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William Gurstelle

William Gurstelle

William Gurstelle is a contributing editor of Make: magazine. His new book, Defending Your Castle: Build Catapults, Crossbows, Moats and More is now available.

Latest from William Gurstelle


Use the fascinating Möbius strip to make a spill-proof coffee cup carrier. Read more »


Scare the wits out of visitors with this pneumatic spook Read more »

Airic robot aarm developed by Festo AG uses air muscles controlled by tiny piezo proportional valves, 2007. —Credit: Festo AG & Co. KG

A father’s love inspired this A-bomb maker to invent a pneumatic actuator that’s used in robots today. Read more »


Re-create the incendiary reaction that welded the world’s modern railways. Read more »


Make the mechanism that put the movies on the big screen. Read more »


Can humans fly by flapping? Nope. But they can build a small, rubber band-powered ornithopter whose motion is similar to a bird in flight. Here's how! A classic project from William Gurstelle from the pages of MAKE Volume 08. Read more »


Build the simple plane that defined modern aircraft — 100 years before the Wright brothers. Another fun and fascinating project from William Gurstelle's "Remaking History" column in MAKE. Read more »


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