Remaking History: James Watt and the Flyball Governor 02/12/2019 In 1764, scotsman James Watt grew thoughtful as he tinkered with the machinery associated with his job as a steam...
Remaking History: Build Your Own Copper Still 11/15/2018 Zakariya Al-Razi, the Secret of Secrets, and the invention of the modern still
Use Polarizing Film to Locate the Sun on Overcast Days 10/25/2017 Locate the sun on overcast days with this ingenious Viking invention.
Mix Lard and Lye for DIY Soap 06/02/2017 When Dr. Ignaz Semmelweis noticed high fatality rates in his maternity ward, he introduced soap. Learn the basics of homemade...
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...
