China Built a Colossal Underground Hypergravity Machine to Compress Space, Centuries of Time Into Mere Days

China Built a Colossal Underground Hypergravity Machine to Compress Space, Centuries of Time Into Mere Days

The Daily Galaxy science

Key Points:

  • Deep beneath the city of Hangzhou, engineers recently completed the installation of a massive rotating machine. The device sits inside a 230-square-meter circular subterranean chamber positioned 15 me

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