[MD] constant

[Horse]

  Hi Guys

 From what my friend was saying, this new ( and I believe it is very new 
) idea about C has completely screwed the old ideas about relativity, 
special or otherwise and has, effectively, turned physics on it's head. 
It looks like it's as big a change from what we have thought until 
recently as the change from Newtonian physics to Quantum physics.
I've emailed him to see if he has any references that I can point you in 
the direction of!
I know about most of what's already been mentioned, slowing light down 
in different mediums, space stretching but remaining constant locally, 
gravitational variance etc. but, if I understood him correctly and he's 
normally pretty reliable on this sort of stuff, what he's talking about 
could mean that large chunks of physics is just about to be completely 
re-written!
I'll await his reply and let you know.

Cheers


Horse


On 02/09/2010 19:58, Magnus Berg wrote:
> Hi
>
> On 2010-09-02 12:45, Horse wrote:
>> Hi Marsha
>> It probably depends on what you mean by a vacuum but I was having an
>> interesting conversation with a friend of mine yesterday about C.
>> Apparently, from what I gather he was talking about, C is no longer a
>> constant but is dependent upon the curvature of space - i.e. if there is
>> a gravitational difference in one area of the universe compared to
>> another area (E.g. a singularity) then there will be a difference in the
>> value of C!
>
> Actually, c will still be constant because even if space is stretched 
> out, light will still travel so and so many km per second. It's just 
> that a km gets longer if space is stretched out. So, *locally* (inside 
> the stretched space), light travels at c, but from a point outside the 
> stretched space, the light will have travelled faster than c.
>
> Magnus
>
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