Lifestyle > Train of Thought
time travel
Trauma-san:
--- Quote from: rafsta on December 15, 2004, 04:41:39 AM ---
--- Quote from: Trauma on December 14, 2004, 08:12:39 PM ---Oh, and here's my little 'genius' addition to that (which Einstein himself may have figured out, he's certainly much better at stuff like this then me)... this whole theory apparently hints at the idea that time is somehow linked to the speed of light. For instance, like above, if you see the person at the midpoint of the football field, that's your reality, and the TIME you are in, at the second... but in reality, the person has made it to the other end of the football field already, by breaking the speed of light. That person is in the future, but to you, the person you still see at the 50 yard line is in the present... the person you see at the 50 yard line is a representation of the speed of light reaching your eyes... so we all exist, in the scope of time, at the speed of light. That's why breaking the speed of light will allow time travel.
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hmm intriguing....
BUT technically you havent really travelled through time, youre just travelin faster than the protons or wateva they are that carry light beams, in that time where you go to the end of the field you have aged the same amount of time as the other person, this is confusin shit, thats some good shit trauma...
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^ That's what I'm getting at, though... Time is relative to the person observing it, Everyone that WASN'T moving at the speed of light, would see you, but in reality, you'd be somewhere else... they'd see you there in the future, so to everyone (the entire world!) you would have traveled into the future. Time itself is contingent upon the speed of light, it would seem by Einstein's theory of relativity.
rafsta:
i have
rafsta:
yeh man i have a lil better understanding now, i found a website which relates to ure theory... this is the first page..
This section of the time travel web site has been designed for the "amateur" physicist. We will assume no previous knowledge of elementary physics. So, where do we start? How about time? What is time? The Oxford English Directionary defines time as "a limited stretch or space of continued existence, as the interval between two successive events".
We glance at our wristwatches and notice the second hand slowly counting the passing seconds. We are in our own time machines: Our hearts are pumping blood, we're breathing, we are existing through time (at least until our own personal time machines seriously malfunction).
What are the possibilities of moving through time at a rate different to one day per day? Common sense tells us that it's all nonsense - time travel is impossible. However, common sense is not always such a good guide. Some hundred years ago common sense said man could never fly, now we travel all over the world.
There are problems. The commonest are the so-called paradoxes. For example, if we could travel through time, imagine what would happen to a time traveller if he (or she) travelled back in time and killed his own grandmother at birth. In theory the time traveller will therefore never be born, so the journey could never have been made in the first place; but if the journey never occurred then the grandmother would be born which means the time traveller would have been born and could make the journey ... and so on and so on. This is a paradox.
There are two possibilities to resolve this paradox. The first is that the past is totally defined, i.e. everything that has happened or must happen, including the time traveler's attempt to kill his grandmother, cannot be altered and nothing will change the course of history. In other words, the time traveller will experience endless "mishaps" in trying to kill his grandmother and will never achieve the murder, thus keeping time (or at least events) intact.
The second possibility is more complex and involves the quantum rules which govern the subatomic level of the universe. Put simply, when the time traveller kills the grandmother he immediately creates a new quantum universe, in essence a parallel universe where the young grandmother never existed and where our time traveller is never born. The original universe still remains. Stephen hawking believes he can explain the origin of our universe in a variation of this parallel-worlds theme.
Having explained these paradoxes, how does one travel through time? The secret is to travel at speeds faster than the speed of light. The main text of the web site explains this in great detail. The obvious problem with traveling very near the speed of light is that as you approach C (the speed of light), time slows down until at C time stops. How can you go faster if time has stopped? The answer involves a complex process called quantum tunneling and is discussed at length in the main text of this web site.
Once the velocity becomes greater than C time moves backwards. We have entered into the realms of negative time.
this is the adress, its a well respected website about time travel....
http://freespace.virgin.net/steve.preston/time7.html
7even:
--- Quote from: Woodrow on December 14, 2004, 05:14:45 PM ---If it's possible, I'd go back 30 seconds and try and reclaim the time it took me to read this post.
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lmao...
I think it is possible. Not Hollywood-Movie like, though. Read what Trauma said.
rafsta:
i just read that if utravel faster than the speed of light you go backwards in time, the only thing possible to do so is a black hole which has gravity so powerful it sucks up light...
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