SMRTR Science & EngineeringMar 31, 2026Scientific American

How physicists proved that quantum weirdness is a feature, not a bug

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Physicists Charles Bennett and Gilles Brassard, recipients of the Turing Award, transformed quantum mechanics from a computing obstacle into a powerful tool by embracing quantum phenomena like superposition and entanglement. They developed BB84 quantum encryption in 1984, which creates unbreakable codes using photon polarizations that become corrupted when intercepted, and demonstrated quantum teleportation of information states. Their work warns that quantum computers will eventually break current internet encryption, potentially destroying financial security unless we adopt quantum-resistant cryptographic methods.

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