Energy Scavenging Ring

A blinking LED is powered by the temperature differential between the body and the air.

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2 Responses:

  1. Jessica Lennon says:

    But will it charge my iPhone?

  2. Jamie Zawinski says:

    Jessica: Someday your phone will charge itself the old-fashioned way: by sinking a needle into your arm and burning sugar. Using your phone too much will make you anemic.

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