Getting formal about quantum mechanics' lack of causality

A quantum experiment shows that we can formally test if the order of events matters.

Early report Major update Updated Mar 28, 2026, 12:00 PM UTC

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Ars Technica: Getting formal about quantum mechanics' lack of causality.

First seen Mar 28, 2026, 12:00 PM UTC Latest source Mar 28, 2026, 12:00 PM UTC

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Ars Technica •published Mar 28, 2026, 12:00 PM UTC •fetched Mar 28, 2026, 12:10 PM UTC