This is a very cool website for any teacher or parent looking for a fun and exciting way to teach the physics of propulsion and flight. At diy potato cannons, they teach you how to build a device to fire a potato many yards in the air. Using basic hairspray as a propellant, their potato cannons offer a teacher endless lesson plans and ideas to engage a science class. Potato cannon kits or potato cannon plans can make physics fun again!

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