2 Oct 03 Why is the Grandfather Paradox regarded as being a Paradox ? What assumptions are being made with this example? Garry

The Gravity Transformations and the Creation of a Universe The Gravity Transformations provided at the Website and in many of these postings lead to an interesting, and...

My question concerns generation of graviational waves. A topic I am not familiar with so please excuse likely misconceptions. In MWT chap. 36 p. 975, an argument is given...

In article , (Patrick Reany) wrote: Some defamers of Einstein wrongfully charge him with being a...

I was wondering if the electron compton wavelength divided by 2pi is an invariant quantity? A main result from compton scattering is, lambda_C/2pi = hbar/m_e*c Everything...

Frettel01 wrote: Retic Postings and SPAM There have been multiple accusations that the postings of H. E. Retic are SPAM. The writer’s postings are carefully...

Alas there is more misinformation being passed around. This time regarding the precise definition of "Lorentz Transformation." The misinformation is that, for example, a...

Gamma I am a passenger on a spaceship named Frame1. We left earth (Frame0) yesterday and accelerated to 150,000,000m/sec wrt Frame0. On earth, our spaceship was built to be...

The Internet's Best Time Travel Chat Room http://www.geocities.com/lunanic111/time.html Proton_Decay

Just as a helping hand to everyone who's trying to learn the mathematics behind some of the sexier areas of physics, here's a link to some absolutely wonderful notes I've...

Is it fair to say that with planets moving around stars in solar systems that move around the hubs of galaxies that themselves rotate etc. that it is meaningless to say that...

Retic Postings and SPAM There have been multiple accusations that the postings of H. E. Retic are SPAM. The writer’s postings are carefully constructed so as remain...

I was curious why there is such keen interest in M-theory (strings) when it has not offered any experimentally testable predictions. I recall Stephen Hawking saying in one of...

(Ken S. Tucker) wrote in message ... I've tried to access the thread "What energy in...

I was reading an old book about GR and the authors talked briefly of an affine space, with connection coefficients, and a Riemann space, with a metric and connection...

Was just musing about light bulbs while doing the washing up, and this occurred to me (a friend of mine is very keen on lamp technology and we discuss it often). It's more...

Folks, I'd like to learn, to do problems in, to progress my understanding of relativity. Somewhere where there are genuine students of relativity and without Seto, Wilson,...

The statement that SR "abandoned" the Aether is misleading. As Dr. Einstein said, "remember genetlemen, we have not disproven the Aether, we have merely shown that we do not...

Vincent wrote: Hello, Do you know how the CMB Spectrum (C_l) is calculated in details? What are the assumptions make on the anisotropies to avoid dependance ...

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