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Windows 10 is a major release of Microsoft's Windows NT operating system. It is the direct successor to Windows 8.1, which was released nearly two years...

Petroleum or crude oil, also referred to as simply oil, is a naturally occurring yellowish-black liquid mixture of mainly hydrocarbons, and is found in...

A satellite or artificial satellite is an object, typically a spacecraft, placed into orbit around a celestial body. Satellites have a variety of uses...

A revolver is a repeating handgun that has at least one barrel and uses a revolving cylinder containing multiple chambers (each holding a single cartridge)...

In guns, particularly firearms, but not artillery, where a different definition may apply[citation needed], caliber (or calibre; sometimes abbreviated...

IUPAC definition A polymer is a substance composed of macromolecules. A macromolecule is a molecule of high relative molecular mass, the structure of which...

A wind turbine is a device that converts the kinetic energy of wind into electrical energy. As of 2020[update], hundreds of thousands of large turbines...

A solar cell or photovoltaic cell (PV cell) is an electronic device that converts the energy of light directly into electricity by means of the photovoltaic...

Advanced Video Coding (AVC), also referred to as H.264 or MPEG-4 Part 10, is a video compression standard based on block-oriented, motion-compensated coding...

Adobe Flash (formerly Macromedia Flash and FutureSplash) is a discontinued multimedia software platform used for production of animations, rich internet...

In radio engineering, an antenna (American English) or aerial (British English) is the interface between radio waves propagating through space and electric...

React (also known as React.js or ReactJS) is a free and open-source front-end JavaScript library for building user interfaces based on components by Facebook...

John pork A remotely operated underwater vehicle (ROUV)[citation needed] or remotely operated vehicle (ROV) is a free-swimming submersible craft used to...

KDE is an international free software community that develops free and open-source software. As a central development hub, it provides tools and resources...

Ingenuity, nicknamed Ginny, is an autonomous NASA helicopter that operated on Mars from 2021 to 2024 as part of the Mars 2020 mission. Ingenuity made its...

A heat pump is a device that consumes work (or electricity) to transfer heat from a cold heat sink to a hot heat sink. Specifically, the heat pump transfers...

International direct dialing (IDD) or international subscriber dialling (ISD) is placing an international telephone call, dialed directly by a telephone...

The AA battery (or double-A battery) is a standard size single cell cylindrical dry battery. The IEC 60086 system calls the size R6, and ANSI C18 calls...

The idea of sending humans to Mars has been the subject of aerospace engineering and scientific studies since the late 1940s as part of the broader exploration...

Fitbit is a line of wireless-enabled wearable technology, physical fitness monitors and activity trackers such as smartwatches, pedometers and monitors...