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Originally Posted by infamous
How about this Linda; Plank length / by the speed of light equals Plank time. 4.05 *10^-33/2.99792458*10^10 or 1.35*10^-43 secs.
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But then again that raises the often debated subject of is there a minimum unit of time and space. Some say yes and some say no. Time has a direction as far as measurment goes. We sometimes term it an arrow of time. There are processes in physics where time is reversable. There are also known processes where time reversal is not symmetrical. Basically, our units of time are measuring rods. The concept of time is a construct of the human mind. Yet, time under Einstein's theory is unified with space so that we have spacetime. I think the actually answer is if one went by units derived out of C the idea that time seems to slowdown and at other times flies is based upon human perspective of such. An hour with someone you hate can seem like an eternity while the same time with someone you like can seem like a brief instant is a statement that rather encompasses that perspective. Yet, behind it all one still has the same hour being considered.
