Hey Everyone,
First, apologies for not being regular.
This Post is an outcome of a quite interesting incident that happened to me last night.
I was reading lying on my bed and suddenly my cell phone rang!
An unknown number,it was 1.23 in the morning...expecting to hear one of my friends voice who must be trying to play some night game,but it was no familiar voice...He introduced himself as someone who knows me and wanted to ask some questions..I said 'Shoot'...And answer to the question is the rest of the post!
Time Travel!
Time Travel has never lost its position from the list of Most Discussed Topics, Since 1895 when H G Wells put forth the idea of 'The Time Machine' !
But it would be an insult to this concept to be so young!
It has been troubling the mortal minds since the ages of Mahabharat.(it is 'Mahabharat' and not 'Mahabharata')
It is mentioned that King Revait was imparted wisdom about Time Travel and its Marvels by Brahma back in 700BC.
Well what Revait and Brahma discussed, must have been mentioned in the Mahabharat Granth but encrypted in metaphors too high to understand in one life!
So how do we enlighten ourself with Time Travel?
Lets go to the source which is less encrypted and easy to understand.
Our Science Heroes!
Newton?
But he is the Person with most encrypted texts in science!
More closer...someone who can speak language of our 'Time'!
The living legend Stephen Hawking.
According to Hawking, Time is the fourth dimension.To explain dimensions let us take a simple example of...you standing at a fixed point with a tennis ball in your hand...standing there you can throw this ball straight ahead of you likewise behind you...that makes one dimension.Second dimension is when you throw the ball is to your right or left,And when you throw that ball in air or drop it vertically you add the third dimension!
In Maths we call it the Three Dimensional Axis.
Now,Time being the fourth dimension..our question is can we throw the ball such that it goes into the future or the past?!
The three now hypothetical ways in which one can travel time:-
1.Worm Holes
2.Orbiting a very heavy mass body such as the black hole
3.Travelling in train whose speed is nearly(99.9%) equal to speed of light
Worm Holes
Everything in this Universe is made of holes..right from your shirt to the mouse that is in your hand rite now...and so is the space and time!
These holes present in space and time are too small to believe it being real...but they are present.These are called Worm Holes.These holes, as in your shirt, are seperated by distance but if manipulated such that it is separated by time...they become the gate to the past!
But this creates something called Paradoxes!
Paradoxes as explained by Hawking...Suppose a boy creates a worm hole of one minute. This means that he can now go back in past one minute. He stands in front of the worm hole and loads a pistol. It takes him about 2 minutes to load it. Now he walks to the other side of the worm hole, the side through which the past is visible, from there he can see himself doing what he was doing one minute in past, loading the pistol. Now he fires the loaded pistol at himself(who is still loading the pistol). So how did he kill himself after dying..?!
This is a simple paradox.
Other thing which prevents time travel into past is because such a worm will destroy itself because of 'Feedback'.
Feedback is what you hear when microphone and speaker are kept close to each other!
It happens because the same sound note is amplified many number of times...if this goes on for long it may also blast the speaker!
Same is the case with worm holes...here the sound note are the electromagnetic radiations!
And..so according to Science because of the Paradox and feedback one cannot go into the past.
But going into the future is very much possible.
Orbiting a very heavy mass body such as a black hole.
Mass slows down time...this means when you are around the pyramids time for you goes slow than the people living in open lands!
It is a fact that the 33 Global Positioning Satellite or the GPS orbiting the massive Earth have to speed up their internal clocks every day in order to catch up with the Earth Timings!
As far as the human knowledge exceeds the object with most gravity is a Black Hole!
The idea is to built a spaceship and send a man to revolve around black hole...Scientist, on paper, using complex equations have made it possible!
When this man is revolving around the black hole..for him time is moving slow...and back on earth time is moving considerably fast with respect to him!
So by the time he finishes an year revolving around black hole..many years have passed back on earth.When he comes back to Earth he lands into future.This idea has no way of going back to where he had come from!
Travelling in train whose speed is nearly(99.9%) equal to speed of light.
It is believed that no matter how fast you move you just cannot beat the universe world record holder 'Light'.The basic idea here is when you are inside a train moving with 99.9% speed of light and you try to move in the forward direction with speed enough to break the barrier set by light(your speed now exceeds the speed of light when observed from ground)..but nature doesnt allow that and so your movement inside the train will be slowed...and so time for people inside the train is slow than people outside!
After travelling a year in train many years have passed normally on earth...so you are again standing in the future with no going back pass!
This are the three ways one can scientifically travel in future!
Let me speak personally now..
The way Science looks at Time is too much based on Clock and Dates!
Will try to discover another, may be higher, meaning to Time soon, very soon!
Thank You,
Atit Kothari.
