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My very first post in year 2005.
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This is a question that bothered people since my favorite Mr. Einstein said that if a person move with the speed of light manages to travel through time.
True, he can finds out how dinosaurs became extinct, and solve many mysteries which bothered us for centuries. But this isn't fun; a time traveler may trap in history and never come back. But we don't need to worry about this until human discovered how to travel through time.
Okay, let’s get start.
First, I’ll list out some mysteries that may done by a time traveler:
1) The Pyramid: Of course, the advance knowledge to build such wonder needs a future guy to pass on.
2) Middle America people's Origin: What the Bible said maybe right, but there maybe another explanation.
3) Atlantis: Although this civilization might not be existed, but it might hide itself with advance technology.
4) The Real Existence of Gods and Legendary Creature: A time traveler will know if gods and legendary creatures are only an imagination, or not.
And more…
What I care about the most is the fourth point; some of the gods are beyond human’s imagination. Besides, there are too many gods and legends, how could people create such many thing within half of the years of the first human’s civilization?
Advance technology is something that bothers me too. If you’d study history carefully, you’ll discover that before the Middle Age, every important invention has an interval of time at least 500 years, with each other. A civilization like Atlantis couldn’t be possible to improve in such speed.
This is my own opinion:
What we called 'alien' maybe the future human, who knows how time travel works. If, only 'if', the earth's environment changed in the future, all living thing will evolve and variation will happens. Human's characteristic will change, of course.
My prediction:
Yes, we’ll know how to travel through time in the future.