Observer Editor, Free
“A World Cast in Concrete: How the U.S. Built Its Empire”: U-M Science, Technology & Society Program.:
U-M architecture professor Vyta Pivo discusses how the American cement and concrete industries expanded their material and technological reach across the globe, and how the material itself became a tool for spreading cultural values and racial politics. 4–5:30 p.m., 1014 Tisch Hall, 435 State. Free. 763–2066., . . . . . .