ceview writes: The speed of light appears to be not constant at a quantum level. It may appear to be dependent more on the electric charge of the vacuum. Also published in the European Physical Journal D http://epjd.epj.org/ Does this really have implications to GPS, quantum gravity?
"In the face of entropy and nothingness, you kind of have to pretend it's not
there if you want to keep writing good code." -- Karl Lehenbauer