"Long ago I had a vague inkling of a machine... that shall travel indifferently
in any direction of Space and Time, as the driver determines."
Filby contented himself with laughter. "But I have experimental verification," said the Time Traveller.
— The Time Machine, by H. G. Wells, p6.
- Time Travel from Wikipedia
- Chronology Protection from Wikipedia
- The Time Machine on SciFlicks.com
- The Time Machine - Wikipedia
- Novel of "The Time Machine" by H. G. Wells
- The Time Machine Project
"Can highly advanced civilizations build wormholes through hyperspace for rapid
interstellar travel and machines for traveling backward in time?"
— Black Holes and Time Warps, by Kip S. Thorne, chap. 14.
"Einstein proved we can travel forward by moving near light speed. Backward requires a wormhole, cosmic string and a lot of luck."
— Time Magzine, by J. Richard. Gott III, 2000
- Black Holes and Time Warps : Einstein's Outrageous Legacy, by Kip S. Thorne
- Time Travel in Einstein's Universe: The Physical Possibilities of Travel Through Time, by J. Richard Gott III
- Time travel: Truth not always stranger than science fiction, by Steven Schultz
- Time Machines : Time Travel in Physics, Metaphysics, and Science Fiction, by Paul J. Nahin
- In the Beginning - It's hard to grasp, but the Universe may have made itself, by Marcus Chown
- Will We Travel Back (Or Forward) In Time? by J. Richard Gott III
- How to Build a Time Machine, by Paul Davies
- Time before Time, by Rüdiger Vaas
