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 ...

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 ...