Re: The Non-Relativity of Simultaneity



On Jan 2, 8:21 pm, "xray4abc" <lemhen...@xxxxxxxx> wrote:
PD wrote:
On Jan 2, 3:29 pm, "xray4abc" <lemhen...@xxxxxxxx> wrote:
Sam Wormley wrote:
xray4abc wrote:

Thank you! I do not think they offer something new for me !

Yes, ...but this is merely a result of our lack of infinite speed signals.

You are mistaken... these videos would probably be good for you.

http://www.learner.org/resources/series42.html

42. The Lorentz Transformation
If the speed of light is to be the same for all observers, then the
length of a meter stick, or the rate of a ticking clock, depends on
who measures it.

43. Velocity and Time
Einstein is motivated to perfect the central ideas of physics,
resulting in a new understanding of the meaning of space and time.
You know what, this is really a good site with teaching resources!
Thanks ! It could be really useful for me in teaching physics.

Please tell me you're kidding. About what? The site in question really IS intended to be
a source for teaching by its owners.
It is a very good site!

Other than that,.........I am too old a fox to be impressed and
think biased by what I see or I hear.
I may not be one of the best physicists but surely
I am one of most imaginative persons (which I can prove if
necessary).

The average schizophrenic strapped to a gurney has a lot of
demonstrable imagination. This doesn't mean that there is any
connection to reality.

Then, if I have problems in understanding the
mainstream view regarding relativity, I am sure that THERE
ARE problems there.

That would be a mistake. Nature is suprising and sometimes difficult to
understand. This does not mean that our understanding of nature is
incorrect. What it does mean is that some of our preconceived notions,
based on the small portion of the universe with which we have everyday
contact, may be poorly suited to understanding the rest of reality.
Overcoming those preconceived notions by direct confrontation with
experiment is one of the practices that is key to success in physics.

( I did not have problems until I tried to understand it better!!!!)


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