Backyard Ballistics

Auteur

William Gurstelle is the author of Absinthe & Flamethrowers; The Art of the Catapult; Building Bots; The Practical Pyromaniac; Notes from the Technology Underground; and Whoosh, Boom, Splat. He is a professional engineer who has been researching and building model catapults and ballistic devices for more than 30 years and is a contributing editor at Popular Mechanics and Make magazine and writes frequently for Wired, The Rake, and several other national magazines.