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Falling

Radiolab

00:00

What Is Gravity?

Einstein walked us 17 steps and I just made the last baby step. So whenever you're faced with a gravitational problem this allowed you to ignore gravity and translate it into a problem about motion. Does that solve the what is gravity question? No. He then had to make one more leap. And it's not obvious how he took the final step. But the final step was to realize that what is gravity is the curvature of space and time. That's a leap. It seems like gravity and being pulled up really fast. They're the same thing. They are. You just have the insight on your own.

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