Discover how to build a simple electromagnetic motor and generator using everyday materials in this hands-on science experiment. Follow the detailed steps to assemble a motor with a plastic bottle cap ...

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 ...

Electric-power production is a conservative business; it makes electricity just as it did more than a century ago—by driving copper wires through magnetic fields. That is all that happens in the huge, ...

We were always amused that one of the biggest scientific discoveries of the recent past — graphene — was started with pencil lead and Scotch tape. Now, researchers at the University of Alabama in ...