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"Et tao metho cetty undure me vasa queno bestho et lyar."



May wisdom override religion and faith override knowledge.



There are clear differences between them. Wisdom is gained and is the appropriate use of knowledge learned. Faith is the essence of religion and guide of wisdom.

COMMENTS

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Joli
04:06 Jul 24 2008

This is profound and beautiful.

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Time travel has long held our fascination and the possibility of "what happens" has been at the centre of debate for a rather long time.



The problem I am going to talk about today is that of the "Grandfather Paradox". If you are unfamiliar with it let me explain it to you.



If you could travel back in time and accidentally killed your Grandfather, before you were born, how could you have traveled back in time to begin with, since you were never born?

In general, questions of a speculative nature are ignored by the Scientific Community simply because there is little way to accurately and definitively answer them.

However, this paradox has not been ignored because its answer(s) can help us understand the world around us and even how the Universe began.



For most of the time that this paradox has been known the "safe" answer has been simple, time travel is impossible. Today, however, we understand that time travel may in fact be possible via increased speed and the new science of warping space-time.



There are two possibilities that may be both be correct.



The first answer is more logistical than raw physics but its simplicity is rather refreshing.



You build a time machine and try to go back 10 years, but there's a problem, you can’t. Why? Because there is no time machine for you to travel back to. You could build a time machine and wait 10 years, then you could use it to go back 1 year, 5 years or the full 10 but no further. Therefore you could never reach your grandfather before you were born because there is simply no means to get there.



The second can be a little more tricky due to the nature of infinity.



In the 3rd dimension time flows in a rather linear fashion, but with each action you create a negative possibility. In other words for each action there is an equal and opposite reaction. Because we exist in 3d space-time everything that we have done or will do is set and can not be altered but that means that there is now a parallel universe comprised of all the opposite actions we didn't take in this universe.



Should we be able to travel back in time we may be able to alter events but at the same time those altered events will only occur in a new universe, our universe is set and cannot be changed. The reason why we can’t change events in our universe is because they have already happened.



Both of these answers are correct, unless you build a time machine that can go with you then only the second is right. I hope that this brief writing helps and I’m certain I will be getting some questions so please don’t hesitate to ask them :)