The Chemistry of Snowflakes
We’ve all been told that no two snowflakes are exactly alike. Think again. This short video from the American Chemical Society explains how snowflakes form, sprouting long, pointy, distinctive branches that vary in shape and size as each flake rises and falls through layers of warmer or colder air. Contrary to common belief, occasionally two snowflakes are identical, but only in the rarest instances. H/T IMAO
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