On Tuesday, April 19, 2022 at 2:43:47 PM UTC-6 johnk...@gmail.com wrote:

> On Tue, Apr 19, 2022 at 3:01 PM Alan Grayson <agrays...@gmail.com> wrote:
> >> Schrödinger's Equation is time independent, 
>> *> Then why, for example, does the solution for a free particle spread 
>> out as time progresses? AG *
> As time progresses things change, that is in fact what time means. So if 
> something spreads out as time progresses if you reverse time then that 
> "something" would converge. Schrodinger's wave equation works in either 
> direction, no information is lost so if you know what the wave looks like 
> now you can figure out what it will look like tomorrow and also figure out 
> what it looked like yesterday.   

If you don't know that the SE is time DEPENDENT, at least one of its forms, 
you should refrain from posing as a expert on its interpretation. Further, 
in the case of a free particle, the solution changes its form as tIme goes 
backward, or forward, so your comment shows ignorance of what time 
dependence *means*. AG 

> John K Clark    See what's on my new list at  Extropolis 
> <https://groups.google.com/g/extropolis>
> ptp

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