#428 – Sean Carroll: General Relativity, Quantum Mechanics, Black Holes & Aliens

1024.66 - 1048.419 Sean Carroll

Gravity is sort of not detectable or at least not distinguishable from acceleration. So number one, that's a pretty clever thing to think. But number two, if you or I had that thought, we would have gone, huh, we're pretty clever. He reasons from there to say, okay, if gravity is not detectable, then it can't be like an ordinary force, right? The electromagnetic force is detectable.