10/20/2025
"As early as 1775, a London physician found a huge incidence of scrotal cancer among young chimney sweeps. They'd been working naked because that made it easier to get through a narrow chimney. Carcinogenic coal dust worked into parts of the body where it could linger."
Today, we flip six heads in a row. The University of Houston's College of Engineering presents this series about the machines that make our civilization run, and the people whose ingenuity created them.