Thought for the month

“You know," said Arthur, "it's at times like this, when I'm trapped in a Vogon airlock with a man from Betelgeuse, and about to die of asphyxiation in deep space that I really wish I'd listened to what my mother told me when I was young." "Why, what did she tell you?" "I don't know, I didn't listen.” From The Hitchhiker's Guide to the Galaxy, Douglas Adams, Author (1952-2001)

Monday, 7 October 2019

Quantum supremacy?

Last month the Financial Times reported on a scientific paper, briefly published on a NASA website before being deleted, claiming that Google has built a quantum computer that achieved quantum supremacy. A plain text version has been anonymously posted on-line. It says that Google created a quantum computer with 54 quantum bits and used it to perform a very specific set of operations in 200 seconds that would take a supercomputer about 10,000 years to complete. One summary is: rudimentary quantum computer is better being at being a rudimentary quantum computer than a supercomputer

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