Actually I have studied that the smaller the mass of a particle, the fastest it can travel in space. (But i don't know the mass of a single proton) and my question is: can any particle travel faster than a single photon?
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1Possible duplicates: https://physics.stackexchange.com/q/11320/2451 and links therein. – Qmechanic Jul 15 '20 at 08:57
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Not in a vacuum - but certainly in a material. – Carl Witthoft Jul 15 '20 at 11:45
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Does this answer your question? Tachyons and Photons – acarturk Jul 15 '20 at 12:41