Discover how to create a compact vertical-axis wind turbine with everyday materials in this detailed step-by-step guide. Watch as we build composite turbine blades, assemble a helical rotor, and ...

The concept of building your own hydroelectric generator seems simple at face value: use gravity to impart as much force as ...

So, I want to make a small hand-operated electric generator with my kids just to kind of show them how this kind of thing works. I understand the basics, but there are some things I want to do that I ...