Forget plugging your charger to a socket. Scientists at the Massachusetts Institute of Technology (MIT) have developed remote charging using magnetic induction between two devices that resonate with one another. Objects that resonate on the same frequency send energy from each other, a phenomenon called “strong coupling.”
Marin Soljacic, a theoretical physicist and his MIT colleagues, developed a coil that oscillates at 10MHz. This coil stores energy and has the ability to send it through a receiver that is tuned to the same frequency across the room. The first priority of the scientists now is to make the energy transfer as safe as possible: ‘We wanted to use the magnetic field for coupling, and have the electric field confined, because a magnetic field does not interact with most objects, including biological tissues,” said Soljacic. It’s still a long way before they can develop a method to recharge gadgets through the principle but they are definitely hopeful. “This technology will move from the lab to the real world. There’s no fundamental problem. “It’s going to work,’ said Douglas Stone, a theoretical physicist at Yale University.
Charles Vamossy says:
Very interesting, but I wonder if this is all that new, at least from the scientific (as opposed to engineering) point-of-view. I believe my new Oral B Vitality rechargable electric toothbrush, already sold world wide, works on the same principle. It has a plastic encased recharge base and the toothbrush handle, which also has no visible metal contacts, sits on top of it. How does it charge the batteries sealed in the handle? Magnetic Induction.
So it seems that basic science, in this case going back to Michael Farraday (1791-1867), has given birth to a new engineering feat.
rick says:
dont they already have a toothbrush doing this? this really isnt big news
pincushion says:
WOW! truly incredible! MIT only took one additional century to figure out what Tesla had done at the turn of the century and half a centruy from schauberger. I knew the US scientific community would really be our economic savior, that Obama he’s sure gonna CHANGE things.
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Lewin Wint says:
I have had this theory for so long now and behold their are minds alike. I am very interested to know how it all works. I theorized that with (vibration/friction/heat/) and a way to process this heat like how a frequency is generated and filtered and then transmitted this same process could be used to interact with these same flow of electrons and transmitted through magnetic induction. hold on i’ll be bock
Chris Rush says:
Might it even help my arthritis?
On small scales it would be good in car phone cradles – no more flyleads.