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Quantum mechanics

Quantum mechanics

‘Strange history’ of photons challenges our understanding of quantum interactions

19 Jan 2022
Light in a medium
Straight on through: atoms can be excited by photons that do not appear to interact with the medium (Courtesy: iStock/MickeyCZ)
A surprising property of how resonant photons interact with an absorbing medium has been uncovered b

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Edwin Cartlidge is a science writer based in Rome
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