On 12/12/2017 6:21 PM, John Clark wrote:
>
I've been saying all along that a conscious observer is not needed
to create or destroy the interference
I know you have. And I've been asking all along exactly what is it
that collapses the wave function. If its not an observer and its not a
measurement and its not consciousness then what is it?
It is interaction with something with lots degrees of freedom (like an
instrument or the environment) so that there are many instances of the
result recorded. A measurement is one such event, but it doesn't have
to be a measurement; compare the Bucky Ball Young's slits experiment.
The interference is washed out when the interaction makes the welcher
weg available even if it is inaccessible FAPP.
Brent
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