On Sat, Feb 15, 2014 at 4:30 PM, <mix...@bigpond.com> wrote: > In reply to Daniel Rocha's message of Sat, 15 Feb 2014 18:21:30 -0200: > Hi, > [snip] > >Indeed, in the Coulomb gauge, the electrical field propagates with an > >infinite speed. This is known for over a century. But this ignores what > >happens magnetic field. In the end, the propagation of energy happens at > c. > > ...so FTL communication via electric field should be possible provided > that it > doesn't rely upon energy transfer. IOW the receiver itself needs to supply > the > energy required to interpret the signal. > >
nice. harry
