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Guille · 04-17-2006, 04:56 AM

My interpretation of the quote is that the time values in two systems, even if they are taken by the same time measurer, are mutually independent if and only if at least one of the systems is independent of the measurer. This is easier to understand with an example: If we are chemists in a lab and we are timing how much time 100cl of water in a beaker take to start evaporation in contrast to how much time 100cl of oil in a beaker take to start evaporation, even if the water's heating rate towards 100ºc (evaporation temp) is controlled, and this controlling method is somehow connected to the stop watch, and you use the same stop watch with the oil, but the oil is not connected to any heating rate controller, then the oil's time to evaporate is independent of the water's time to evaporate.

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Guille The Thinker Status: Offline Posts: 3,278 Thanks Given: 14 Thanked 9x in 9 Posts Join Date: Mar 2005 Rep Power: 48	04-17-2006, 04:56 AM My interpretation of the quote is that the time values in two systems, even if they are taken by the same time measurer, are mutually independent if and only if at least one of the systems is independent of the measurer. This is easier to understand with an example: If we are chemists in a lab and we are timing how much time 100cl of water in a beaker take to start evaporation in contrast to how much time 100cl of oil in a beaker take to start evaporation, even if the water's heating rate towards 100ºc (evaporation temp) is controlled, and this controlling method is somehow connected to the stop watch, and you use the same stop watch with the oil, but the oil is not connected to any heating rate controller, then the oil's time to evaporate is independent of the water's time to evaporate.