William Gurstelle
William Gurstelle is a professional engineer who has been building model catapults and ballistic devices for more than 30 years. He is also a contributing editor at Popular Science , a columnist for Make magazine, and a frequent contributor to the Atlantic , Maxim , Wired , and other national magazines.
William Gurstelle is a professional engineer who has been building model catapults and ballistic devices for more than 30 years. He is also a contributing editor at Popular Science , a columnist for Make magazine, and a frequent contributor to the Atlantic , Maxim , Wired , and other national magazines. See less