Entanglement lets sensors maintain high sensitivity to targeted physical signals while canceling out environmental decoherence/ noise

https://phys.org/news/2026-06-kind-entanglement-quantum-sensors-tune.html

"adaptive, multi-particle entangled state utilizing decoherence-free subspace within trapped ion array... continuously filters out stray magnetic fields/ thermal noise without requiring massive external shielding... maintains pristine quantum coherence in messy, real-world conditions, providing highly scalable blueprint to deploy advanced quantum diagnostics in clinical medical imaging and subterranean navigation systems"