Darn! I missed pop quiz one. Trick question as photons are never at rest. That is a misnomeric moniker.
But then we can get all sciencey and discuss invariant mass and relativistic mass, except for it's time for me to take my milk of magnesia, do a push up, and cry myself to sleep...
But then we can get all sciencey and discuss invariant mass and relativistic mass, except for it's time for me to take my milk of magnesia, do a push up, and cry myself to sleep...