Lots More Information
- What is the fourth dimension?
- What does the fourth dimension have to do with time travel?
- Does gravity distort space-time?
- Are there other universes like ours out there?
- Does time change speed?
- How Special Relativity Works
- How Time Travel Will Work
- Theory of Relativity
More Great Links
- ABC Science Online. "The Big Questions: The Riddle of Time." Jan. 17, 2002. (Oct. 7, 2010) http://www.abc.net.au/science/bigquestions/s460740.htm
- Davies, Paul. "How to Build a Time Machine." Penguin Books. 2002.
- Davies, Paul. Personal interview. Oct. 13, 2010.
- PBS Nova. "Sagan on Time Travel." October 1999. (Oct. 7, 2010) http://www.pbs.org/wgbh/nova/time/sagan.html
- Pickover, Clifford. "Time: a traveler's guide." Oxford University Press. 1999.