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Suzy;
Thanks for those links. I downloaded them last night and watched 'The Illusion of Time' .. I highly recommend it. It skims some of the details in Greene's book, but it is a pretty reasonable attempt at getting to the heart of the essence of relativity and spacetime, in a doco. (The best I've seen so far). If you can absorb some of the concepts he presents, you'll be well over several 'humps' in the learning curve ! Good material for discussion here, as well.
It also provides some answers to your questions about how time can be perceived as an illusion and it addresses the concepts behind 'Time's Arrow', Entropy, the Big Bang and how each is connected into a logical cohesive theory. An incredible achievement based on real physics (for a TV documentary)!
Feel free to query anything in it .. there's good hard science behind what he's presenting .. (not just whimsical sci-fi dressed up to gain ratings).
Cheers
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