Technology
Deter quantum hackers by hiding the photon keys
Spotting a lone messenger in a crowd of decoys is tricky – a concept that might make it possible to improve the security of quantum cryptography
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Spotting a lone messenger in a crowd of decoys is tricky – a concept that might make it possible to improve the security of quantum cryptography
The building blocks of life all twist the same way. Is that a quirk of Earthly biology, or have cosmic forces been at work?