Snowflakes form when supercooled water vapor freezes around particles in clouds. Temperature and humidity dictate snowflake shape; needles form around -5 to -10°C. No two snowflakes are alike due to ...
With a camera-equipped microscope of his own making, Kenneth G. Libbrecht shoots some of the world’s most stunning photographs of snowflakes. Since October, four of the physicist’s images have adorned ...
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