Could anyone really go back in time? Could we fast-forward time to instantly appear in the future? These two questions are associated with Time Machine and Time Travel. And it all involves the concept of Albert Einstein’s Theory of Relativity.

Of course it’s still a theory up to now; time travel is possible and we can’t say it’s impossible either because it has not been proven yet.

Understanding Einstein’s Theory of Relativity

To further understand the concept of Einstein’s Theory of Relativity, click this link

To build a time machine using Einstein’s Theory of Relativity requires a black hole. This black hole will be used to form a worm hole. Worm hole connects two different locations -both time and space, like the past and the future.Inside a worm hole both gravity and space are twisted. A time traveler would enter from one end of the worm hole and emerge to the other. That is from present to future or from present to past, depending on your choice.

Sounds so easy and simple, you may need to consider these facts:

What is a black hole? A black hole is a place in space where gravity pulls so strong that nothing, not even the speed of light, can escape. This happens when a star is dying. It’s called black hole because it’s pure black and no light, making it so hard to see. Only special telescope could help us find a black hole.

“The sun will never turn into a black hole. The sun is not a big enough star to make a black hole.” –NASA

How fast is the speed of light? Light travels at a constant, finite speed of 186,000 mi/sec

Taking these facts into account proves the reasons why until now there is no created time machine. I mean, who could get a black hole or even come close to a black hole in space? However, science is still evolving. And here comes another genius who’s a professor of theoretical physics at the Connecticut University, Ronald L. Mallett, who believes he has discovered an alternative way to time travel in the past, using a more accessible ingredient, light.

Mallett’s idea is much less bizarre. He has teamed up with other scientists in building his time machine. But he said his idea won’t allow anyone to travel back in time before the machine was turned on.

Let’s just wait and see what would happen in time…

Related article: The Time Traveler's Wife

Photo credits: astronomical clock from mararie's flickr

black hole from badastronomer's flickr

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