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Quantum mechanics

Quantum mechanics

Particle-free quantum communication is achieved in the lab

18 May 2017
Artistic impression of a counterfactual communication experiment
Photon free: counterfactual communication achieved in the lab. (Courtesy: Shutterstock / Serg-DAV)
Four years ago, theoretical physicists proposed a new quantum-communication scheme with a striking f

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Edwin Cartlidge is a science writer based in Rome
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