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 ...

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 ...

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 ...

Editor’s Note—April 2026: We’ve checked the products in this story to make sure they are still in stock and available. Still new to this article is the EcoFlow Delta Pro Ultra X, which we recently ...