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Is time travel possible? What physicists say about that?

Is time travel possible? What physicists say about that?
Travel to the past is probably impossible. Hawking and others considered that you could not travel back before the moment your time machine is built. But to the future? It is possible.


The great 20th century scientist Albert Einstein two theories called “Special Relativity” and “General Relativity”. The ideas is too difficult to imagine because the ideas are not about we experience in everyday life. But scientists have confirmed them.

According to Albert Einstein’s theory of relativity, when you travel at the speed of light, time slows down for you relative to the outside world. There’s a speed limit of 300,000 km/s for anything that travels through space-time, and light always travel the speed limit through space. “Special Theory of Relativity” say us that space and time are the parts of one thing that is spacetime. The faster you move, the slower your clock ticks. If your clock ticks slow according to relativity to ones you are moving to past.

Suppose you shoot a gun and you want to see the bullet. Now you have to run faster than the bullet and you have to stand in front of the bullet. In this way you can see the bullet. According to relativity your past sound and the rays that reflect from Earth are spreading with the supreme speed in the space. Now you have to achieve the speed that can across the rays and the sound. After crossing it if you see behind then you can see the past. The “General Theory of Relativity” also provides scenarios that could allow travelers to go back in time.

The famous scientist Stephen Hawking firstly disagreed with the point of time travel that Einstein explained. He thought that if time travel will possible then where’s the future persons. One day he held a party and created an invitation card for future but no one came from the future in time. And he confirmed that time travel is impossible. But later he also changed his decision. "If one made a research grant application to work on time travel it would be dismissed immediately," writes the physicist Stephen Hawking in his posthumous book “Brief Answers to the Big Questions”.

Now, the ultimate question is “is time travel possible?”

Yes, it is possible. One day the touch screen mobiles, planes were also imagination to us Advances in quantum theories could perhaps provide some understanding of how to overcome time travel paradoxes.

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2 comments:

  1. It's quite good...you can check vigyan TV India you Tube channel to know more about it

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