[Jamie] decided to build a generator, and Lego is his medium of choice. Thus was created a fancy levitating generator that turns a stream of air into electricity. The basic concept is simple enough ...

[Paul Junkin] bought a curious product off the Internet. It was supposed to generate electricity when hooked up to a running hose. Only, it didn’t do a very good job. His solution was ...

When the lights go out, a portable generator can feel like a lifeline, but if you rush the startup, you can end up staring at ...

When a power outage hits, getting left in the dark is just one of the concerns. An extended blackout is an inconvenience, but being without air conditioning, heating or necessary medical equipment is ...

A linear generator can switch between a variety of fuel types without losing efficiency. The creation of this generator began in the Stanford Advanced Energy Systems Laboratory. Mainspring Energy ...

Mike De Socio is a CNET contributor who writes about energy, personal finance, electric vehicles and climate change. He's also the author of the nonfiction book, "Morally Straight: How the Fight for ...