At what scale does time dilation manifest itself?(adsbygoogle = window.adsbygoogle || []).push({});

Is time dilation dictated only by the velocity of entire large objects (people, watches)?

Or is it based upon its component particles?

For example if a clock is at rest with respect to a room, but its component atoms are vibrating at a speed of 1 km/s, is the latter speed used?

Or is a much smaller scale used (objects vibrating on the Planck scale, etc.)?

I would also like to know, just out of curiosity, what kinds of speeds are seen at the atomic or subatomic level. There is obviously very little net displacement, but I am wondering about the speeds at which objects "vibrate."

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# Relativity Concerning Small Particles

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