Science
Physicists in China challenge Google’s ‘quantum advantage’ – Nature.com
Photon-based quantum computer does a calculation that ordinary computers might never be able to do.
This photonic computer performed in 200 seconds a calculation that on an ordinary supercomputer would take 2.5 billion years to complete.Credit: Hansen Zhong
A team in China claims to have made the first definitive demonstration of quantum advantage exploiting the counter-intuitive workings of quantum mechanics to perform computations that would be prohibitively slow on classical computers.
They have used beams of laser light to perform a computation which had been mathematically proven to be practically…
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