Quantum computer draws closer

Scientists have "entangled" two sub-atomic particles separated by about a millimetre, a feat that might pave the way for powerful quantum computers in the future.

Quantum entanglement on a chip: Significant scaling up
When two particles are entangled they are somehow connected because the fate of one depends upon the other, no matter how far apart they are.

Sounds weird - even Einstein never quite came to terms with it.

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