DavidGlover Books
How does it work?
By DavidGlover
A collection of simple experiments that answer such questions as How do switches make carnivals fun?, What makes a kite fly?, Can sunlight bounce?, and How are echoes made?
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Ramps and wedges
By DavidGlover
Uses a variety of examples, from scissors and axes to zippers and hairpin turns, to demonstrate the power of the inclined plane and show how ramps and wedges make work and play easier.
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