Thursday, April 21, 2005

4D - a possible forth physical dimension! :>

1- Here is a nice introduction to relativity
especially nice diagrams (for example check:

2- for the idea that you are looking at a 4D object from different angles: and

3- instead of reading the whole rocker book The Forth Dimension, take a look at this
it is basically a scanning and presentation of the main ideas of the first chapters :)

Other (less relevant) stuff
- an article discussing how you could kill your own grandfather :]

- List of movies about time travel:

- "... a site devoted to exploring the themes of time travel and alternate universes in books, film, television, and pop culture in general."

- Time travel in Flatland?

- "Temporal Anomalies in Time Travel Movies
Problems in Time" at

- Computer games and Time Travel:

- Great index of links on the subject:

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