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A.I. Took a Test to Detect Lung Cancer. It Got an A.

Asked if artificial intelligence would put radiologists out of business, Dr. Topol said, “Gosh, no!” The idea is to help doctors, not replace them. “It will make their lives easier,” he said. “ Across the board, there’s a 30 percent rate of false negatives, things missed. It shouldn’t be hard …

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The Week in Tech: Putting an A.I. Genie Back in Its Bottle

It’s interesting that the decision went against Apple at all. Liberal jurists often favor antitrust action, and conservatives avoid it. So you’d have expected the verdict to be 5-to-4 in the other direction, along the conservative-liberal line of the Supreme Court. But the new justice, Brett M. Kavanaugh, tipped the …

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Hewlett Packard Enterprise to Acquire Supercomputer Pioneer Cray

SAN FRANCISCO — Hewlett Packard Enterprise said Friday that it would buy the supercomputer pioneer Cray, a relatively tiny financial transaction that could loom large in a quickening race between the United States and China at the highest reaches of computing. The big Silicon Valley company will pay about $1.4 …

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Google Restricts Huawei’s Access to Android After Trump Order

LONDON — The Chinese technology giant Huawei on Monday began feeling painful ripple effects of a Trump administration order that effectively bars American firms from selling components and software to the company. Huawei said that Google was cutting off its access to support for many Android hardware and software services. …

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Amazon Faces Investor Pressure Over Facial Recognition

Facial recognition software is coming under increasing scrutiny from civil liberties groups and lawmakers. Now Amazon, one of the most visible purveyors of the technology, is facing pressure from another corner as well: its own shareholders. As part of Amazon’s annual meeting in Seattle on Wednesday, investors are voting on …

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Tech Jobs Lead to the Middle Class. Just Not for the Masses.

Year Up “embodies strong forms of what we know makes sense and seems to work,” said David Fein, principal investigator for Pathways for Advancing Careers and Education, a multiyear evaluation of training and education programs. “The impact is real for those who are chosen.” When Will L. Davis of Snellville, …

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How the Promise of a $120 Billion Uber I.P.O. Evaporated

The company soon hit other obstacles. President Trump tweeted this month that he wanted to raise tariffs on $200 billion of Chinese goods, unsettling global stock markets. The day before Uber priced its I.P.O., Lyft reported a $1.14 billion loss for its first quarter, renewing questions about the health of …

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