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Scientists Link Quantum Particles That Don't Exist At The Same Time

23/05/2013 15:28 BST | Updated 23/07/2013 10:12 BST
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Vacuum fluctuation. Computer artwork showing a particle and an antiparticle being created in a vacuum. A quantum vacuum is not empty, in it particle pairs are spontaneously created and lead a brief existence before annihilating one another. This process is known as vacuum, or quantum, fluctuation.

Scientists Link Quantum Particles That Don't Exist At The Same Time