Local realism is just the union of locality and realism. — Michael
Local realism is just the union of locality and realism. Dr Hanson's experiment appears to demonstrate non-locality, which he himself describes as spooky action at distance. — Michael
Hanson's experiment rules out local hidden variable theories but not local realism. — Andrew M
In particular, it doesn't rule out Many-Worlds since Many-Worlds doesn't involve any action or communication between entangled particles. — Andrew M
...no experiment ever performed closes the "freedom loophole"... — tom
There are three main loopholes. The first is the "locality loophole", whereby information about the measurements can somehow be exchanged between Alice and Bob's detectors. The second is the "freedom-of-choice" loophole, whereby the source of the entangled particles can somehow communicate classically with the detectors and affect how the measurements are made.
Both loopholes were closed simultaneously for photons in an experiment done in 2010 by a team led by Zeilinger after the researchers transmitted the photons distances of up to 144 km between two of the Canary Islands.
He's right that MW is local, but he's wrong about the rest, so I think my point stands. — Michael
What about Anton Zeilinger's 2010 experiment? — Michael
And I refer you again to Hanson's experiments from last year which demonstrate, according to his testimony, non-locality.
Also, there's this: Non-locality in Quantum Field Theory due to General Relativity
The simple fact is that, contrary to your claim, experiments have supported nonlocality and sane physicists do reject locality. — Michael
Most working scientists hold fast to the concept of ‘realism’—a viewpoint according to which an external reality exists independent of observation. — An experimental test of non-local realism
He's right that MW is local, but he's wrong about the rest, so I think my point stands. — Michael
... so single-world realist theories that are absolutely deterministic are not ruled out by this or any other Bell-type experiment. — tom
I think you are missing the point. Given the conditions now, the past can be calculated by physical laws. This is how we know the big bang happened. Both General Relativity and the Standard Model have time reversal operators. — tom
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