this post was submitted on 01 Dec 2023
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[–] HiddenLayer5@lemmy.ml 2 points 11 months ago* (last edited 11 months ago)

By that definition, water and air are not “fully transparent”. I’m not sure if such a material exists that doesn’t scatter any amount of light.

That seems to be the scientific consensus, yes. It's like friction, no material is truly frictionless just like no material is truly completely transparent. The ocean gets real dark once you get deep enough which does seem to suggest that water is not fully transparent.

I remember my 8th grade textbook's chapter on light, and on the first page it says that transparency is a quantitative measure, not a binary yes or no.