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On Sep 7, 2:27*am, John Smith wrote:
It will be interesting to eventually find out what that strange placeholder in our equations really stands for: http://www.physorg.com/news139830010.html That article was a real snoozer. As most of them are, they associate an increase of entropy (2nd law) with an increase of randomness as time moves "forward". Thus, a beautiful (orderly) greek temple built in ancient times becomes a random disorderly pile of dust and rubble millenia later. Certainly such randomness happens but the error is that we must complete the observation until maximum condition is observed. As if by some revelation, "scientists" (according to the author) have found increases in time symmetry with increase in entropy with RNA. What they have really discovered is that they do not bound their observations into a closed system which would require observation until maximum condition occurs. Of course, in many cases that is not possible but certainly they should recognize that their observations are incomplete. One example of an observation that gets closer to a closed system in time would be Darwin, found in the evolution of life. As cells divide, randomness (entropy) assigns a certain probability that mutations will occur. Such mutations are examples of assymetric time moving irreeversibly towards randomness. However, when your expand the observation to include the entire system of time and environment, you find that certain benign mutations are much more suited to the environment and the life form becomes improved. We have evolved from single cell life forms to human life, which follows a path from a much lower level of orderliness to a much higher level of order. Entropy (disorder) is actually what gets us there. I suspect it is the concept of "entropy" and not "time" that needs to be better understood. |
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