Slime wrote:
> I think when it hits the first surface (the water surface), it accepts that
> it's inside water and uses the water ior (as far as it knows, it's going to
> come out of the water before it comes out of the glass). Then, when it comes
> out of the glass, it recognizes that it's been in overlapping materials and
> doesn't change the ior; it simply continues through the surface of the glass
> and into the water.

Sounds reasonable but is this confirmed information?

Severi

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