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EntertainmentMay 14: America's first space station is launched into space
Skylab is the first US space station, developed by NASA aviation agency.IBM is about to launch a smaller computer than a grain of salt
Despite its small size, this computer has the computing power of x86 chips since 1990.
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Can carp live 10 years in a tank without feeding?
Why do Italy and Switzerland have to redraw the border?
Japanese bullet train accident-free for 60 years
The world's most crowded apartment building: Can accommodate up to 30,000 people, the view inside is overwhelming
World's oldest wine jar contains cremated human bones
America catches strange signal from 1.3 billion light years away from Earth
Two black holes closest to Earth discovered, of a kind never seen before
Solar sails help spacecraft reach Mars in 26 days
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