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Science

Submission + - Caught on camera: quantum mechanics in action (gla.ac.uk)

hawkinspeter writes: Scientists at the University of Glasgow have captured images of ‘quantum entanglement’ on camera for the first time.

In quantum mechanics, entanglement is one of the bizarre behaviours exhibited by particles where the rules of classical physics are broken and seemingly impossible events are a reality.

Described by Einstein as ‘spooky action at a distance’, entanglement is the phenomenon whereby two particles act as one system even when separated by immense distances.

The entangled particles are in a superposition where their individual state isn’t known. However, as soon as one of them is measured or observed the other will take on a correlated state instantaneously, seemingly violating the speed of light.

Being able to exploit such behaviour would have major applications in communications encryption and could underpin the next generation of computer technology, known as quantum computation.

Their paper is available from Nature

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