I think you should try it with a blue substance that should then look
greenish, or perhaps a reddish solution that should then look orange. I
also think you should bring in an incandescent light and try it with the
wine a well as with the blue or red solution. Perhaps you should simply try
drinking white wine. OR less wine. Don't try it with beer, because it
would be a shame to waste even a drop of beer.
Carol
On Wed, Feb 6, 2013 at 12:12 PM, Marc Carter <marc.car...@bakeru.edu> wrote:
> Hi again, all --
>
> First, thanks to those who responded. I think I've figured it out, but
> still need to work out details.
>
> Last night I took a few drops of wine and diluted it as much as I could
> (filled the glass as full as I could with water).
>
> Purplish, still. (I had an independent observer name the color for me.
> The spouse was there, thinking, I'm sure, that I'm slightly mad.)
>
> Then I dumped it into the sink. It was bluish, not purplish. (Again, got
> independent confirmation.)
>
> So I think that the sink is not completely white; I think it has a slight
> yellowish tint. The light reflected through the purple would have fewer
> short-wavelengths and also fewer long ones. Purple is non-spectral, and is
> gotten by combining both long- and short-wavelength lights. It could be
> that the light reflected from the sink is without (proportionately) more
> long- than short-wavelengths, and so the wine would appear bluish. This I
> think is also helped by the fact that the sink is illuminated by a
> fluorescent bulb; they tend to have more power in the shorter-wavelength
> end of the spectrum.
>
> What do you think? :)
>
> m
>
> --
> Marc Carter, PhD
> Associate Professor of Psychology
> Chair, Department of Behavioral and Health Sciences
> College of Arts & Sciences
> Baker University
> --
>
>
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