Alphabet Inc.’s Google said it’s built a computer that’s reached “quantum supremacy,” performing a computation in 200 seconds that would take the fastest supercomputers about 10,000 years.
https://www.bloomberg.com/news/articles/2019-10-23/google-says-quantum-computer-beat-10-000-year-task-in-minutes
https://www.bloomberg.com/news/articles/2019-10-23/google-says-quantum-computer-beat-10-000-year-task-in-minutes