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profdant139's avatar
profdant139
Explorer II
Apr 30, 2013

Mini fuel cell generates electricity directly from fire

This company is apparently now shipping these little fuel cells -- you stick one end in a flame, and the other end charges a cell phone: Point Source Power site No word on how much this "Voto" u...
wa8yxm's avatar
wa8yxm
Explorer III
May 02, 2013
camperpaul wrote:
Used it to power a 40 Meter QRP CW transmitter.


Well, I never built one, but I read the article... But then I know what "40 Meter QRP CW transmitter" means too, Back then I assume you were rock bound, I got my Novice imn 1968 so still remember rocks.

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