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Meet the Makers, MAKE Volume 28: William Gurstelle | Make:
If you read MAKE or visit Makezine regularly, you likely know William Gurstelle. He is our resident trebuchet enthusiast and the author of several high-octane how-to books, including Backyard Ballistics, Whoosh Boom Splat, The Art of the Catapult, Absinthe and Flamethrowers, and The Practical Pyromaniac. In MAKE Volume 28, Bill wrote an article on making a Gravity Catapult...