🚀 go-pugleaf

On Oct 14, 10:25 pm, Pentcho Valev <pva...@yahoo.com> wrote:
> On 15 Oct, 07:07, Tom Roberts <tjroberts...@sbcglobal.net> wrote in
> sci.physics.relativity:
>
>
>
>
>
> > gu...@hotmail.com wrote:
> > > A person pulling Hi G's in a plane can barely move, likewise a clock
> > > should also have a hard time moving, which would cause time dilation?
>
> > The decay of muons is a clock that is unaffected by an acceleration of
> > 10^18 g -- vastly larger than any pilot could sustain.
>
> > > Yet none of the airplane time dilation tests seem to have taken this
> > > into account.
>
> > There is no such effect to take into account.
>
> > > As well Gravity generates a time dilation,
>
> > It is not "gravitational force" or "gravitational acceleration" that is
> > associated with gravitational time dilation, it is a difference in
> > gravitational potential. Loosely speaking, that is a difference in
> > energy, not an acceleration.
>
> > Tom Roberts
>
> Bravo Roberts bravo Tom bravo Albert Einstein of our generation
> (Hawking is no longer the Albert Einstein of our generation)! Let me
> elaborate. What you say above is in accordance with what only half of
> your criminal brothers teach - that the speed of light is CONSTANT in
> a gravitational field:
>
> http://www.astronomynotes.com/relativity/s4.htm
> "Prediction: light escaping from a large mass should lose energy---the
> wavelength must increase since the speed of light is constant.
> Stronger surface gravity produces a greater increase in the
> wavelength. This is a consequence of time dilation. Suppose person A
> on the massive object decides to send light of a specific frequency f
> to person B all of the time. So every second, f wave crests leave
> person A. The same wave crests are received by person B in an interval
> of time interval of (1+z) seconds. He receives the waves at a
> frequency of f/(1+z). Remember that the speed of light c = (the
> frequency f)   (the wavelength L). If the frequency is reduced by
> (1+z) times, the wavelength must INcrease by (1+z) times: L_atB =
> (1+z)   L_atA. In the doppler effect, this lengthening of the
> wavelength is called a redshift. For gravity, the effect is called a
> GRAVITATIONAL REDSHIFT."
>
> http://helios.gsfc.nasa.gov/qa_sp_gr.html
> "Is light affected by gravity? If so, how can the speed of light be
> constant? Wouldn't the light coming off of the Sun be slower than the
> light we make here? If not, why doesn't light escape a black hole?
> Yes, light is affected by gravity, but not in its speed. General
> Relativity (our best guess as to how the Universe works) gives two
> effects of gravity on light. It can bend light (which includes effects
> such as gravitational lensing), and it can change the energy of light.
> But it changes the energy by shifting the frequency of the light
> (gravitational redshift) not by changing light speed. Gravity bends
> light by warping space so that what the light beam sees as "straight"
> is not straight to an outside observer. The speed of light is still
> constant." Dr. Eric Christian
>
> The other half of the hypnotists in Einstein criminal cult, among them
> YOU Roberts Roberts, the Albert Einstein of our generation (Hawking is
> no longer the Albert Einstein of our generation), teach that the speed
> of light in a gravitational field is VARIABLE; as you know Roberts
> Roberts, this implies that there is NO GRAVITATIONAL TIME DILATION:
>
> http://www.blazelabs.com/f-g-gcont.asp
> "The first confirmation of a long range variation in the speed of
> light travelling in space came in 1964. Irwin Shapiro, it seems, was
> the first to make use of a previously forgotten facet of general
> relativity theory -- that the speed of light is reduced when it passes
> through a gravitational field....Faced with this evidence, Einstein
> stated:"In the second place our result shows that, according to the
> general theory of relativity, the law of the constancy of the velocity
> of light in vacuo, which constitutes one of the two fundamental
> assumptions in the special theory of relativity and to which we have
> already frequently referred, cannot claim any unlimited validity. A
> curvature of rays of light can only take place when the velocity of
> propagation of light varies with position."......Today we find that
> since the Special Theory of Relativity unfortunately became part of
> the so called mainstream science, it is considered a sacrilege to even
> suggest that the speed of light be anything other than a constant.
> This is somewhat surprising since even Einstein himself suggested in a
> paper "On the Influence of Gravitation on the Propagation of Light,"
> Annalen der Physik, 35, 1911, that the speed of light might vary with
> the gravitational potential. Indeed, the variation of the speed of
> light in a vacuum or space is explicitly shown in Einstein's
> calculation for the angle at which light should bend upon the
> influence of gravity. One can find his calculation in his paper. The
> result is c'=c(1+V/c^2) where V is the gravitational potential
> relative to the point where the measurement is taken. 1+V/c^2 is also
> known as the GRAVITATIONAL REDSHIFT FACTOR."
>
> http://www.physlink.com/Education/AskExperts/ae13.cfm
> "So, IT IS ABSOLUTELY TRUE THAT THE SPEED OF LIGHT IS NOT CONSTANT in
> a gravitational field [which, by the equivalence principle, applies as
> well to accelerating (non-inertial) frames of reference]. If this were
> not so, there would be no bending of light by the gravitational field
> of stars....Indeed, this is exactly how Einstein did the calculation
> in: "On the Influence of Gravitation on the Propagation of Light,"
> Annalen der Physik, 35, 1911. which predated the full formal
> development of general relativity by about four years. This paper is
> widely available in English. You can find a copy beginning on page 99
> of the Dover book "The Principle of Relativity." You will find in
> section 3 of that paper, Einstein's derivation of the (variable) speed
> of light in a gravitational potential, eqn (3). The result is, c' = c0
> ( 1 + V / c^2 ) where V is the gravitational potential relative to the
> point where the speed of light c0 is measured."
>
> Tom Roberts wrote in sci.physics.relativity:
>
> > Pentcho Valev wrote:
> > > CAN THE SPEED OF LIGHT EXCEED 300000 km/s IN A GRAVITATIONAL FIELD?
> > Sure, depending on the physical conditions of the measurement. It can
> > also be less than "300000 km/s" (by which I assume you really mean the
> > standard value for c). And this can happen even for an accelerated
> > observer in a region without any significant gravitation (e.g. in
> > Minkowski spacetime).
> > Tom Roberts tjrobe...@lucent.com
>
> Pentcho Valev- Hide quoted text -
>
> - Show quoted text -

Acceleration causes time go slower. Speed keeps it there.

Mitch Raemsch