Years ago, the choice was clear: When it came to 2 stroke vs 4 stroke outboard motors, 2 stroke won every time. Two stroke motors offered a better power-to-weight ratio, were cheaper to manufacture, ...

A free-running generator built on the standard configuration of the 555 timer can't provide a duty cycle of exactly 50%. That's a well-known fact. Fortunately, there are several ways to get around ...

If you are looking for a unique way to power and recharge your mobile devices on the move, you might be interested in the new Siva Cycle Atom Generator which has just hit the Kickstarter crowd funding ...