Galileo Thermometer

This is a Galileo Thermometer, depending on the temperture the glass "blobs" inside rise or fall. The lowest floting one, not at the bottom, best describes the current temp.

You can find out a little more at
[link]
and
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This was taken on the floor of my apartment, I was trying a few different things but nothing really turned out the way I wanted it.. I might put up one of the others as well....

Would this be better placed under "Still"????