Curious Questions: Are snowflakes really all unique?
Award-winning writer John Lewis-Stempel’s soul is moved both by the art and the science of the snowflake. Snowflakes are formed by what meteorologists call the Bergeron Process, named for 20th-century Swedish weatherman Tor Bergeron. Cloud with a temperature between 0˚ and -20˚C or below contains super-cooled water, ice crystals and water in a gas state….
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