Answer by alanf for Why does quantum physics use "observation" rather than...
A measurement has to produce a record that can be copied indefinitely often. An interaction in general will not do that, e.g. - an interaction can produce a phase change which isn't a record. A...
View ArticleAnswer by Marco Ocram for Why does quantum physics use "observation" rather...
The only disadvantage of the the word interaction is that it is rather more general than measurement; its use does make the point that there is nothing spooky or special about the act of measuring or...
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Answer by anna v for Why does quantum physics use "observation" rather than...
A single,one, photon is a point particle , and does not exist as a wave. Here is an experiment of single photons at a time, little dots on the screen.Single-photon camera recording of photons from a...
View ArticleWhy does quantum physics use "observation" rather than "interaction" as the...
So I understand that when talking about quantum mechanics, quantum entities are assumed to exist as a probability wave, until they are "observed", which collapses the wave function into an observable...
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