On Geofoam
Images from the 2014 construction of Maggie Daley Park in Chicago are something to behold. Where one might expect earthmoving equipment and rough piles of
2021-07-26
lee wilkins on Canadarm, HydroQuebec, and the full catalog of Apollo program experiments.
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.