Quote:
Originally Posted by Profpat  (1) The Planck length is the scale at which classical ideas about gravity and space-time cease to be valid, and quantum effects dominate. This is the ‘quantum of length’, the smallest measurement of length with any meaning. And roughly equal to 1.6 x 10-35 m or about 10-20 times the size of a proton.
(2) The Planck time is the time it would take a photon travelling at the speed of light to across a distance equal to the Planck length. This is the ‘quantum of time’, the smallest measurement of time that has any meaning, and is equal to 10-43 seconds. No smaller division of time has any meaning.
(3) Within the framework of the laws of physics as we understand them today, we can say only that the universe came into existence when it already had an age of 10-43 seconds. |
Hi Pat
(1) This is not right - classical physics ceases to hold sway at around 10^-17 when the strong force becomes dominant. The Planck length is very, very much smaller at about 10^-35.
(2) This is simply speed = distance over time. If there is no smaller division then we must have an underlying granularity - hence an aether.
(3) Where did this come from???
From the earlier, and much longer post, you appear to have become an apologist for sting theory? You can't have a
fundamental particle that is made of something else. Also if BG's vibrating loops are not all the same then they are not fundamental - they have to be made of something even smaller.
As you know, I use string in my model but it's very different from the string you are describing.
regards
Felix