Building a cannon in your backyard is good clean fun (if you’re responsible and not a jerk!), but maybe you don’t have all the stuff you need to make it happen. Maybe you don’t have a compressed air ...

Clair McFarland writes, "Middleborn grinned. The secret, he explained, is jamming a too-big spud into the cannon’s mouth with ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Leonardo da Vinci, best known to modern audiences as an artist and ...

March 20, 2010 Add as a preferred source on Google Add as a preferred source on Google If you've been sitting around all week wondering how you could combine smoke, speakers, and a love of novel ...