Are Space and Time An Illusion?

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Space, time and the nature of reality.

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Are Space and Time An Illusion?

Space, time and the nature of reality.

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Time travel is not forbidden by the laws of nature, but to build a time machine, we would need to understand more about those laws and how to subvert them than we do now. And every day, science does learn more. In this film Horizon meets the scientists working on the cutting edge of discovery - men and women who may discover how to build wormholes, manipulate entangled photons or build fully functioning time crystals. In short, these scientists may enable an engineer of the future to do what we have so far been only able to imagine - to build a machine that allows us travel back and forward in time at the touch of a button. It could be you! Science fiction?

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How do we measure distance in space?

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How did the Universe Begin?

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What is Something?

What is something? On the most fundamental level thinkable, what are things? Why are things? And why do things behave the way they do?

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