When I was a kid my cousin showed me a homemade cannon he built to launch tennis balls using lighter fluid and a bunch of cans joined together. This gentleman, in the interest of science of course, built a potato gun that works in much the same way. Only he made his from clear plastic so you can see all the stages of the launching process when viewed in slow motion. What follows is pretty darn cool, informative, and…pretty!
Smarter Every Day – Potato gun dynamics
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Ah, the old goose gun. Gone are the days when we could get away with using pop cans and tennis balls in the park. The wrath of ______ would rain down upon us these days.