Light mimics the quantum Hall effect for the first time. This could revolutionize quantum computing and more

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Back in the 1980s, a cryptographer named David Chaum caught a glimpse of our soon-to-be future, and he didn’t much like it. Long before the web or smartphones existed, Chaum recognized that users would need to routinely present (electronic) credentials to live their daily lives. He also saw that this would have enormous negative privacy implications. To address life in that world, he proposed a new idea: the anonymous credential.

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По словам актрисы, ее рейс 28 февраля отменили за час до посадки из-за взрывов и закрытия воздушного пространства. В итоге ей пришлось задержаться в стране — питание и проживание в отеле, по ее словам, оплатила авиакомпания.

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