Scientists demonstrate quantum superposition of sound, opening path to mechanical quantum computers

At the University of Chicago, researchers have demonstrated that sound, like light, obeys the deepest laws of quantum mechanics — that even the smallest packet of vibration can exist in two places at once, and that two such particles can become so entangled that the fate of one instantly determines the fate of the other. This is not merely a curiosity of physics but a quiet announcement that the building blocks of a new kind of computing may be found not in light or electricity alone, but in the collective hum of matter itself. Humanity has long listened to sound; it is only now beginning to t