[qrp-canada] FW: GB> Wireless Electricity?

[rattray]

Some may have also been intrigued by the news story today proclaiming 
that MIT scientists had discovered how to transmit useful amounts of 
electic power without wires. It's not Glowbug, but it IS quite 
fascinating, and does use RF:

http://www.cbc.ca/technology/story/2007/06/08/tech-wireless-power.html

I was curious about this "non radiative energy transfer" and the use of 
"strongly coupled magnetic resonances" so I did some digging and found a 
technical paper that explains the mechanism in detail: 
http://arxiv.org/ftp/physics/papers/0611/0611063.pdf Even if you skip 
thru the math you can get the gist of it, and this isn't plain old 
induction, nor is it what Tesla did. Looks like ideal turf for home 
experimentation, especially to those who can whip up an RF exciter and 
something that looks like a six-meter halo.

A presentation by Dr. /Marin Soljac(ic' at the 2006 AIP Industrial 
Physics forum can be found here: http://www.aip.org/ca/2006/soljacic.pdf

Who says there's nothing new under the sun? Except for new ways of thinking!

73, Bob W9RAN
///





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