Research NewsPhysics

A Dial-Up Quantum Reality

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Science  06 Mar 1998:
Vol. 279, Issue 5356, pp. 1457
DOI: 10.1126/science.279.5356.1457b

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Summary

Physicists have built a tabletop device that allows them to turn the quantum world on and off by pulling electrons through two adjacent corridors atop a tiny microchip. If it doesn't interact with the device, a single electron will go through both halls, but add something that can detect the route of the electron and it takes one corridor or the other.

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