# Cause and Effect May Not Survive Quantum Mechanics. Physicists Now Have a Plan.

- slug: cause-and-effect-may-not-survive-quantum-mechanics-physicists-now-have-a-plan
- date: 2026-04-20
- category: Quantum Computing

Can a quantum object experience time without a single past and future? EPFL built a clock that reads quantum events without disturbing them; Stevens, Sanner and Hume say existing ion clocks can test whether cause and effect survive. The tools are finally in place.

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