non-locality

Non-locality

Submitted by JH Wierenga on Sat, 01/05/2019 - 23:56

Experiments in which entangled particles are measured whilst they are separated by considerable distance have demonstrated beyond all reasonable doubt that quantum behaviour is not limited by the speed of light. The effect of measuring one particle is exhibited by the particle with which it is entangled long before light has had time to travel between them. Experiments have demonstrated that the communication is as good as instantaneous, even when the particles are 400 kilometres apart.

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The universe as a quantum computer

Submitted by JH Wierenga on Sat, 09/08/2018 - 13:45
computer with image of dead and alive cat
The universe is a quantum computer, in which each degree of freedom of a quantum contained in the universe corresponds to a unique register containing a single qbit. All change in the universe is the result of computations in this computer. The universe we observe is the user display of this computer, in much the same way as the screen of an ordinary computer displays information contained in it.

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