Reply to post: Uhhmmmm..

iPhone case uses phone's OWN SIGNAL to charge it (forever, presumably)

streaky

Uhhmmmm..

30%.

The phone's entire radio usage probably doesn't use 30% of its battery life, if you pile on inefficiencies and losses, I can't imagine how you get to 30% eating all the energy from radio emissions - and you need some of that energy to get out regardless, else your phone won't communicate with anything.

To get to 30% you have to be claiming you're getting energy from nothing, surely?

Edit - just been reading engadget's article that fawns all over this thing:

The harvesting antenna and DC power-converting rectifier circuit

It's those bomb detectors in Iraq all over again.

Dr. Lee's reputation as the former chair of Ohio State's Electrical and Computer Engineering gives this seemingly kooky outfit some much-needed credibility

What reputation exactly. I see no credibility anywhere.

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