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Quantum optics

Quantum optics

Surreal behaviour spotted in photon experiment

26 Feb 2016 Hamish Johnston
Illustration of light passing through a double slit
Strength in weakness: physicists in 2011 gained information about the paths of photons in a double-slit experiment without destorying interference. (CC BY Timm Weitkampf)
By studying how photons travel through a double slit, physicists in Canada have now shown that some

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Hamish Johnston is an online editor of Physics World
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