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Nearly 125 years late, wireless recharging arrives by subbywan2008-08-22 08:58:19
  Wireless recharging is easy. by AndyA2008-08-22 09:14:33
    75%-90% isn't a bad start. (n/t) by subbywan2008-08-22 09:17:44
      At three feet. by bwkaz2008-08-22 09:35:23
        Directional "antenna" maybe by Menetlaus2008-08-22 09:46:59
          It'll still be inverse square. by bwkaz2008-08-22 09:51:53
            How's that? by Menetlaus2008-08-22 11:54:12
              It's not inverse-square, or plain inverse. by bwkaz2008-08-22 12:23:56
                It is inverse square if you are far enough away by hej2008-08-22 14:25:31
                  Shouldn't the near version be a line, rather than by bwkaz2008-08-22 15:43:50
                    The near version I talked about is even closer. by hej 2008-08-22 16:37:28
Like half a mm from a small antenna, or a few mm from one that will cook you like a microwave oven. If you are far enough out to ignore the width of the antenna you get a line, and then the inverse square law works.
------------------------------------------------
Though this is probably irrelevant to the TLP, since they are not using radiation. I was only explaining why you don't get infinite intensity in a case where inverse square is relevant.
[ Reply ]
                      Ah, I get it. Thanks! (n/t) by bwkaz2008-08-22 16:56:12
                      Lasers by weedwacker012008-08-22 20:48:04
                        Doesn't work. by hej2008-08-24 11:27:17

 

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