Salyut 1 (DOS-1) (Russian: Салют-1) was the world’s first space station launched into low Earth orbit by the Soviet Union on April 19, 1971. The Salyut program followed this with five more successful launches of seven more stations. The final module of the program, Zvezda (DOS-8), became the core of the Russian segment of the International Space Station and remains in orbit.
invented by John Ambrose Fleming
The Fleming valve, also called the Fleming oscillation valve, was a thermionic…
invented by Alexander M. Nicholson
A crystal oscillator is an electronic oscillator circuit that uses the…
invented by Xerox PARC
Produced at Xerox PARC by Butler Lampson, Charles Simonyi and colleagues.
invented by Akira Yoshino John B. Goodenough Rachid Yazami
A lithium-ion battery or Li-ion battery is a type of rechargeable battery in…
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