tiny solar power system

Tiny Solar Power System can Keep Itself Going For Ever

March 9, 2010 / No Comments

Researchers at the University of Michigan have come up with a tiny solar power system, that could ostensibly keep itself powered for a long time. Theoretically, this could go on forever, but the batteries have to be replaced after a few years. The tiny system measures 2.5mm x 3.5mm x 1mm, with a volume of just 9 cubic mm, making ...