Heat-Treat Steel for a Rubber Band Shooter 06/24/2015 Learn how to heat-treat and toughen the metal that built our world: carbon steel.
Build Your Own Spinning Hurricane Balls 06/13/2015 Louis Poinsot was the first to demonstrate that any number of individual forces pushing or pulling on a rigid thing...
Make Thermite — the Invention that Welded the World’s Modern Railways 05/28/2015 Re-create the incendiary reaction that welded the world’s modern railways.
Make a Warren Truss Bridge with Popsicle Sticks 05/22/2015 Build the simple span that launched the great age of iron bridge building.
Making a Simple Air Muscle 05/21/2015 A father’s love inspired this A-bomb maker to invent a pneumatic actuator that’s used in robots today.
Charles Goodyear and the Vulcanization of Rubber 03/13/2015 Re-create the process that gave us car tires, rubber bands, and the boots on your feet
Fireproof Your Stuff With These Safe, Common Chemicals 02/18/2015 Before homes were electrified, people lived in constant danger of clothing and surroundings catching fire from the oil lamps and...
August Möbius and his Twisted Cylinder 11/20/2014 Use the fascinating Möbius strip to make a spill-proof coffee cup carrier.
The Brothers Lumiere and the Motion Picture 05/01/2014 Make the mechanism that put the movies on the big screen.
Building an Ornithopter 01/09/2014 Can humans fly by flapping? Nope. But they can build a small, rubber band-powered ornithopter whose motion is similar to...
