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H T F O T Technology that’s OU Space tower
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Russian scientist Konstantin Tsiolkovsky came up with the idea of building a tower into space, with a satellite at the top that could be used by spaceships on their way to oTher planeTs. He worked out the math to make it happen, but his ideas never got off the ground.
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Space Race The world’s first satellite, Sputnik 1, was rocketed into orbit by the Soviet Union in 1957. The country’s bitter rival, the United States, had been developing its own satellite and was furious to have lost the first episode of what became known as the Space Race. The first US satellite, ExplorEr 1, was launched just three months later.
dn’t have happen l u o c ed It wit ho ut
… Alessandro Volta invented the world’s first batteRy, the voltaic pile, in 1800.
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Radio signals are used both to direct satellites and to receive information from them.