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Quantum Entanglement Demonstrated on Tiny CubeSat in Orbit

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The SpooQy-1 CubeSat can release pairs of entantled photons.

Researchers have demonstrates quantum entanglement on a small satellite orbiting Earth.

Credit: Center for Quantum Technologies/National University of Singapore.

Researchers at the National University of Singapore (NUS) have demonstrated quantum entanglement on a new mini-satellite orbiting earth.

The SpooQy-1 mini-satellite carries a device that can produce pairs of quantum-entangled photons by shining a blue laser diode onto non-linear crystals.

SpooQy-1 is the smallest quantum satellite so far, weighing less than 5.7 pounds.

The development could help roll out a fast, secure quantum Internet, which would require a network of quantum satellites.

Said NUS's Aitor Villar, "In the future, our system could be part of a global quantum network transmitting quantum signals to receivers on Earth or on other spacecraft."

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