A Advenjack New member Dec 13, 2010 #1 If not electrons then what? Photons are a measure of light and have no mass, not really a physical "thing", right? I am thinking as a comparison a BTU is a measure of heat having no mass and not being a physical "thing" so to speak.
If not electrons then what? Photons are a measure of light and have no mass, not really a physical "thing", right? I am thinking as a comparison a BTU is a measure of heat having no mass and not being a physical "thing" so to speak.
