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3 minutes and 20 seconds

Comparing the time it took to achieve a breakthrough in quantum computing to the length of the inaugural Wright Brothers flight, Google, in the scientific journal Nature, claims its experimental quantum processor has completed a calculation in just a few minutes that would take a traditional supercomputer 10,000 years. IBM researchers quibbled with Google’s claim, however, saying that Google underestimated IBM’s supercomputer and said it could actually do the calculation in 2.5 days.

Comparing the time it took to achieve a breakthrough in quantum computing to the length of the inaugural Wright Brothers flight, Google, in the scientific journal Nature, claims its experimental quantum processor has completed a calculation in just a few minutes that would take a traditional supercomputer 10,000 years. IBM researchers quibbled with Google’s claim, however, saying that Google underestimated IBM’s supercomputer and said it could actually do the calculation in 2.5 days. (Seattle Times/AP — October 23, 2019)