephony, an automated attendant (also auto attendant, auto-attendant, autoattendant, automatic phone menus, AA, or virtual receptionist) allows callers...

A plug door is a door designed to seal itself by taking advantage of pressure difference on its two sides and is typically used on aircraft with cabin...

Huawei Ascend G330 is a budget smartphone made by Huawei. It went on sale in October 2012. It runs the Android 4.0.4 operating system. It has a 1 GHz dual...