Talk:Observer effect

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Not sure about the parapsychology bit. The sentence was just clunky before, but now I'm not sure I matched the intent of the original poster. Does anyone have specifics on what the term really means in parapsychology? —The preceding unsigned comment was added by 69.108.101.72 (talk • contribs) .

[edit] physics? i think not

do not confuse the observer effect with the uncertainty principle. the uncertainty principle has nothing to do with "observing", it has to do with measuring. the observer effect is a supposed effect of observing an event and the influence of your presence on the event. no one would ever have to actually observe a particle's position to obfuscate its momentum, the mere act of using the photons to measure its position, even if nobody ever observed it, would suffice.

don't you have to observe in order to measure?

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