The Rodin Coil: Is It The Greatest Discovery of All Time? Seems pretty simple...
How to Use a Potato to Light Up Your Room for an Entire Month -
How to Make a Tesla Turbine (Greenest Turbine)
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Build a simple electric motor, a good Science fair project
DIY Mendocino Motor
Solar Commutated (Mendocino) Motor
Picture of Step 1: X, Y and Z axes