- Books
- How to Build a Time Machine (Paul Davies, 2001)
- The Fabric of the Cosmos (Brian Greene, 2004)
- Time Travel in Einstein?s Universe (J. Richard Gott, 2001)
- Websites
- How Stuff Works
- Time Travel in Flatland
- Sagan on Time Travel
Show of 3-27-2004
March 27, 2004
- Time and Space References