Recent content by mvbn

I thought When One vibrating particle(atom) hits another vibrating particle and causes it to vibrate more that is transfer of thermal energy without photons. Am I wrong?. @TumblingDice If photons are not particles I can't undestrand why it is teached that they are particles. Even wikipedia says...

For example, thermal energy exists and has no mass, but is carried by particles which have mass. A photon is described as a particle - how can a photon exist on its own, travel in space and even push other particles with mass if it has no mass itself?I am not sure if that thread should be in...