Ecofriend

We've all heard of kinetic-powered wristwatches, where the motion of the wearer's arm turning a rotating weight powers the watch without ever requiring winding or a battery change. Now Idaho-based M2E Power takes this idea to a whole new level....

If you think a battery powered bicycle, underwear for two, are silly inventions then wait till you see the newest edition to the solar powered devices - A solar power tie, what next? This one certainly hits the jackpot when it comes to incongruous...

Talking about renewable source of energy, the list that occurs to us is wind, water and sun. But mechanical energy is another renewable source of energy that has been in use since time immemorial, either with the use of animals or humans themselves...