Re: Michelson-Morley
- From: "Pentcho Valev" <pvalev@xxxxxxxxx>
- Date: 31 Mar 2007 10:25:29 -0700
Tom Roberts wrote:
ca314159 wrote:
Does a classical analysis of the Michelson-Morley Experiment
suffice to explain its outcome?
No.
From what I can tell the experiment set out to measure
the absolute velocity v, of the Earth relative to the aether,
but in order to do so, the classical analysis requires
knowing what the speed of light is relative to the aether.
But knowing what the speed of light is relative to the aether
is not possible (if it were then v would be known),
so the speed of light that Michelson and Morely relied on
was that which they measured by assuming the Earth was at rest
which would mean v must equal zero and hence the null result.
They assumed that the speed of light is _constant_ relative to the
aether, and that their apparatus moved relative to the aether with at
least the earth's orbital speed around the sun. Classically these two
assumptions lead to a non-null result. This is so, independent of the
actual speed of light relative to the aether, as long as it is constant.
Today we know their experiment gives a result consistent with zero, and
that SR and GR are excellent models of the world that are consistent
with that result. The classical physics they used is inconsistent with
that result.
Bravo Roberts bravo Tom bravo Albert Einstein of our generation!
Hawking is no longer the Albert Einstein of our generation because he
does not know what the Michelson-Morley experiment has really proved
but there is a John Norton who does:
http://philsci-archive.pitt.edu/archive/00001743/02/Norton.pdf John
Norton: "Einstein regarded the Michelson-Morley experiment as evidence
for the principle of relativity, whereas later writers almost
universally use it as support for the light postulate of special
relativity......THE MICHELSON-MORLEY EXPERIMENT IS FULLY COMPATIBLE
WITH AN EMISSION THEORY OF LIGHT THAT CONTRADICTS THE LIGHT
POSTULATE."
Now be careful Roberts. If you cannot demonstrate your superiority
over this John Norton, HE will become the Albert Einstein of our
generation and you....sorry Roberts you will be dismissed, just like
Hawking. Life is cruel sometimes.
Pentcho Valev
.
- References:
- Michelson-Morley
- From: ca314159
- Re: Michelson-Morley
- From: Tom Roberts
- Michelson-Morley
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