Mr. Wizard's World

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

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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.