🚀 go-pugleaf

In article <56sc4a$o...@phaedrus.kralizec.net.au>,
rrudek@zeta.org.au.NoJunkMail (Richard RUDEK) wrote:

> Ripper <rip...@flash.net> wrote:
> 
> >> :>You people need to be a little more creative. You don't need headlights
> >> :>at the speed of light. All you have to do is put a big reflector at the
> >> :>rear end of the car. As bright as your car will be glowing at that
> >> :>speed, it will illuminate its own way. Duh!
> >> :>
> >> :>-Raffi
> 
> >Quick question. How's it gonna light its own way when the car is
> >traveling at the same speed as the light being used to illuminate the
> >way? You would not see any light at all if you were traveling at light
> >speed because the light would never catch up to you if it were behind
> >you, and you would never catch up to it if it was ahead of you. So
> 
> What about from the side ?

You all seem to have one basic problem of understanding, which is quite
normal for beings living in sub relativisitc environments (means being
significantly slower than light :-). The problem is: Space and time are no
constants. Lightspeed is the one constant that matters. No matter how fast
you travel you always perceive lightspeed to be the same no matter in
which direction light travels from you.
The rest is simple mathematics...
If you approach lightspeed space will dilate for you, i.e. you perceive
the distance you travel to become shorter. For an external observer it
will seem like your time is running slower.
Of course you can never reach lightspeed since your mass is also dilating
(it grows), when you want to accelerate any material to lightspeed it will
take infinite power to do so.

If you really want to understand the concept ge a book about Einsteins
Theory of Special Relativity. Don't try to start with the general theory,
it is MUCH harder. And don't get the original script, get something that
explains the theory.

-- 
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Guido K�rber -            Programmer and hardware hacker 
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