Imagine swinging a rock over your head in a circle, on a string. Add more energy, and the rock speeds up. Now replace the string w a bungee cord. Add more energy, and the cord stretches / the rock moves further out. The energy is stored in cord. Gravity is that bungee cord.https://twitter.com/robkroese/status/1048712341527953409 …
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And if you take a funnel of sand and remove the stopper at the bottom and film it spilling out, then play it in reverse, you won’t know how the universe is created, but it’s a marvelous way to relax.
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