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The Unbelievable World of Snowflakes

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Snow crystals

"Snow crystals," Ukichiro Nakaya wrote in 1939, "may be called letters sent from heaven." The Japanese physicist spent his life studying snowflakes, eventually becoming the first to create an artificial snow crystal in the laboratory. His breakthrough led to a nuanced understanding of how snowflakes form.

Image credit: SnowCrystals.com

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