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News Feature
Nature 447, 372-373 (24 May 2007) | doi:10.1038/447372a; Published online 23 May 2007
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Quantum cryptography: Seeking absolute security
Geoff Brumfiel1
- Geoff Brumfiel is Nature's physical sciences reporter in Washington DC.
Abstract
Quantum cryptography is theoretically unbreakable, yet a handful of physicists are finding ways to hack into its secrets. Geoff Brumfiel finds out how.
On an otherwise quiet Saturday evening in 1946, Frederic de Hoffman briefly thought he had lost the secrets of the atomic bomb. De Hoffman was a physicist at Los Alamos National Laboratory in New Mexico.
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