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Physicists Put the Quantum Into Mechanics

From Science NOW:

Quantum mechanics and its bizarre rules explain the structure of atoms, the formation of chemical bonds, and the switching of transistors in microchips. Oddly, though, in spite of the theory's name, physicists have never made an actual machine whose motion captures the quirkiness of quantum mechanics. Now a group from the National Institute of Standards and Technology (NIST) in Boulder, Colorado, has taken a step in that direction by forging a mind-bending quantum connection between two mechanical widgets. Their devices don't look like electric drills or other familiar machines, however: Each is a pair of ions oscillating in an electric field, like two marbles joined by a spring.
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