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

Use Polarizing Film to Locate the Sun on Overcast Days

10/25/2017

Locate the sun on overcast days with this ingenious Viking invention.

06/02/2017

When Dr. Ignaz Semmelweis noticed high fatality rates in his maternity ward, he introduced soap. Learn the basics of homemade...

12/20/2016

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

11/01/2016

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

08/29/2016

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

08/02/2016

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

05/09/2016

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

02/03/2016

Make your own vacuum pump for less than $25.

08/28/2015

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

07/29/2015

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