PBS

It can bend, move, wrap and stretch – but it can’t move forward.

In the four-part PBS series “The Fabric of the Cosmos,” Brian Greene breaks down the universe into bite sized chunks (kind of like what Newton did with the apple). In tonight’s episode, “What is Space?”, Greene uses commonplace objects to demonstrate that time as we know it is an illusion. Using a cue ball, Greene brings the abstract down to earth.

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