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22 Corgis Who Will Patiently Explain Quantum Entanglement To You

Scientists just separated two entangled particles by a record 1,200 kilometres. Here's what that actually means.

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Scientists have managed to separate a pair of entangled particles by a distance of 1,200km, more than 10 times longer than the previous record.

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Chinese scientists used a satellite nicknamed Micius, which was launched to test out quantum physics like this, to create a pair of entangled photons – essentially, particles of light that are linked together – in space, and send them back down to different points on Earth. They’ve published their results in the journal Science today.

“It’s a remarkable and beautiful experiment,” Jacob Dunningham, a professor of physics at the University of Sussex, told BuzzFeed News, adding that it was a “huge leap” towards extending entanglement to global scales.

"It represents a major step forward in quantum technology,” he said.

But we don’t blame you if you don’t quite know what quantum entanglement is...so we’ve brought in reinforcements to explain it.

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Kelly Oakes is science editor for BuzzFeed and is based in London.

Contact Kelly Oakes at kelly.oakes@buzzfeed.com.

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