This means that my above quoted argument still holds true because it doesn't matter if we are observing the object or not, there's still calculations which need to be done behind the scenes. At this point I'm still not convinced it's feasible or viable for any intelligent species to create a computer powerful enough to generate the universe we find ourselves in. I can still admit to the suspicious nature of quantum mechanics, but I think there may be other ways to explain why quantum mechanics is the way it is. But once again, I'm trying to remain on the fence here.
What does the nature of time tell us about reality?
The most important thing you need to know about time, is that it changes depending on several factors, one of which is speed. The faster you go, the slower time flows, relative to external observers with an inertial frame of reference. This is called time dilation, and is a result of Einstein's theory of Special Relativity. One of the very weird consequences of this is called the Twin Paradox, which states that if two twins are born and one leaves Earth close to the speed of light and then turns around and flies back to Earth and returns 5 years later, his twin will be an old man and he will only be 5 years older.
Experiments with atomic clocks have shown this is true and would happen. If you travel around the world in a jet at several times the speed of sound, time on that jet will slow down very slightly. Thus when you land back on Earth you have essentially time travelled into the future. This directly opens up the door for time travelling into the future, however there would be no way to return back to the past. At speeds close enough to the speed of light, it wouldn't take much time before hundreds and even thousands of years passed on Earth. Imagine returning to Earth after 10,000 years and you're only 10 years older.
If you watch that video about the Twin Paradox, one of the most amazing aspects of this phenomena, as Neil deGrasse Tyson explains, is that all the matter and particles which are travelling along with the twin who's moving close to the speed of light, actually slow down. Not only that but your entire physiology slows down, which is why the twin doesn't notice time slow down inside his ship. His mind is actually processing information slower, since every single particle in his body is slowed down. Thus time appears to flow normally for the twin, his perception of the speed of time never changes.
So if the twin had a watch on the ship it would always appear to tick along at a normal speed, despite his moving velocity. Now if an external observer with an inertial frame of reference could actually keep observing the twin as he moved along close to the speed of light, and they took a peak at his clock, they would actually see it ticking slower than expected. In fact, if the first twin continued to observe his space fairing brother for those 5 years, he could watch the clock tick through 5 years of time, whilst the Earth clock next to him would tick through 50 or so years.
Thus, when his twin arrives back on Earth, he will be an old man and his brother will be a young child still. But perhaps now the old man wont be so amazed when he sees the time on the clock which was on his younger brothers ship, because he observed it tick slowly from Earth. In reality he would probably have trouble observing the clock in motion, not just because the clock would be moving at a ridiculous speed, but because the ship would also appear to shrink in length, which is another weird phenomena called length contraction.
edit on 10/2/2013 by ChaoticOrder because: (no reason given)