Haven't read the article, but I will say this:

Time does not exist in and of itself, it is a human construct.

If there is fate, then Quantum Theory can be solved, since it would then not be truly random.

Time is an artificial invention of the human mind, physically speaking, this entity is called "change". Change defines the progression of things in the physical universe, we use time as footsteps. The idea of free will to me, appears to be an illusion, numerous factors come into play when different paths are presented. Statistical probabilities rise and fall dramatically with pre-determined factors already in play and the cycle continues (the chaos effect for ex.), I don't understand how a person within his own healthy consciousness can choose something completely against most of such bewildering factors, and go against the current. Aren't we also considered a collective mass of such things set in motion on a playing field? The idea of a set time-line doesn't sound so bad, but not everything can be considered pre-determined. Chaos is the one thing that perhaps disrupts order and starts things radically anew. If we all turned immortal and lived for 2 million years into the future then in retrospect we can claim the answer to this eternal question, otherwise it'll always remain an eternal conundrum to the human mind, much like religion...

I think that if we were ever able to travel through time, we would lose contact with the travler thinking that he is on the same planet with the same people. But really he is in a parallel universe, because if he did travel back in time, he would be able to see himself, and his family. Thus killing his grandfather would have no effect on his original reality. It would only alter the state of existance in that reality. So if someone went back in time, they would never be able to return to thier original universe. Just a thought to add to the pool.

I love all the comments so far. I guess I had to come in and ruin things.

Shouted.