This treadmill generator from [Amitabh Shrivastava] does just that. The build starts with a regular old treadmill, which has a motor inside typically used to power the tread. Instead, the motor ...

Using just a few ordinary around the house items, [The King of Random] turned a cordless electric drill into a human powered electrical generator. If the drill is run in reverse and cranked by ...

Human power is rapidly gaining in popularity worldwide ... Portland's 'green' gym will have spinning bikes connected to wind-generator motors. The users should generate enough electricity to ...