Mr. Wizard's World

Potato Battery, Bleach, Dot Puzzle, Hurricanes, Flying Simulator, Microscope, Radar Gun and more (3x5)

Air date: Feb 17, 1986

Potato Battery, Connect the Dots Puzzle, Hurricanes, Flight Simulator, Water Drop Microscope, Radar Gun. AJ notes that a quartz clock is not working because there is no battery. Mr.Wizard shows AJ how to create an electrical current using copper & zinc electrodes, wires, salt, bleach, and a potato.