Jun 23 2008, 9:16 pm
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Xooxer
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Uh huh. Which isn't really saying anything. Of course it has to interact. How else could you observe it? It's a question of quantum entanglement. The fact that you can "erase" the observation and restore the interference pattern shows it's more than mere interaction of physical particles colliding and bouncing into one hole or the other.
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Think about it like this: Light is bouncing around all the time. It hits these particles randomly. In order for us to see one, we have to trap and convert one of the light waves into information. Doing so causes the pattern to coalesce into a static state. Deleting the information restores the interference pattern. At no time was any direct action placed on the particles that wasn't already occurring randomly. All we did was turn something that hit it into information. Turning it back reverses the effect. It's more than just an observer getting in the way.
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