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С 1967 года международная система единиц СИ определяет одну секунду как 9 192 631 770 периодов электромагнитного излучения, возникающего при переходе между двумя уровнями основного состояния атома изотопа Цезий-1331955 год
Hunt for Ex-Wirecard Executive Goes Public in Germany
Investigators are asking the public to help them find Jan Marsalek, the elusive former Wirecard executive who prosecutors suspect played a central role in inflating the fintech company’s results by booking fake income for years.13-08-2020
The Next Time You Fly, AI Could Help Ease the Journey
Pack a self-driving suitcase, clear security through an archway and board a pilotless plane: It’s a far-out vision of the future, but tech companies are working on making it a reality.13-08-2020
Corporate America Worries WeChat Ban Could Hit Business
More than a dozen major U.S. multinational companies raised concerns in a call with White House officials Tuesday about the potentially broad scope and impact of Mr. Trump’s executive order targeting WeChat.13-08-2020
Amazon Cleared for Space Launch, but Broadband Questions Remain
Its plan to spend more than $10 billion on internet-beaming satellites has industry insiders guessing about which markets the company plans to serve.13-08-2020
Marketers Extend Their Social-Media Scrutiny Beyond Facebook
IPG Mediabrands, a media planning-and-buying group within ad-agency giant Interpublic Group of Cos., has begun what it says will be a quarterly report comparing top social media platforms’ content policies and practices.13-08-2020
Cisco CFO Plans to Step Down
Cisco Systems Inc. on Wednesday said finance chief Kelly Kramer plans to leave the network-equipment company after more than five years in the role.13-08-2020
Face-selective tungstate ions drive zinc oxide nanowire growth direction and dopant incorporation
Highly accurate determination of heterogeneously stacked Van-der-Waals materials by optical microspectroscopy
Lyft Ridership, Revenue Drop Amid Rising Coronavirus Infections
Lyft reported a dramatic drop in riders and revenue in the second quarter, as rising coronavirus infections in the U.S. and prolonged shutdowns weighed in on its results.13-08-2020
Facebook and Other Tech Giants Gird for Chaotic Election
Social-media platforms are talking with federal officials as President Trump questions the legitimacy of voting by mail.13-08-2020
Netflix to Stream 'Diana' Musical While Broadway Is Closed
The production based on the life of Princess Diana will be streamed on Netflix next year ahead of its rescheduled Broadway debut on May 25, 2021, the show’s producers said.13-08-2020
Cisco to Pursue Deep Cost Cuts in Corporate Tech-Spending Slowdown
Networking-equipment giant Cisco Systems posted its first annual revenue decline in three years and said it would pursue deep cost cuts as customer priorities have shifted during the coronavirus pandemic.13-08-2020
Silicon Valley Sees Kamala Harris as One of Its Own
Silicon Valley has a potential ally in its future with Kamala Harris, a California senator who has strong ties to executives behind the nation’s technology giants and has been largely silent about the antitrust issues currently plaguing them.13-08-2020
Waystar Agrees to Buy eSolutions at $1.3 Billion Valuation
Health-care payments business Waystar has agreed to acquire eSolutions in a deal that values the revenue cycle management provider at around $1.3 billion, according to people familiar with the matter.13-08-2020
JFK Airport Tests Thermal Imaging to Screen for Signs of Covid-19
John F. Kennedy International Airport’s busiest terminal is screening passengers departing from New York City on a voluntary basis for signs of Covid-19.12-08-2020
AI Helps Forecast Volcanic Eruptions
Sensors on the ground, in the sky and in space yield data that could more accurately forecast volcanic activity around the world.12-08-2020