this post was submitted on 08 May 2026
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Science Memes

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[–] Iunnrais@piefed.social 18 points 4 hours ago (2 children)

It only kinda works like this. If you have two slits, looking at it or not, you will see the top one. Now, the really weird thing is that if you fire a single photon at a time, you will still get the top one over time, suggesting that the single photon is somehow going through both slits and interfering with itself to do so. But the even weirder thing is, if you place a detector in one of the two slits to check which slit the photon is going through? You suddenly get the bottom picture.

[–] daannii@lemmy.world 6 points 2 hours ago* (last edited 2 hours ago) (1 children)

My understanding is. Every method of measurement influences the results.

I'm in cognitive sciences not physics. But it applies there as well.

The measurement method always interferes in some way with the result.

I have used this example with helping students understand research methods.

Doesn't matter how "non-interfering" you think your method is.

In some way or another, the act of measuring or the device used to measure (or both) changes the thing being measured.

[–] pmk@piefed.ca 3 points 1 hour ago (1 children)

What constitutes "measuring" here? Is it in the wider sense of any quantification of an observation, or are there conditions?

[–] regdog@lemmy.world 1 points 9 minutes ago

Question for the ages

[–] lightsblinken@lemmy.world 2 points 3 hours ago

shy proton theory