Category: Universe
Is Time Travel Possible?
By xing2008 on Dec 11, 2008 | In Universe | Send feedback »
Is time travel possible? If one day, somebody knocks on your door and tells you that she is your great great great granddaughter, what will be your reaction? She also tells you that at her time, human can harness the energy to achieve time travel. Is… more »
Another Copies of You in the Universe?
By xing2008 on Dec 3, 2008 | In Universe | Send feedback »
What most of us believe right now is that there is only one Earth in the Universe. However, according to the String theory, there exists another planet that is exactly the same of the Earth, which means that there is another copy of you in that planet l… more »
