Yong’s blog article (link) talked about a hot topic recently. A very famous physicist Dr. Hawking discussed the possibility of building a time machine to help people travel across time. It sounds very interesting. No wondering so many movies about travelling across time were made. My favorite one is Terminator. I still think it is really cool for John Connor to be older than his dad (or at least about the same age) since his dad came back from future.
At a first glance, the research illustrated by Dr. Hawking sounds interesting and might have substantial impact on human beings. But it is more likely that it will not affect the welfare of most of us, our children, our grand children, and grand-grand children and so on. As a result, I am not that excited about that kind of research at all. It looks to me that the most likely scenario is to slow down your clock when your speed is high enough. Then you can go to the "future". I am not sure if I should call that the future or not either because the future by definition is a point of some periods later on YOUR time domain. Going to the future of someone else by slowing down your clock doe not count. I really doubt that going to someone else’s future can bring in any benefits except for satisfying your curiosity.
I watched Dr. Hawking’s interview with Larry King on CNN last weekend. He raised another contraversial topic. Dr. Hawking said that it is very likely for lifes to exist on other planets and it could be disasterous for human beings to contact them. These lifes are likely to be more advanced than human. It is also very likely that they have exausted their resources and will invade the earth for our resources. I was just wondering at that moment, "what? Did Dr. Hawking just wathced the movie ‘Indepence Day’ and got really excited about it?" By the way, Independence Day is my another favorite movie. If you haven’t watched it, I highly recommend it.
When Larry King asked, "Should we stop the research of looking for these lifes (outside the earth)?" "No, it is too late." said Dr. Hawking. This guy is too smart to be tricked: surely he does not want to destroy jobs of other physicists.