(October 21, 2013) Leonard Susskind introduces the spin statistics of Fermions and Bosons, and shows that a single complete rotation of a Fermion is not an identity operation, but rather induces a phase change that is detectable. Originally presented by the Stanford Continuing Studies Program. Stanford University: www.stanford.edu/ Continuing Studies Program: csp.stanford.edu/ Stanford University Channel on YouTube: www.youtube.com/stanford