Time Travel- Morgan Freeman 2012 part 2

[granddad2002]

Sometimes I try to imagine... if you don't get bogged sown by the convention of causality violations, what do these type of physical movements represent in Nature? If a graviton is actually a 'real' particle; how does it moves in the curve space/time in an object like a 'black hole'?

[britney5996]

omg morgan freeman has done such a good job with this doco, he makes it so much more complex yet understandable.