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Nearly 125 years late, wireless recharging arrives	by subbywan	2008-08-22 08:58:19
Wireless recharging is easy.	by AndyA	2008-08-22 09:14:33
75%-90% isn't a bad start. (n/t)	by subbywan	2008-08-22 09:17:44
At three feet.	by bwkaz	2008-08-22 09:35:23
I think you are missing something.	by AndyA	2008-08-22 10:33:58
... Dang, yeah, you're right.	by bwkaz	2008-08-22 12:19:21
You can't have an efficiency above 100%. The equation I had for efficiency in the other sub-thread gives an efficiency above 100% for any distance less than sqrt(6.75) = 2.59 feet. At two feet, for instance, you get 6.75 / 4 = 1.6875; that's invalid. So never mind that then. Obviously it isn't inverse square. (Dang. ;-) )
[ Reply ]
On the other hand:	by bwkaz	2008-08-22 12:22:42
If you lower the frequency then	by AndyA	2008-08-22 13:22:54
Hmm; that could be the intent.	by bwkaz	2008-08-22 13:26:47
But it could also "universalize" recharging.	by merlin	2008-08-22 13:31:11
Could... but won't	by Menetlaus	2008-08-22 13:45:38
but less cables = good.	by AndyA	2008-08-22 13:59:43
Maybe the average consumer.	by bwkaz	2008-08-22 14:20:44

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