ELI5: How do we know that light is the fastest thing in existence? Submitted by Grump-Dog t3_10pfa2s on January 30, 2023 at 9:54 PM in explainlikeimfive 32 comments 10
internetboyfriend666 t1_j6k6hbi wrote on January 30, 2023 at 10:21 PM Reply to comment by [deleted] in ELI5: How do we know that light is the fastest thing in existence? by Grump-Dog This is wrong and it makes no sense Permalink Parent 2
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