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Old 16-March-2005, 01:19 AM
Senor Molinero Senor Molinero is offline
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Join Date: Jul 2002
Location: Townsville, Queensland, Australia
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A piece of paper is a valid representation of a 2-D universe (ignore the thickness). Take a pencil and try drawing a line ABOVE the paper.
Try a balloon for a closed universe.
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