Stations-ID: D103 Instructions: Sit on the bench an turn the crank wheel. Where does the electricity come from? Copper coils are arranged around the wheel. What components could be built into the wheel itself? You can charge your phone via …
Stations-ID: D015 ?? English instruction: Move your fingers over the surface of the globe slowly. Touch the globe with the flourescent tube. What happens, when you touch the globe with a finger or with your whole hand? What does your …