Re: thanks!

Posted by JohnCauthen on October 10, 2003 at 16:26:49:

In Reply to: thanks! posted by ceco on October 09, 2003 at 09:19:28:

Here is another explanation.

String theory says there is a separation between points: that points are really little strings. So if you draw little lines and lay them out on a piece of paper, the most efficient arrangement of three is a triangle. And if you continue to lay out little lines, connecting them all, you continue to make triangles until you construct a 2D space made from little lines, or strings. Now if you travel from point to point, or string to string, you find you can only go in three directions. If we construct a 2D space out of strings, we can only travel in three directions. Each direction back and forth is a dimension in this construction of strings.

If you go from a random point A to a random B, you have to zigzag through the construction of strings. I made a diagram on another website that shows this more clearly. To describe A to B you need an x and y axis. So this 2D space constructed from strings has five dimensions.

In a 3D space constructed from strings, there are ten dimensions.

I am at
http://www.physicsforums.com/showthread.php?s=&threadid=6525

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