Re: Space Travel
- From: Ian Parker <ianparker2@xxxxxxxxx>
- Date: Thu, 28 Feb 2008 03:09:56 -0800 (PST)
On 28 Feb, 03:52, Alain Fournier <alain...@xxxxxxxxxxxx> wrote:
To travel faster
than c, you need to change the properties of space-time, bend
it in a way to make you reach your goal faster. Is it possible
to do so? As others pointed out there might be some causation
paradox if you can do so, but maybe there wouldn't be any
causation paradox if there are some constraints on when, where
and how you can change those properties of space-time for your
travel.
This means effectively that you have an absolute frame of reference
lurking somewhere. You can (at least in principle) say that the
limitations could be set be tachyons or faster than light particles.
These would prevent you from ever meeting your grandfather, or popping
the question to him.
If indeed tachyons exist and if the uncerainty principle limits us in
terms of QM computers (You can't ask your grandfather to factorize the
product of 2 large primes either), then you are in effect limited to
particles.
But even if it turns out that it is possible, it isWe are not worried about cost or technical difficulty at this point.
likely to be too expensive for you to ever be able to significantly
bend space-time between here and any other star system.
In any case we have to deal with particles and quite a lot of vitual
particles exist in the vacuum.
- Ian Parker
.
- References:
- Space Travel
- From: James Colvier
- Re: Space Travel
- From: Alain Fournier
- Space Travel
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