Time: 10/20 Tuesday 7:30pm Location: Apt 18, 2012 Manchester Rd, Ann Arbor, 48104 (close to Arbor Village) Presenter: Zhichen Zhao, PhD candidate @ physics dept, UMich, working on string theory Offer: 1, Refreshments (I never disappoint ppl on this) 2, Clear explaination (so desired to explain stuff to ppl)