What say you?
Americans recycle around 61 billion soda cans every year. With this man?s invention, that could heat almost 250 million homes. No expense. No maintenance.
Using regular recycled aluminum cans, a Newfoundland man has converted them into a powerful solar heating panel. According to his tests, the solar panels are able to generate around 10,000 BTUs ? enough to heat a small home.
Story continues here...
http://iacknowledge.net/man-invents-...aluminum-cans/
https://youtube.com/watch?v=bRZvAAqzXIw