In this enlightening tutorial, you'll discover how to make a motor generator light bulbs using simple materials. This step-by ...

LED bulbs are a far more cost-efficient, environmentally-friendly option than traditional incandescent bulbs. With a life expectancy of 20 years or more (25x longer than incandescent), the energy ...

Mark Bent had a bright idea. The former U.S. diplomat and oilman had spent years in Africa, and as his working career wound down, he wanted to give back. The continent has no shortage of persistent ...