Macro-Weirdness: "Quantum Microphone" Puts Naked-Eye Object in 2 Places at Once

PORTLAND, Ore.--What's the sound of one molecule clapping? Researchers have demonstrated a device that can pick up single quanta of mechanical vibration similar to those that shake molecules during chemical reactions, and have shown that the device itself, which is the width of a hair, acts as if it exists in two places at once--a "quantum weirdness" feat that so far had only been observed at the scale of molecules. [More]

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