Willow is so efficient that, according to its creators, it is also capable of ‘self-correcting’, and is also a scalable system, which is why it will lay the foundation for future quantum computers.
In 2019, Google announced with great fanfare that its Sycamore quantum chip was capable of solving in 200 seconds a task that the best supercomputer of the moment would have spent 10,000 years on. It was a practical demonstration – although controversial and
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