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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.

HURLING TREBUCHETS

Here Ye! Here Ye! Watch as these Joe Genius Knights tap in to their medieval side and hurl things you'd never expect!

Meet the Launchers!

"Trebuchet Water Balloon Launch" from JeffersonDharmaraj

"Flaming Pumpkin Launch" from Adam Konyndyk

"The Lego Trebuchet" from Daniel Rojas

"Trebuchet Pumpkin Launch" from Joel MacNeil

"The Mighty Trebuchet!" from Richie Davidson

"Homemade Catapult" from Nick Miller

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Projectiles

Thursday, August 19th, 2010

All Segments From This Episode