Discover how to transform everyday objects into useful energy devices in this exciting DIY science project. Learn step-by-step how to build mini generators from recycled DC motor components and create ...

You are able to gift 5 more articles this month. Anyone can access the link you share with no account required. Learn more. WOODSTOCK — It was October of 1983 when the last hand-crank telephone ...

If you're suddenly hit with a blackout, this small gadget lets you charge your phone and power a light — no outlet needed.

Add Yahoo as a preferred source to see more of our stories on Google. The Joyeky rechargeable hand crank lantern. Amazon If you’ve ever sat through a power outage watching your phone battery tick down ...

If you find your mobile devices run low on battery power, making you dashing to the nearest power outlet, you may be interested in a new portable hand crank charger that has been designed by Valentin ...

A manual mobile phone charger will allow users to make calls even if the battery has run flat. The clockwork charger consists of a small hand crank attached to a dynamo. Turning the crank generates ...

So... the people have spoken. You’re either happy or furious today. Either way, you’re going to need more energy for your phone soon (#firstworldproblems). This ...