I'm not sure the exact experiment performed in the article (which sounded similar), but I've always thought the delayed choice quantum eraser was about the best

I'm not sure the exact experiment performed in the article (which sounded similar), but I've always thought the delayed choice quantum eraser was about the best example of this, once you spend some time understanding the experiment and results: https://en.wikipedia.org/wiki/Delayed_choice_quantum_eraser https://en.wikipedia.org/wiki/Delayed_choice_quantum_eraser