Time Travel

• Cartoon on time travel : from Calvin and Hobbes. See if you can answer Hobbes's question!

• John Gribbin, a science journalist, has a list of articles on time travel at http://epunix.biols.susx.ac.uk/Home/John_Gribbin/timetrav.htm

• Huw Price's article at http://plato.stanford.edu/price/TAAPch1.html

• Presentation/Essay Questions : here are a few choices -
  1. Give a satisfactory answer to Hobbes's question in the comic strip above.

  2. Is it possible to make sense of the idea that time flows?

  3. If time does not flow, why is it that we have the impression that it does?

  4. Discuss one of the alleged paradoxes of time travel. Does it show that time travel is not possible? What significance does it have?

  Questions 1-3 are not easy, so do think about them carefully if you choose to answer those questions.