(April 3, 2014 at 2:52 pm)alpha male Wrote:(April 3, 2014 at 2:35 pm)max-greece Wrote: Except a photon isn't merely energy. It an elementary particle which carries energy proportional to the radiation frequency.IMO the main point is that the photon came from an existing electron.
I'd give you a duality between energy and a particle if you like - but I don't think you can get away with just energy.
The other point is that, more generally, space-time is itself something, and so it's impossible to have nothing in our universe.
Where is it possible to have nothing?