Discover how to build a simple device that converts light into electricity using LEDs and diodes. This step-by-step guide ...

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 ...

Scientists have developed a way to generate tiny amounts of solar energy at night. It’s true potential could be in space.