Researchers at the University of California, Santa Barbara developed a "rechargeable solar battery" that stores sunlight ...

Solar panels stop working when the sky goes dark. That simple fact has pushed energy researchers into a stubborn problem: how ...

You don't have to light up your yard during the day. The sun does that. But what if the sun's energy could light up your yard again at night? That's the appeal of solar-powered outdoor lights. They ...

Portable solar panels and solar battery chargers are easy-to-use devices that provide backup power to anyone who happens to be away from a working power outlet, including hikers, car campers, and even ...

A single day of sunlight will fully recharge their battery. A single day of sunlight will fully recharge their battery. is a senior reporter who’s been covering and reviewing the latest gadgets and ...