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Well yeah, as you get realy fanging (>0.1c) time dilation occurs. The faster you go the slower things will go for you from someone viewpoint in a different reference frame. So if you travel in an orbit realy fast for say a week or something then come back to earth a year may have passed. I think, because there is also the law that says no reference frames are prefferential.wtr said:The idea of time travel is pretty abstract in my opinion. Because, think about it, if material/energy can't be created nor destroyed, how will "you", a foreign mass/matter, be plugged into another time zone which is already in equilibrium??? Would it tip the balance of existing matters? And lead to the collapse of time???
Remember what Einstein said? Everything has two components, time and matter/mass. Then I read in an article a while back that scientists in US prompted the possibility of time travelling via a form of transport that will spin/travel fast enough to escape the hold of time. They've concluded that power needed to drive the "time vehicle" will be equivalent to the sum of the all the electric energy the world generates in a year.
What's your say on time travel??
Gettting to the speed of light is considered imposible. As you approach the huge speed, more and more energy is needed to push the object any faster because energy is converted to mass at relativistic speeds. (E=mc-sqaured). Therefor you would realy need a hellavu lot of energy to push anything to the speed of light.
Also with the paradox's there is the one of the twins. One twin hops in a spaceship flies realy fast away from earth (relativistic speeds), the other twin stays on earth. Then the twin returns from spaceflight to be years older that the other twin (or the other twin is dead). There is a solution to it though. Im sure many people will know, its a pretty common gedunkan (sp?) used in the sylabus. Everyone else can get sore heads.