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 ...

A winter storm can knock out power for days at a time. And a portable generator is a great way to run not only household essentials like lights and refrigerators, but also lifesaving medical equipment ...

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 ...