Sample Questions #4      
Space and Time, Spring 2007

1. Discuss time's arrow.  [Hint: Clausius, Boltzmann, Loschmidt, Nietzsche, Poincare]

2. Describe the multiverse theory and how it has impacted our understanding of space,
time, and the situation of humanity.

3. Discuss the problem raised by Milne and Dirac about multiple times.