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[Discussion] I didn't know this (alien.top)

submitted 2 years ago by Still_Equivalent_811@alien.top to c/watches@style.land

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I was running a bath and noticed that at certain angles the crystal becomes completely reflective like a mirror. I know that it's got to be to do with water refracting light or somethjng. It's a first for me, has anyone else noticed this or knows of any other weird behaviour of watches under certain conditions etc?

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[–] gdv87@alien.top 1 points 2 years ago (1 children)

Snell's law. You are varying the refractive index of the external medium (air vs water), thus varying the critical angle for total internal reflection.

[–] damonlebeouf@alien.top 1 points 2 years ago

thanks there dr science