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Posted 2005-04-29, 08:26 AM
in reply to Shining Knights's post starting "It matters not whether you win or lose;..."
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Shinto Katana said:
"Noah - Time is not the 4th dimension:
Time is just a way of measuring the velocity of the motion of an object through the 3 real dimensions. In order to go into the future you would have to stop your particles for the desired amount of time (basically cryogenics). Your particles weren't present to have their effect on the future so the outcome would be slightly different than what it would have been. In order to go into the past you would have to reverse the past motion of all other particles in the universe (an exact reverse of physical law that affects everything but you). Going by that logic, I am lead to 'believe' that going into the past is literally impossible, but going into the future isn't very difficult at all. Now, if you are one that believes (I'm not saying I are or aren't) that the mind is immaterial then that still leaves the possibility for mental time travel. Any thoughts would be appreciated."
"Noah - Time is not the 4th dimension:
Wow. OK, let's go over this. If I want to specify an event, I need 4 numbers: latitude, longitude, altitude, and time. Hence four dimensions. Or look at it this way: An object could hardly exist with width and length but no depth; there would literally be no distance between one side and the other! Nor could something exist with length, width, depth, but no duration. It would pop out of existence the same instant it popped into existence! Hence, four dimensions.
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I believe cryogenics simply slows all of your particles to a point where you are bairly alive, otherwise you would die. But if that wasn't true then yes technically you would be moving into the future while your person stays the exact same. Therefore, if the second paragraph is true as you guys say then the frozen person would stop existing because he has no duration? What defines that you are in the 4th dimension?
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