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?
You can tune a piano, but you can't tuna fish.
You can tune a filesystem, but you can't tuna fish.
-- from the tunefs(8) man page