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Photo: Alain Jocard/AFP/Getty Images

In a paper published Wednesday in the journal Nature, Google reportedly achieved a milestone by using quantum computers to solve a calculation in mere minutes that current machines could not complete in thousands of years.

Why it matters: "Quantum supremacy," the achievement Google is touting, would represent a big but early step toward reliable quantum computers that could solve some currently intractable problems.

Google scientists said their quantum machine completed in less than 3.5 minutes a calculation that would take the most powerful present-day computers 10,000 years to finish.

How it works: Quantum machines use atomic particles to represent "qubits" — short for "quantum bit." One qubit can convey twice as much information as a single traditional computer bit, thus beefing up a system’s computing power. A system's computing power increases exponentially with each additional qubit.

Yes, but: IBM scientists, who are also developing quantum machines, recently argued that Google's team underestimated the power of current computers.

  • IBM scientists claim that a modern computer system could perform the calculation in Google’s report in 2.5 days, and it would make fewer mistakes than Google's quantum machine.

Of note: There's debate over the utility of quantum random number generation — the task Google's machine completed. However, Google says it's important for next-generation cryptography.

Go deeper: Heading off the quantum encryption apocalypse

Go deeper

The rebellion against Silicon Valley (the place)

Photo illustration: Sarah Grillo/Axios. Smith Collection/Gado via Getty Images

Silicon Valley may be a "state of mind," but it's also very much a real enclave in Northern California. Now, a growing faction of the tech industry is boycotting it.

Why it matters: The Bay Area is facing for the first time the prospect of losing its crown as the top destination for tech workers and startups — which could have an economic impact on the region and force it to reckon with its local issues.

Erica Pandey, author of @Work
1 hour ago - Economy & Business

Telework's tax mess

Illustration: Annelise Capossela/Axios

As teleworkers flit from city to city, they're creating a huge tax mess.

Why it matters: Our tax laws aren't built for telecommuting, and this new way of working could have dire implications for city and state budgets.

Wanted: New media bosses, everywhere

Illustration: Sarah Grillo/Axios

The Washington Post, Los Angeles Times, Reuters, HuffPost and Wired are all looking for new editors. Soon, The New York Times will be too.

Why it matters: The new hires will reflect a new generation — one that's addicted to technology, demands accountability and expects diversity to be a priority.