pulse jet engine

Fun with Projectiles

Whoosh_330I'm allergic to potatoes. I know, weird. But that doesn't mean I don't love the idea of shooting one at high speeds out of a homemade plastic tube into the back of someone's head. Fortunately, Bill Gurstelle—PopSci pal and author of such DIY classics as Backyard Ballistics—has a new book that's bound to make your summer a lot more fun, and scare the crap out of your neighbors: Whoosh Boom Splat: The Garage Warrior's Guide to Building Projectile Shooters. From Bill's site:

With Whoosh Boom Splat, you can build:
* The Jam Jar Jet – the simple pulse jet engine that roars
* The Elastic Zip Cannon – a membrane-powered shooter that packs a wallop
* The Mechanical Toe – a bungee-powered kicking machine
* The Vortex Launcher – a projectile shooter that uses air bullets for ammunition
* The Clothespin Snap Shooter – the PG-17 version of a clothespin gun that fires fiery projectiles
* The Architronito – the steam-powered cannon conceived by Leonardo da Vinci

Check out his hilarious commercial below. —Mike Haney


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February 2012: The Future of Fun

Science is reinventing play, from extreme sports to gamification to ridiculous roller coasters to the playgrounds of tomorrow, and this issue is chock full of fun. Also, on a less fun note: Did global warming destroy my hometown?


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