Rich with history, Tianjin University has long been a center for groundbreaking research and great ideas. See if it's possible to tour the campus and chat with some of the staff and students about their work.
Nankai, where Tianjin University is located, is jampacked with interesting things to do. Many visitors also stop by Tianjin Eye, which isn't far from the historic university. Have a look around before you leave the area.