eli5 how do we know nothing is faster than light?
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Hypethetically, something could go faster than light. It just isn’t something we know about or are able to observe.
I’m going to break into philosophy for a bit but, if a tree falls in the forest and no one is there to hear it, does it make a sound? If a particle moves faster than light, but you can’t hear it, can’t see it, can’t feel it, can’t smell it, can’t taste it, and it doesn’t affect anything we can sense in turn, does the particle exist, and does it truly move faster than light?
It might, it might not, but until we have a way to observe whether it exists and what it’s doing from our perspective as a species, it does not exist for all practical purposes.
We can’t enter that forest. We don’t know what other trees are out there. The laws and theories presented in science are based on the forest we can observe, not the unknowable beyond.
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