Google, in a new research paper, claims to have built a quantum computer that can handle a calculation in under four minutes that the world’s fastest supercomputer would need 10,000 years to perform. This could accelerate the pace of AI development, Google CEO Sundar Pichai told MIT Technology Review. He compared the finding to the Wright brothers’ first flight, which didn’t last long but...
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The Push to Keep Digital Vaccine Passports From Becoming a Mess

For the past several weeks, New Yorkers have been able to download a QR code onto their phones—or print out an analog copy of it—that vouches for the fact that they’ve received the Covid-19 vaccine or a negative test result for the virus. Yankee Stadium, Madison Square Garden and other local venues are already testing the Excelsior Pass, as the code is known, to screen people...
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