the simple, treatise being that, photons don’t move, light (as a reprentation of energy) shows where they were (or might have been)
The mass of the observable
should then be the energy of wave
(Plank)?
divided by the square of speed
in the object in which the change in media is observable?
The mass of the unobservable
would be roughly equal to nothing
(I predict)
waves don’t exist
When energy equals nil