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Ultrafast science

Ultrafast science

Physicists create ‘molecules’ of light

26 Sep 2013 Hamish Johnston
Photograph of a flash of light
Physicists make photons interact. (Courtesy: iStockphoto/7io)
The first “molecules” made from two photons have been created by physicists in the US. T

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Hamish Johnston is an online editor of Physics World
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