Sunday, March 10, 2019

special relativity - What are some scenarios where FTL information transfer would violate causality?


I've always heard people saying, "Faster than light information transfer can't happen because it would violate causality! Effects can precede their causes!"



However, I'm trying to think of a situation where this would happen. I'm sure it has something to do with relativity or something like that. I sort of understand that people going faster perceive time slower.


Can someone help illuminate this for me by showing a scenario where causality is clearly violated due to FTL information transfer?




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