[ExI] Faster than light??

[Tomaz Kristan]

> End of relativity, end of causality, ability to signal backwards in time.


IF some assumptions of relativity are correct, only then FTL particles would
mean ability to signal backward in time. Only then.

But if the Relativity is even more wrong, then no signaling backward in
time. That the transluminal speed means travelling back in time is a solely
relativistic concept.

Nor the causality must die if the Relativity goes. Both, the causality and
ther imposibility of time travel are alive and well inside a Newtonian
world. Probably inside many other theoriethical worlds. Which one is realy
THIS, I don't know. Have no idea.








On Tue, Sep 27, 2011 at 8:44 AM, Eugen Leitl <eugen at leitl.org> wrote:

> On Mon, Sep 26, 2011 at 02:56:52PM -0700, Samantha Atkins wrote:
> > On 09/23/2011 08:15 AM, john clark wrote:
>
> > How exactly does it draw everything into question if an exotic subatomic
> > particle travels faster than light when sufficiently energized?
>
> End of relativity, end of causality, ability to signal backwards in time.
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