light traps
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Quantum cryptography, light traps, and counterfeit-proof dollar bills
My expertise is in computer and network security. I'm not a physicist. I was hoping someone could help explain something to me. I have read "The Code Book: The Science of Secrecy from Ancient Egypt to Quantum Cryptography", but Simon Singh. In the section on quantum cryptography, he talks...- Freakshow
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- counterfeit dollar bill light traps quantum cryptography
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