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The backyard engineers in this episode build catapults and cannons to launch washing machines, flaming pumpkins, and even their friends to great heights! Some have the physics chops to send their projectiles high and far. Others create projectiles of doom.

CRAZY CANNONS

You won't believe the things these "loose cannons" come up with! One Joe Genius is successful and the rest are doomed to epic failure. Plus, don't miss who takes home the coveted "Joe Genius Award" for the best projectile launch!

Meet the Launchers!

"Magnum Toilet Paper Cannon! WOW!!" from Randy Leaf

"Potato gun backfire...literally" from West

"Potato gun fail" from Vidigious

"Epic airbag ride and faceplant" from Main Stream Videos

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Projectiles

Thursday, August 19th, 2010

All Segments From This Episode