Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas
AMA | October 2024
Sean Carroll
If you're too far away from one point in spacetime to get there other than moving faster than the speed of light, you can't get there. That's space-like separated. That's inaccessible. The question is, given that there is a speed limit in the universe, does anything move at that speed limit? And the answer is yes.
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