$J\psi$ and its polarization--a historical introduction. Event Date: 2016-05-12 admin Particle/String/Cosmology Speaker: Prof. Hong-Fei Zhang (Chongqing University of Posts and Telecommunications, China) / Host: Prof. C. Q. Geng (NTHU) Place: R521, 2nd General Building 5F, Nat'l Tsing Hua Univ.