Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas
AMA | October 2024
Sean Carroll
The speed of light is special because it's the speed limit in the universe. It's the thing that remains invariant in special relativity or general relativity. Every observer measures the speed of light to be the same thing. And it provides structure on spacetime by distinguishing present, future, past, and inaccessible, right?
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