Google may have just ushered in an era of ‘quantum supremacy’

Google’s qubit circuits are built out of superconducting materials, which are then kept at very low temperatures. | Image: Google

Google says that it has achieved quantum supremacy, a major milestone towards the development of quantum computers. At least, it seems to have. The announcement came in a paper that was reportedly published on the NASA website before being pulled, according to the The Financial Times which retrieved a copy before it disappeared. “To our knowledge,” Google’s paper read, “this experiment marks the first computation that can only be performed on a quantum processor.”

Google’s quantum computer was reportedly able to solve a calculation — proving the randomness of numbers produced by a random number generator — in 3 minutes and 20 seconds that would take the world’s fastest traditional supercomputer, Summit, around 10,000 years. This...

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