And Liquid Nitrogen flows UP and not down...but you are right about mercury.....

Equiprawn wrote:

> Hi,
>
> >reflected caustics on the glass (you _can_ see them, can't you?
>
> Yes! Don't worry, I can see them.
>
> >The glass itself is simple CSG, needs some work. I feel there is something
> >wrong with the refractions (at least upper part, where top of the wiskey
> >meets the glass).
>
> I might know what this is. If you fill a clear glass with water, and look at
> the top where the water's surface meets the glass, you will see that the
> surface doesn't stay flat, but in fact curves up slightly. This happens
> because of water tension, and in fact happens with all liquids, AFAIK. The
> only exception I know of is liquid mercury, which curves down instead of up.
>
> Very nice image!
>
> Equiprawn

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