‘Exceptionally precise’ set-up mimics thought experiment devised by sceptical genius to disprove the then emerging field.

For the first time, scientists in China have faithfully recreated a thought experiment proposed by Albert Einstein nearly a century ago, showing that the quantum world behaves in ways the iconic physicist never fully accepted. Pan Jianwei – known as the country’s “father of quantum” – and his team at the University of Science and Technology of China built a device sensitive enough to register the tiny push of a single photon. Einstein laid out a modified version of the famous double-slit…

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