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It's also why we have electricity at our fingertips. So we shouldn't let the fact that some of these ideas are only theoretical to stop us from doing the ground work that might create a breakthrough in space travel in the future.

Being able to tease a wormhole out of the fabric of space and time may be theoretical today but there's no reason to assume that this will always be so. Einstein's theory of relativity already makes it theroetically possible to travel through time. No doubt even this may have been fuled by stories like The Time Machine and other science fiction stories about space travel. Who knows when this will be a reality. At some point some bright young mind will make travel through the vast distances of space possible. Einstein, Rosen, Hawking have made leaps in our understanding of these exotic phenomena in space, likely partially inspired by the imaginations of science fiction writers. After all, we are already able to travel short distances in space; to the space just outside of Earth's atmosphere, to our own moon and we can send probes to the outer reaches of the solar system and have them bring back information for study. It is only a matter of time when humans themselves can travel through space. It may take a great deal of time but no matter. We have the great imaginations of science fiction writers and the great thinking minds of scientists to thank for out advances in space exploration. Now all we need is a new generation to make another leap forward and one of the most interesting places to start looking is science fiction work.

So, what lies on the other side of a black hole? That is the question. According to Einstein's general relativity laws nothing can escape a black hole. But if a black hole is very, very small things are different. Stephen Hawking predicted that when it comes to mini black holes, these tiny ones radiate energy or radiation, called Hawking radiation. Hawking predicted that mini-black holes evaporate and when this happens some the information from them disappears. The laws of quantum physics says information can never really be totally destroyed. Stephen Hawking mathematically proved that that some of the information that went into these tiny blackholes never comes back This shocked the scientific community because it was assumed that all information that is trapped inside a black hole never came out again but was destoyed. but then this again brings up the possiblity of where did that informatin travel to? Did it come out through a whitehole somewhere else in space and time? Exploration of these things is what lays the groundwork for finding actual physical evidence and then finding ways to engineer the machines that we need to help us travel through space.

Is Hawking correct? Maybe he is. Chandrasekhar was right about what was later termed by Wheeler as "blackholes", Eisenstein and Rosen made contributions to this understanding, especially Einstein, and many others have as well, like Hawking. Where this information in mini blackholes goes may be a key to understanding and unlocking the mystery of space travel. So the next time you hear about time travel on tv shows like Star Trek or Lost or read about people going to distant galaxies far, far away, just remember that centuries from now people may be doing just that - traveling through space and time.

Learn more about this author, Victoria Jeffrey.
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