Re: IS high energy physics real ?

From: Martin Hogbin (goatNOSPAM1_at_hogbin.org)
Date: 10/03/04 

Date: Sun, 3 Oct 2004 12:06:29 +0000 (UTC)

"eighth man" <eighth@libero-dot-it.no-spam.invalid> wrote in message news:415f1eaa$1_1@127.0.0.1...
> I have a few questions:
>
> 1) I read that particle physics uses
> accelarators and computers to compare
> results according to Feynman diagrams.
> According to the precision these diagrams
> may be 70 or 40000 and eventually millions
> to trillions all very complex to calcuate.
> At what point (decimal point;) will scientists
> think the precision will be enough ? (a trilllion
> feynman diagrams?) And if so will they be
> even able to calcuate it ? and even after won't
> they be curious to know if a higher precision
> could lead to something else ?

Probably.

> 2) after the grand theory of everything is
> achieved maybe 300 years from now, will
> scientists still study all the theoretical structures
> anyways even if it has no use for physics anymore ?

Who knows?

> 3) particle accelarators, theories, computers
> etc. seem quite distant from reality... it makes
> me think sometime"is it real ?"
> I mean there is only one level seperating a
> virtual reality program from reality (the program)
> whereas in particle physics we have about 5 or 6
> (accelerators, theories, computers, calcuations etc)

What is real and what is not is a subject for philosophers
rather than physicists. In physics, if you can measure it
it is real.

Martin Hogbin

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