A prosthetic hand for children that is powered and controlled by the wearer's breathing has been developed by scientists at Oxford University. Researchers say the simple lightweight device is not too ...

Discover how to make a DIY hand-powered mobile phone charger using simple materials such as two small DC motors and a piece ...

Jeff Somers is a freelancer who has been writing about writing, books, personal finance, and home maintenance since 2012. When not writing, Jeff spends his free time fixing up his old house. He has ...

We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Whether you’re at home or on a camping trip, losing power is a little less stressful ...

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 ...

Whether you are hanging in the backyard or spending a night outdoors at a camping site, you need the proper lighting to keep you safe. For those who want something that is portable and battery-powered ...