How the Quantum Eraser Rewrites the Past | Space Time | PBS Digital Studios
PBS Space Time · 4 HN recommendations
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PBS Space Time explains the quantum eraser experiment, in which erasing which-path information appears to reverse causality in a double-slit setup. It discusses what this means for quantum mechanics.
Why HN recommends it: HN recommends it as a quick introduction to the quantum eraser and delayed choice weirdness, though one commenter notes later corrections to its framing.
“a quick video from space time for those being first introduced” Read on HN ↗