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I used to sit and stare at these beautiful glass orbs when I was a kid.
A Galileo thermometer (or Galilean thermometer) is a thermometer made of a sealed glass cylinder containing a clear liquid and several glass vessels of varying densities. As temperature changes, the individual floats rise or fall proportion to their respective density.
It is named after Galileo Galilei because he discovered the principle on which this thermometer is based—that the density of a liquid changes in proportion to its temperature—and invented a thermoscope based on this principle.
3 responses
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JamesHarmon McQuilkin gave props (22 Dec 2012):
such deeply rich and delicious colours
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Vin Weathermon said (27 Dec 2012):
Thank you JHM....appreciate the thoughtful comment....vin
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Charlena Cavender said (17 Jan 2013):
I love the way you captured this... great shot















