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Wow, I didn’t know there were so many fortune tellers here!

Ensign_Torel

GROUP: Members

POSTS: 2059

Report this Nov. 12 2003, 5:40 pm

I am speaking to the myriad of posters who claim they know that we will never be able to travel faster than light. If you can tell the future as you claim, I need to speak to you about some investments. And to my dear boobies who has the odacity to insult the great Stephen Hawking, I never meant to pander to you, I simply wanted to point out that people with vision can imagine and achieve great things. And I never saw Cogenitor, and just for you I have another quote: Imagination is more important than knowledge -Albert Einstein I suppose that’s out of context too.

38957

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POSTS: 2103

Report this Nov. 12 2003, 6:06 pm

It has been proven that in 4 dimensional space that we can percieve, we cannot exceed the speed of light as the speed of light is infinity. Einstein theorized this and relativity had been subsequently proven.

I am open to the possibility of extra-dimensional travel that would have the affect of exceeding the apparent speed of light. Don’t ask me how to make this happen, though, if I knew, I wouldn’t be here.

Ensign_Torel

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POSTS: 2059

Report this Nov. 12 2003, 6:09 pm

Actually, the speed of light is 186,000 miles per second.

Ensign_Torel

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POSTS: 2059

Report this Nov. 12 2003, 6:11 pm

I think what you are referring to is that as you approach the speed of light, your mass increases, and as that happens, it gets harder and harder to accellerate, to the point of impossibility.

charlie_x

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POSTS: 1058

Report this Nov. 12 2003, 8:58 pm

There is no definitive speed of light. It is relative, relative to the medium it is traveling in. The speed light travels through water is not 300,000Kmh. People tend to forget the fourth demension to, Time.

Ensign_Torel

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POSTS: 2059

Report this Nov. 12 2003, 11:23 pm

Okay professor, you tell me, Alpha Centauri is four light years away, how long does it take light from Alpha Centauri to reach Earth? Four light years! The amount of time it takes light to travel in a year is a light year. Breaking it down to mph, it’s 186,000 per second.

markthom

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POSTS: 1666

Report this Nov. 13 2003, 12:18 am

The speed of light (in vacuum) is one of the few things that AREN’T relative in relativity theory. It slows down in media like water but that’s not relevant to the discussion about FTL travel. The relativistic "speed limit" of c (= the speed of light) is always about light’s speed in a vacuum.

38957

GROUP: Members

POSTS: 2103

Report this Nov. 13 2003, 8:52 am

You don’t understand relativity.

From our reference frame, which is psuedo-stationary, it appears that light travels at 300,000,000 m/s. But from the moving reference frame, that of the photon, light is traveling at infinite speed. So, as you increase in speed, in addition to gaining energy, time and distance contract.

If you were to fly in a space ship at a very fast speed, like half the speed of light to proxima-centarie and back, when you get back, you will have only aged a year or so, but the earth will have aged more than a decade. So, everyone you knew will be much older than you are, your kids could be older than you!!!

This is all described in mathematical formulas by Einstein. Basically, the faster you go, distance in your reference frame shrinks along the direction of travel and time passes more slowly than in the stationary reference frame. At its limit is the speed of light where distance becomes 0 and time does not pass.

So, at the speed of light you can travel the universe in an instant, from your relative reference frame. But to someone on earth it took you eternity.

Quantum Physics.

jimgrant1701

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POSTS: 145

Report this Nov. 15 2003, 10:55 pm

I would take exception to your word Proven. We have observed that time slows as speed increases. It seems to indicate E=Mc^2, but the math may not be practical at FTL speeds. Think about motion paradox. To get from point A to B, you have to travel half the distance. To get to that half way point, you have to travel half way. Since there are infinite halfway point, math says motion is not possible. But we do it.

38957

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POSTS: 2103

Report this Nov. 17 2003, 1:03 pm

The motion paradox is really just a limit equation isn’t it. When you take the limit as the number of iterations approaches infinity, then it leads you to the correct answer. I think people see the infinity in the equation and get confused and think paradox.

Speeking of infinity, the math may not be practical at FTL speeds because according to the math there is no FTL speed. The limit is infinity and that is c. What is infinity + 1? Why it is infinity, of course.

FTL will require extra-dimensional travel, if possible.

sparrowsavvy

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POSTS: 41

Report this Nov. 17 2003, 5:23 pm

A bit over my head I’m afraid, but check out this site for ideas- http://www.mathpages.com/rr/s3-07/3-07.htm

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