A Symbiotic Truce
On composites, crayfish, and reinforced concrete's tentative alkalinity. For most of a red swamp crayfish’s life, cambarincola barbarae are a welcome sight.
2021-07-19
Hillary Predko on crystal radios, North Korean CNC capacity, and bullet train biomimicry.
Paper Trails
Starting 2021-07-16, The Prepared’s Reading group is reading Paper Trails: The US Post and the Making of the American West - Cameron Blevins’ history of the USPS
2021-07-12
Spencer Wright on Dr. Bronners GHG emissions, cellulose carbamate production, and the emotional experience of physical exertion.
2021-07-05
Spencer Wright on the FAA's right of way rules, the way noise affects productivity, and Bagel Bakers Local 338.
Ise Jingu and the Pyramid of Enabling Technologies
Our buildings are often long lived things, capable of outlasting the society that produced them. The Egyptian Pyramids are still with us, thousands of years