(CNN) — Really, it’s an anti-gravity machine. That’s what I’m thinking as I stand under the looming shadow of Goodyear’s new Zeppelin. The helium inside this gigantic thing makes it repel gravity. Its ...
China has quietly switched on a machine that can subject objects to gravity up to 1,900 times stronger than what we feel at Earth’s surface, compressing decades of wear, stress, and catastrophe into a ...
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