This past weekend while I was at the Syracuse Nationals auto show, my digital camera chewed through my extended-life rechargeable batteries. More than once I found myself without enough energy to get that last, important shot. The recharger I used took 3 hours to recharge them as well, so if I hadn’t have had eight of the batteries I would have been poop outta luck.

But a new idea for rechargable batteries might change all that. Need some power? Just shake your battery and it recharges itself! Or at least that is the concept behind the ShakEnergy from Mintpass.

Read more of this story »

A team of young Korean designers have invented a battery charger that runs on 100% renewable energy. The Febot might look a bit like a torpedo that’s gone wrong, but the in-built propellors mean that each one can generate enough energy to top up a rechargable AA battery.

Now here’s the fun bit. The Febot comes with a suction cup that allows you to attach it to pretty much any flat surface or structure. In theory, you could attach it to the outside of your window, or even the top of your car. Just imagine—a tiny little wind farm all of your own.

Read more of this story »