This educational short video explores a fascinating scientific thought experiment about what happens when jumping into a hypothetical hole dug straight through the center of the planet. Driven by ...

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StarTalk explores a playful science question about what might happen if you could dig a hole through Earth and jump in.

When I was a kid, I liked to dig holes in my backyard in Cincinnati. My grandfather joked that if I kept digging, I would end up in China. In fact, if I had been able to dig straight through the ...