When you think of static energy, you probably think of the little zap your randomly feel when you touch a doorknob. But now it seems the relatively unknown forces behind static energy might present a path to more sustainable, longer-lasting power sources for small electronic devices, according to a new study. For example, the friction between a person’s wrist and their smartwatch can create electricity that the smartwatch can harness to power itself.
In the future, small electronic devices could be powered by static energy
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