It's a concept, which means that the magnetic field explanation is very much akin to the flimsy pretexts used by science fiction shows to provide some plausible

It's a concept, which means that the magnetic field explanation is very much akin to the flimsy pretexts used by science fiction shows to provide some plausible sort of excuse for how something like this might perhaps work maybe. No, it's not: http://research.nokia.com/files/public/2011-01-12-Ashbrook-CHI11-Nenya.pdf http://research.nokia.com/files/public/2011-01-12-Ashbrook-C... [pdf]