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…

This Man's A Cappella Rendition of the THX Logo Theme Will Take You Back to a Long Time Ago...

Before the Inception “Bwomp,” the THX “Deep Note” was the most recognizable and inscrutable sound in cinema. For its 35th anniversary, THX released the official sheet music for that warm wall of sound—so now it’s time for the internet to take a crack at recreating it. Everyone is going to have a hard time doing a…

This Paper Shredder Upgraded With a Scary-Powerful Motor Looks Like It Could Rip Off an Arm

Destroying sensitive documents using a paper shredder is a long and boring process because most of the machines are woefully underpowered. Destruction is supposed to be fun, so a gifted Danish hardware hacker upgraded a run-of-the-mill shredder with a 44,400-RPM brushless motor, letting the machine tear through a page…