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Science and Nature

How the Quantum Eraser Rewrites the Past

PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down both the basic and incredibly complex sides of space and time.

How the Quantum Eraser Rewrites the Past

Season 2 Episode 39 | 10m 6s | CC

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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PBS Space Time

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