Sherlock Holmes the famous deductive detective was asked to take on the curious case of who, or what, killed Schroedinger’s Cat.
He arrived at the scene with his faithful companion John Watson at his side, scanned the area for several seconds then announced he had solved the case.
“This cat was killed by a mere particle!”
“Why, that’s amazing.” said Watson. “But tell me Holmes, exactly what sort of particle was it?”
Holmes replied: ” Elementary, My Dear Watson!”