Submitted by Grump-Dog t3_10pfa2s in explainlikeimfive
WeDriftEternal t1_j6k7nss wrote
Reply to comment by Chromotron in ELI5: How do we know that light is the fastest thing in existence? by Grump-Dog
So it does-- all things with no mass travel at the same speed.
The deeper question is why is that speed this value: 299,792,458 m/s. This speed appears to be a fundamental "limit" of the universe we live in
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