Your pulse could power your iPod

Someday, your pulse could provide all the power you’ll need for your iPod. At least that’s the promise held out by researchers who say they’ve developed the first commercially viable nanogenerator. The nanogenerator is actually a flexible chip containing millions of zinc oxide nanowires. The important thing about these wires is that when you flex them, they create a tiny bit of electric current. This phenomenon, known as the piezoelectric effect, was discovered more than a century ago and

Read more ...