A portable and powerful water turbine you can build yourself for just $50. It’s open source, easy to assemble, and can ...
A recent analysis finds up to 1,000 times more molecular oxygen than can be explained by prevailing theories about where it comes from. Eric Mack has been a CNET contributor since 2011. Eric and his ...
Discover how to create a simple thermal motor using an aluminum can and two small DC motors. This step-by-step tutorial demonstrates each stage of building a DIY thermal engine that transforms heat ...
A drone view of solar panels angled towards the sun at the Copper Mountain Solar 2 facility in Boulder City, Nevada, U.S., November 23, 2025. REUTERS/Daniel Cole For supporters of the energy ...