The science pros at TKOR build a crossbow slingshot to demonstrate elastic energy.

The science pros at TKOR test the accuracy of a homemade slingshot crossbow.

Following on from his earlier creation of the Pencil Crossbow we featured here on Geeky Gadgets, slingshot modder Joerg Sprave has been at it again and upgraded his device to be even more lethal.

Our good friend Joerg Sprave has been beguiling us with his death-dealing slingshots for a while now, but now he’s letting the rest of us in on the mayhem with a How To video. Because that’s totally a ...

Slingshot modder Joerg Sprave has unveiled his latest lethal creation this week, and this time rather than firing ball bearings his new creation fires pencils. Not only that but the pencil crossbow is ...