Experiments like these dig up old debates about the nature of matter which mainstream physics since the time of Newton keeps burying.
Harry On Sun, Feb 16, 2014 at 4:30 PM, Eric Walker <eric.wal...@gmail.com> wrote: > On Sun, Feb 16, 2014 at 12:50 PM, <mix...@bigpond.com> wrote: > > I'm not sure that I even understand what it meant by the phrase. > > > If you were a little confused by it, I was very much so. It would be nice > if someone who knows a little about the research and the claim could > clarify what it's getting at and what it does and doesn't apply to. > > However If >> looking for a means of building an FTL receiver, I would suggest >> something that >> relies upon tunneling, e.g. a Josephson junction, provided that some >> aspect of >> the chance of tunneling is influenced by the electric potential. >> > > This reminds me of a different but related result concerning prisms. When > two prisms are adjacent, no refraction takes place as light passes through > the common surface between them. When they are separated by a distance, > refraction does occur, but not all of the time. In some cases photons will > tunnel through a barrier between the two prisms without refraction. If I > have understood what I have read, this tunneling is thought to occur > instantaneously, in contrast to the situation where the photon exits one > prism, travels through the air and enters the other prism. The effect is > called the Hartman effect [1]. > > As I read more about FTL communication, I now understand that in the > context of special relativity it is interpreted to imply the existence of > time travel, since in some reference frame the effect (the receiving of the > information) will occur prior to the cause (the sending of the information). > > Eric > > > [1] http://en.wikipedia.org/wiki/Hartman_effect >
