[Becky Stern] likes to harness the power of the Sun. Most of us will immediately think of solar cells and other exotic solar energy techniques. But [Becky] shows how to make a hot air balloon using ...

“The lights charge quickly.” ...

[Michael Mogenson] built Firefly Jar – a simple circuit to light up flickering LEDs inside a standard Mason Jar, to give away to friends and family for the holidays. Given it’s simplicity and ...

Discover how to build a simple solar cell at home using everyday materials! This step-by-step tutorial demonstrates how to ...

Dear Jim: We have teenage daughters who take long showers. Our water heating costs are sky-high. We are on a tight budget, but want to use some solar water heating. Is there a system we can make ...

Jaymi Heimbuch is a writer and photographer specializing in wildlife conservation, technology, and food. She is the author of "The Ethiopian Wolf: Hope at the Edge of Extinction." The craftster behind ...

Construct this simple solar still DIY project. Once you learn how to make a solar water distiller, you’ll never need to buy distilled water again! Make your own distilled water from stream or lake ...

Solar panels are a great way to generate electricity, and are in use around the world for applications ranging from powering small radios and even cities to military and space satellites. Although ...

Alex Davies is a technology journalist and the author of "Driven," an upcoming book about the self-driving car industry. Well it's that time of the year again here in Southern California time to fill ...

Tyler has worked on, lived with and tested all types of smart home and security technology for over a dozen years, explaining the latest features, privacy tricks, and top recommendations. With degrees ...