eli5: What is Speed made of? is it a sort of time particle?

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eli5: What is Speed made of? is it a sort of time particle?

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Anonymous 0 Comments

At speeds much lower than the speed of light, it’s simple – the change of location divided by the change of time.

I think the question is in part a relativity question, in that strange things happen when objects get closer to the speed of light. From our reference frame, it seems that the mass is getting bigger and bigger as the velocity gets that fast. Spacetime, space and time, gets warped by mass, and hence also gets affected if an object with mass goes really, really fast.

In terms of the particle question, we don’t know. For the last 100 years physicists have been trying to somehow make quantum physics and general relativity, and we’re not there yet. If there are particles involved they’re much too small to measure yet.

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