Hello, Is there a possibility to power a circuit to be put inside a time capsule for 100 years ? The power source should feed a timer and an audio circuit with a small audio amp. The audio amp would be triggered at the end of the century by the timer. Therefore during 100 years the power source sho…

Small power source for one century

amundsen January 27, 2013, 2:27pm 4

Yes this is quite a challenge. Thanks anyway.

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