Flying Ball and Silver Snake Power Supplies Explore sustainable transportation through direct

Explore sustainable transportation through direct comparison and hands-on investigation

Simply turn the device on

then use the stored hydrogen to generate electricity and power a fuel cell car—making the entire energy cycle visible and measurable

and color mixing in the classroom

A helium spectrum tube lets students observe the same signature that gave the element its name and connects the bench-top measurement directly to how astronomers identify the composition of distant stars today

Flying Ball and Silver Snake Power Supplies Explore sustainable transportation through directA great way to demonstrate the principles of electrostatics using the Van de Graaff generator. The ball retains the charge, but the ribbon does not and repeatedly strikes it back!