On Feb. 3, Boy Scouts from Troop 55 assisted Great Falls Elementary by setting up a booth at their STEM Fair. The booth demonstrated how to build and use a homemade electroscope. Using copper wire, a ...

A nonmetal desk or table (For example, a wooden, plastic or glass desk or table would work.) At least one material to test (It should be no larger than the plate or can be folded to be small and able ...

Electromagnetic fields are everywhere, all around us. Some are generated naturally, but in vast majority of cases, it’s we humans that are generating them with artificial, electronic means. Everything ...