How to Build a Hovercraft: Air Cannons, Magnetic Motors, and 25 Other Amazing DIY Science Projects

How to Build a Hovercraft: Air Cannons, Magnetic Motors, and 25 Other Amazing DIY Science Projects

335 Pages · 2013 · 12.35 MB · English
by Stephen Voltz & Fritz Grobe
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“ Don't watch the clock, do what it does. Keep Going. ” ― Sam Levenson
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