Re: thought experiment
From: Androcles (androc1es_at_nospamblueyonder.co.uk)
Date: 09/03/04
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Date: Fri, 03 Sep 2004 14:20:17 GMT
"Henri Wilson" <H@..> wrote in message
news:o45fj09251mherb303pt064cluf49vqj18@4ax.com...
| On Mon, 30 Aug 2004 22:56:10 GMT, "Androcles"
| <androc1es@nospamblueyonder.co.uk> wrote:
|
| >
| >"Len Gaasenbeek" <gaasbeek@rideau.net> wrote in message
| >news:10j78ct2vvk8e5a@corp.supernews.com...
| >| To Endrocles,
| >|
|
| >| To be a scientist you have to have the courage to discard the
illogical,
| >no
| >| matter what religion or cult tells you to the contrary. Because the
| >| scientific method doesn't allow for miracles.
| >| A body can be black or white, but it can't be both black AND white all
| >over,
| >| at any given point in time.
| >|
| >| "Faith may be defined briefly as an illogical belief in the occurrence
of
| >| the improbable."
| >| H. L. Mencken (1880-1956), US journalist.
| >| Prejudices, 'Types of Men'
| >|
| >| Len.
| >
| >I happen to agree with your fundamental philosophy, but when you state
| >velocity is independent of time when clearly everyone uses miles per
hour,
| >'hour' being a unit of time, you are totally off your rocker.
| >
| >Androcles
| >
|
| Don't be hard on Len. He has some excellent ideas.
That would be fine, H, but Len doesn't back them up when challenged.
Instead he finds some one-line quote from a book he's read that
he supposes will make his point for him, usually irrelevant. His entire
campaign to promote his "selected papers" (who selected them, Len?)
is founded on his wild imagination that someone, somewhere is going
to believe his helical photon theory, fundamental to which is light
speed being observer dependent. Len wants to agree with that and
is proposing a physical cause for same; he totally ignores any
evidence to the contrary. Having great ideas is one thing. Refusing
to listen to the ideas of others, especially when backed by evidence,
places Len in the same psychological category as the aetherialists and
the relativists. He doesn't snip, but he doesn't respond either.
|
| Len is not completely wrong on that last one, A.
|
| Consider a spaceship that fires its engine at a constant rate for a
period.
| You can say that its velocity is changing as a function of time WRT an
external
| point, such as its base. But to the ship's occupants (who have no windows)
,
| the velocity is always zero, even though they know a force is acting on
them.
That is simply the principle of relativity.
The rocket exhaust isn't feeling any force though, and it has a velocity
relative
to the ship that is dependent on time. You cannot even discuss velocity
without
time. Sure it can be constant, but it is meaningless without change of
position as
as function of time.
Androcles.
|
| Henri Wilson.
| www.users.bigpond.com/hewn/index.htm
|
| See proof that light speed is source dependent.
| www.users.bigpond.com/hewn/variablestars.exe
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