Time Travel is true and can be explained if one were to accept the Theory of Time as Non-Linear( Please read my blog on the subject under ‘Astrophysics).
Things we can not understand now need not necessarily be untrue.
‘As you’ve probably noticed, we’re all constantly engaged in the act of time travel. At its most basic level, time is the rate of change in the universe — and like it or not, we are constantly undergoing change. We age, the planets move around the sun, and things fall apart.
We measure the passage of time in seconds, minutes, hours and years, but this doesn’t mean time flows at a constant rate. Just as the water in a river rushes or slows depending on the size of the channel, time flows at different rates in different places. In other words, time is relative….
Time is something that most of us take for granted. Have you ever thought about why, for example, there are 12 months in a year? Why are there 30 days in September? Why are there time zones and what’s with daylight-saving time? Why are there 86,400 seconds in a day?..
But what is this other dimension? Mystics used to see it as a place where spirits lived, since they weren’t bound by our earthly rules. In his theory of special relativity, Einstein called the fourth dimension time, but noted that time is inseparable from space. Science fiction aficionados may recognize that union as space-time, and indeed, the idea of a space-time continuum has been popularized by science fiction writers for centuries
[source 1=”<a” 2=”2="href="http://www.nytimes.com/2002/05/12/weekinreview/ideas-trends-unbreakable-he-s-still-ready-for-his-close-up.html">Overbye</a>"” language=”:”][/source]</p>
<p>. Einstein described <a href="http://science.howstuffworks.com/question232.htm">gravity</a> as a bend in space-time. Today, some physicists describe the fourth dimension as any space that’s perpendicular to a cube — the problem being that most of us can’t visualize something that is perpendicular to a cube</p>
<p>[source 1="<a" 2="href="http://discovermagazine.com/1993/jul/escapefrom3d237">Cole</a>" language=":"][/source]
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Researchers have used Einstein’s ideas to determine whether we can travel through time. While we can move in any direction in our 3-D world, we can only move forward in time. Thus, traveling to the past has been deemed near-impossible, though some researchers still hold out hope for finding wormholes that connect to different sections of space-time
[source 1=”<a” 2=”2="href="http://www.livescience.com/technology/070307_time_travel.html">Goudarzi</a>"” language=”:”][/source]</p>
<p>.</p>
<p>If we can’t use the fourth dimension to time travel, and if we can’t even see the fourth dimension, then what’s the point of knowing about it? Understanding these higher dimensions is of importance to mathematicians and physicists because it helps them understand the world. String theory, for example, relies upon at least 10 dimensions to remain viable</p>
<p>[source 1="<a" 2="href="http://www.pbs.org/wgbh/nova/elegant/dimensions.html">Groleau</a>" language=":"][/source]
. For these researchers, the answers to complex problems in the 3-D world may be found in the next dimension — and beyond.
http://science.howstuffworks.com/science-vs-myth/everyday-myths/time.htm
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