Faster than light travel: i think i invented it

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Faster than light travel: i think i invented it

Postby holomanga » Mon Sep 06, 2010 7:03 pm

Gravity is instant, right? So if we altered gravity (by moving mass around, for example) in a distant star system, then we would detect it here instantly. These changes could be in some sort of language, like morse code.

Correct me if I am wrong here.
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Re: Faster than light travel: i think i invented it

Postby anderscolingustafson » Tue Sep 07, 2010 2:53 am

No actually gravity travels at the speed of light rather than infinitely fast. Even gravity obeys the law of physics of not going faster than light.
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Re: Faster than light travel: i think i invented it

Postby holomanga » Wed Sep 22, 2010 3:44 pm

...damn.

So, I suppose we will have to wait hundreds of years before we get any messages from colonies once we have established them.
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Re: Faster than light travel: i think i invented it

Postby anderscolingustafson » Wed Oct 13, 2010 3:54 pm

So, I suppose we will have to wait hundreds of years before we get any messages from colonies once we have established them.


Not necessarily as even though nothing can go faster than light we might still be able to use wormholes to send and receive messages so that the message does not need to travel through all the space in between.
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Re: Faster than light travel: i think i invented it

Postby hosj » Wed Mar 07, 2012 3:17 am

That is actually why Einstein formulated the theory of general relativity. Newtonian gravity violated special relativity.
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Re: Faster than light travel: i think i invented it

Postby hosj » Wed Mar 07, 2012 3:18 am

In fact, space can expand faster than light. Plus, we could also stretch and warp space to travel faster instead of using wormholes.
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