AWhat changed
Giustina and colleagues reported a violation of a Bell inequality using entangled photons, rapid setting choices and high-efficiency transition-edge detectors in a Vienna experiment. The analysis reported a local-realism p-value no greater than 3.74 × 10⁻³¹ under its stated statistical and predictability assumptions.
Scientific scope
Giustina and colleagues reported a violation of a Bell inequality using entangled photons, rapid setting choices and high-efficiency transition-edge detectors in a Vienna experiment. The analysis reported a local-realism p-value no greater than 3.74 × 10⁻³¹ under its stated statistical and predictability assumptions. The source measures photons at stations about 58 m apart and uses locally defined trials and detection windows; its spacelike separation depends on calibrated timing and the assumption that the measurement outcome is fixed at photon absorption. Random-setting independence is an assumption, not an experimentally complete exclusion of every hidden-variable explanation. The small p-value concerns the specified local-realism hypothesis and does not eliminate systematic or human errors. Supplementary timing and statistical derivations and raw data have not been replayed.
Evidence
The linked original works support the scoped statement and contribution attribution. WRS has not independently replayed experiments or reconstructed a full mathematical proof. The source measures photons at stations about 58 m apart and uses locally defined trials and detection windows; its spacelike separation depends on calibrated timing and the assumption that the measurement outcome is fixed at photon absorption. Random-setting independence is an assumption, not an experimentally complete exclusion of every hidden-variable explanation. The small p-value concerns the specified local-realism hypothesis and does not eliminate systematic or human errors. Supplementary timing and statistical derivations and raw data have not been replayed.
Contributors
- The named authors in the research record · SCIENCE: These are the listed authors of the cited contribution sources. Paper authorship does not quantify individual effort. An incomplete list is explicitly marked; same names are not automatically merged.
Provisional WRS assessment, edition 2026-10-28.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.
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