Astronomy

How the Quantum Eraser Rewrites the Past | Space Time | PBS Digital Studios

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Causality is meant to move in one direction: forward. But the Quantum Eraser experiment seems to reverse causality. How and why can this happen and what are the implications of this experiment on how we understand Quantum Mechanics and our greater universe?

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A Delayed Choice Quantum Eraser
Kim, Yu, Kulik, Shih & Scully, 2000, Physical Review Letters v.84 p.1
http://arxiv.org/abs/quant-ph/9903047v1

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Episode written and hosted by Matt O’Dowd

Made by Kornhaber Brown (www.kornhaberbrown.com)

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