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The Wright Flyer was the first powered flying machine built by the Wright brothers. -
assembly line is a manufacturing process in which parts are added as the semi-finished assembly moves from workstation to workstation where the parts are added in sequence until the final assembly is produced. -
is a device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied. -
is a type of rotorcraft that uses an unpowered rotor in free autorotation to develop lift. -
Philo Farnsworth with the invention of the TV. He filed a patent for the first completely electronic TV set in 1927 -
Penicillins are a group of antibiotics -
is a detection system that uses radio waves to determine the distance, angle, or velocity of objects. -
is an aircraft propelled by jet engines. Whereas the engines in propeller-powered aircraft generally achieve their maximum efficiency at much lower speeds and altitudes, jet engines achieve maximum efficiency at speeds close to or even well above the speed of sound -
is a device used to initiate and control a fission nuclear chain reaction or nuclear fusion reactions. -
is a semiconductor device used to amplify or switch electronic signals and electrical power. -
The history of computing hardware starting at 1960 is marked by the conversion from vacuum tube to solid-state devices such as transistors and then integrated circuit chips -
The first commercial microwave oven was tested in a Boston restaurant in 1947. -
An optical fiber is a flexible, transparent fiber made by drawing glass or plastic to a diameter slightly thicker than that of a human hair -
Sputnik 1 was the first artificial Earth satellite. It was launched into an elliptical low Earth orbit by the USSR on 4 October 1957 as part of the Soviet space -
On June 27, 1954, the world's first nuclear power station to generate electricity for a power grid, the Obninsk Nuclear Power Plant -
is a set of electronic circuits on one small flat piece of semiconductor material, usually silicon. -
s a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. -
s a semiconductor light source that emits light when current flows through it. -
is to communicate from one computer to another -
is a computer processor wherein the data processing logic and control is included on a single integrated circuit, or a small number of integrated circuits. -
is a free email service provided by Google -
is a portable telephone that can make and receive calls over a radio frequency link while the user is moving within a telephone service area -
is a multi-purpose computer whose size, capabilities, and price make it feasible for individual use -
is a collection of networking standards that cover the physical and data-link layer specifications for technologies such as Ethernet and wireless. -
is a group of several proprietary graphical operating system families, all of which are developed and marketed by Microsoft. -
is a digital optical disc data storage format invented and developed in 1995 -
is the wireless technology used to connect computers, tablets, smartphones and other devices to the internet.