watch this
Firing This Saw Blade-Launching Handheld Catapult Looks More Terrifying Than Getting Hit by It

Joerg Sprave has finally built an elastic-powered weapon that even the burly slingshot master can barely handle when the trigger’s pulled. It’s a handheld trebuchet (a type of catapult) that flings circular saw blades for hundreds of feet, and it looks almost as terrifying to yield as it is to be in the weapon’s crosshairs. Read More >>

No One Will Steal Your Sticky Notes When Your Desk Is Protected By a Catapult

Leonardo da Vinci’s most famous creation is undoubtedly the Mona Lisa, but the artist was also a brilliant engineer who concocted endless contraptions including some formidable machines of war. This tiny trebuchet he designed won’t take down a castle, but it can almost certainly protect your desk from office supply raiders. Read More >>