The dog that didnʼt bark in Arthur Conan Doyleʼs story Silver Blaze is infamous for giving Sherlock Holmes meaningful information about the dogʼs non-canine environment. In a new paper out titled "Quantum Non-Barking Dogs" we probe whether an atom that has not decayed or a particle that has not tunneled can provide measurable information about physical changes in its environment. You can read the full paper by Sara Walker, Paul Davies, Prasant Samantray and Yakir Aharonov here.
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