3 thoughts on “Ask Nick – The Observer Effect

  1. That second experiment is not a macro-scale experiment though – again it is micro/nano-scale as they are dealing with individual photons of light.

  2. @David I understand what you’re saying, but it seems to me that, while the photons are certainly tiny, the rest of the experimental apparatus is definitely on the macro scale. The interference pattern (or absence thereof) is most definitely viewable with the naked eye and therefore counts, as far as I’m concerned.

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