Re: physical laws and the universe
- From: "Androcles" <vanquish@xxxxxxxxxxxx>
- Date: Tue, 24 Jan 2006 21:38:31 GMT
"Mike" <eleatis@xxxxxxxx> wrote in message
news:1138128638.773824.95100@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> Ken S. Tucker wrote:
>> photonics wrote:
>> > Hello there,
>> >
>> > Physics has a tradition of modeling things into mathematical
>> > equivalents and then extrapolating the model to predict further
>> > possibilities. We observe the motion of particles and formulate the
>> > laws of motion. Now we use these laws to solve further problems
>> > involving motion of particles.
>> >
>> > This involves a sort of determinism, which is validated by observation,
>> > that within the stated conditions the observed system is bound to obey
>> > the rules which we formulated.
>> >
>> > My doubt is, in a broader sense what makes sure of this. What makes
>> > sure that everything always follows certain rules. Why the universe
>> > doesnt evolve to be completely chaotic, without any specific laws. Or
>> > simply, what makes sure that the universe always obey mathematical
>> > models?
>> >
>> > Is there any kind of memory?!
>> >
>> > In a sense, the question I would like to raise is " why the universe is
>> > like this?" It could have evolved in many other ways. What keeps it in
>> > this way?
>> >
>> > Please post your views and do let me know if I didnt express it
>> > properly.
>> >
>> > Cheers,
>> >
>>
>> Mr. Gopakumar Ramakrishnan
>>
>> I think that's a good question. If there is a GOD he's
>> one lazy SOB. Seems everything boils down to the
>> principle of least action, so you don't need a memory,
>> just do what's easiest in the here and now.
>> Ken
>
> The "principle of least action" is really the "action principle". The
> wrong naming due to fermat has compeled cranks like you to think it
> implies minimum action or minimum work or energy. But in reality, the
> paths may be maxima, minima, or saddle points, depending on whether the
> path length is stationmary wrt variations in the path.
>
> Mike
Holy cow!
*plonk*
Androcles
.
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