William Gurstelle Author Profile | Make: DIY Projects and Ideas for Makers

Keep Cool Anywhere with a Battery-Powered Air Conditioner

12/20/2016

Air conditioning is simpler than you'd think. Build a simple battery-powered portable cooler to stay fresh in the summer.

Pitch Wiffle Balls with a Leaf Blower and PVC

11/01/2016

Put the world’s most obnoxious yard tool to batter use!

Build a Simple Transistor-Amplified Touch Switch

08/29/2016

Learn the history of the tech that gave us radio, TV, computers, and the Marshall stack — and then build...

Build a “Tantalus Cup” with a Hidden Siphon to Prank Your Friends

08/02/2016

Learn this party trick first pioneered by the ancient trickster/tinkerer Ctesibius. The siphon in this cup will quickly teach you...

Rock Out with a Simple, Moving Coil Loudspeaker

05/09/2016

Here's an easy loudspeaker project. Build the moving-coil, direct-radiation transducer that has rocked our world for 90 years.

Explore the Venturi Effect with a DIY Vacuum Pump

02/03/2016

Make your own vacuum pump for less than $25.

Remaking History: Willebrord Snell and Triangulation

08/28/2015

Build the simple surveyor’s instrument that made the first accurate maps on Earth.

How Henry Bessemer Helped Forge the Age of Steel

07/29/2015

While looking for a way to strengthen cannon barrels, Bessemer discovered better ways of making steel.

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...

William Gurstelle

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