2min chapter

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas cover image

AMA | June 2023

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

CHAPTER

The Relativity of Simultaneity

In special relativity, there's no objective notion of now. If my buddy is on Alpha Centauri, how do I think about their conscious experience? Does the relativity of simultaneity change anything about this? Or do I just regard them as conscious like normal? We don't really know yet.

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