What a coincidence! Three days into National Chemistry Week, we dive further into STEM education to celebrate Mole Day. We’re not toasting the burrowing animal, but the unit of measurement (mole) used primarily in chemistry and molecular science studies. We don’t know how many moles of liquid nitrogen are in this photo, but we do like the dynamic look of the super-cooled element, which in liquid form can resemble boiling water. We hope this photo doesn’t depict liquid nitrogen after somebody in the lab dropped their keys into the vat. At minus 320 degrees Fahrenheit, liquid nitrogen tends to flash-freeze anything immersed in it.
Of moles and liquid nitrogen
More Desktop Wallpapers:
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Iceberg off the coast of Antarctica
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The aftermath of a meteorite
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Hut, hut, hike!
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Montreux, Switzerland, and all that jazz
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Stari Most in Mostar, Bosnia and Herzegovina
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A growing business
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Flower of Life symbol drawn in snow
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May we have this dance?
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Digging the birds
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Paleontology meets art
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Who s wearing such cute hats?
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Bearded reedlings in Flevoland
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Celebrating migrations
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50 years of World Heritage Sites
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Bathing in the light of Pride
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A horse of many colors
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Satellite image of sand and seaweed in the Bahamas
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Southern right whale
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The mighty, mighty mushroom
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Lighting it up for Vivid Sydney