In this DIY tutorial, learn how to make your very own USB electric lighter at home with simple materials and step-by-step ...

Print News in Science Play dough circuits 2: experiment with electricity Last time, we went through the basics of how to make simple electrical circuits with play dough and light-emitting diodes ...

I rigged up a simple solar panel setup to create a solar e-bike that can charge for free from the sun, and it wasn't very difficult.