Latest from William Gurstelle


Recreating Galileo’s Sector

Recreating Galileo’s Sector

06/15/2023

The sector, also known as the compass of proportion, is a fun and easy-to-use calculating device that uses the power of...

Mix Lard and Lye for DIY Soap

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...

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

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