On 10/29/2019 9:38 AM, Alan Grayson wrote:


On Monday, October 28, 2019 at 12:14:57 PM UTC-6, Brent wrote:



    On 10/28/2019 3:27 AM, Alan Grayson wrote:

        But nobody looks at the C60s.  The interference pattern
        disappears anyway.  The trouble with the interpretation you
        cite is that it depends on an ill defined process called
        "looking at it".

        Brent


    Let me introduce you to a familiar concept in QM; observation! It
    can be an instrument as Feynman states. If you OBSERVE a C60,
    won't the interference disappear?

    But also if you don't observe them, which is not "like any other
    particle".

    Brent


That's not exactly true. You observe their IR emissions, so you're observing them indirectly.

What does that mean?  No one even detects them.  They need not even be absorbed, but could simply fly off to infinity.

Brent

It's as if they're telling the observer which slit they go through, and viola, the interference disappears. AG

    I assume it would if it behaves like any other particle in a slit
    experiment. Isn't the notable thing about a C60, is the
    manifestation of interference? AG

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