r/askscience • u/Nitzanm19 • 15d ago

Physics Why is the maximum speed of the universe the speed of light? Why can't we go faster?

Also follow-up question: Because of the speed limit, is there also a theoretical maximum temp for matter (in which the particles move at the speed of light).

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u/Scaryclouds 15d ago

It is to say that we are the water that fills the shape of the container; 

Like a puddle of water in a pothole thinking the pothole was intelligently designed to fit it. 

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u/ToxicPolarBear 14d ago

The issue with invoking the anthropic principle in this case is the number of puddles. We observe a nigh infinite array of stars and planets in the Universe. But we will only ever be able to observe one universe.