← PBS Space Time · Season 2025

We Were WRONG About the Quantum Eraser!

S2025 · E21 · 16 Oct 2025 · 25 min

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Does quantum mechanics allow the future to retroactively influence the past, as in the infamous delayed choice quantum eraser experiment? How about we get an actual quantum physicist--who many of you already know--to show us how to do this experiment at home, and hopefully set this matter to rest.