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Natural Science Forum / Physics / General Physics / February 2008



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Time travel

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faazex@gmail.com - 29 Feb 2008 01:22 GMT
I' ve got some idea about travelling in time.

Earth is reflecting sun's light. Let's say we have spaceship able to
move with ~0.9999999999999c. The light reflected from Earth is moving
through the space with c. We can't overtake it. We need some shortcut.
If we jump through space, overtake the light for 1000 years and build
a huge telescope at the end point, we'll be able to observe events
that had place 1000 years ago. It's the same thing like with stars.
We're now looking at objects which maybe not existing for millions
years. We see their light, we see what was. The problem is how to make
a shortcut and how to build some kind of huge telescope in space. I
think experiments like this will be possible maybe in next millenium,
when mankind will learn how to build really huge spaceships and travel
fast and far.  Sometimes I wonder why I didn't born few centuires
later... :\
Androcles - 29 Feb 2008 02:49 GMT
| I' ve got some idea about travelling in time.
|
[quoted text clipped - 11 lines]
| fast and far.  Sometimes I wonder why I didn't born few centuires
| later... :\#

When I was a child I spoke as a child, I understood as a child,

I thought as a child; but when I became a man I put away childish things."
I Cor. xiii. 11.
Phil Cartwright - 29 Feb 2008 17:45 GMT
> Sometimes I wonder why I didn't born few centuires
> later... :\

That one's easy. No-one will be born by long before then; they'll be
compiled.

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There's only four things you can be certain of: taxes, change, spam, and
death.

Uncle Al - 29 Feb 2008 21:05 GMT
> I' ve got some idea about travelling in time.
[snip]

  1) Violates causality.
  2) Bullshit.

> Sometimes I wonder why I didn't born few centuires
> later... :\

You were.

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Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/lajos.htm#a2

CWatters - 29 Feb 2008 21:53 GMT
> I' ve got some idea about travelling in time.
>
[quoted text clipped - 11 lines]
> fast and far.  Sometimes I wonder why I didn't born few centuires
> later... :\

Gravitational lensing bends light through an angle - perhaps you could cut
the corner and get there before it :-)
 
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