Latest from William Gurstelle


Gravity Catapult

Gravity Catapult

12/18/2012

I have long been enamored of catapults. Invented around 400 B.C., they were used until nearly A.D. 1300. So for...

The Fire Piston

The Fire Piston

12/18/2012

Carl von Linde was dead tired. The eminent engineer, considered the father of the modern refrigerator, had just returned to...

Two-Can Stirling Engine

Two-Can Stirling Engine

12/18/2012

The Stirling engine has long captivated inventors and dreamers. Here are complete plans for building and operating a two-cylinder model...

The Chinese Windlass

The Chinese Windlass

12/18/2012

In the summer of 1860, the Second Opium War was reaching its climax. Three years earlier, Britain and France had...

Double Pendulum

Double Pendulum

12/18/2012

Devices that demonstrate true chaotic behavior (in a strict mathematical sense) are rare. Even rarer are chaotic devices that are...

1 2 3 4 5 6 7 8 9 10 12

Escape to an island of imagination + innovation as Maker Faire Bay Area returns for its 16th iteration!

Prices Increase in....

Days
Hours
Minutes
Seconds
FEEDBACK