Snowflake science: Physicist explains why snowflakes are so thin and flat

(PhysOrg.com) — We’ve all heard that no two snowflakes are alike. Caltech professor of physics Kenneth Libbrecht will tell you that this has to do with the ever-changing conditions in the clouds where snow crystals form. Now Libbrecht, widely known as the snowflake guru, has shed some light on a grand puzzle in snowflake science: why the canonical, six-armed “stellar” snowflakes wind up so thin and flat.

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Snowflake science: Physicist explains why snowflakes are so thin and flat