Kid power!

A teeter-totter being used to make energy-what a great idea! See, I knew there was a reason to have more kids! They can power our house, lol!

"By using children to create energy, the environment can look forward to a less damaging way to light up a school, operate a water pump or power a digital camera. And maybe kids can look forward to more recess."

In case anyone's interested, the blog I found this article on.