Google celebrates on the Japanese Landing page the 113th Birthday of Ukichiro Nakaya 中谷 宇吉郎 with a Doodle.
Ukichiro Nakaya (中谷 宇吉郎 Nakaya Ukichirō, July 4, 1900 — April 11, 1962) was a Japanese physicist and science essayist known for his work in glaciology and low-temperature sciences. He is credited with making the first artificial snowflakes.
From 1933, Nakaya observed natural snow and created 3,000 photographic plates of snow crystals, classifying them into seven major and numerous minor types. In the course of these observations, taking photographs of natural snow and sorting them by appearance according to weather conditions, Nakaya felt the need to make artificial snow from ice crystals grown in the laboratory. He generated water vapor in a dual-layer hollow glass tube, which was then cooled. Contrary to his initial expectations, creating snow crystals was not an easy task — instead of forming into snowflakes, the ice crystals grew like caterpillars on the cotton string he used for nucleation.
More Information: http://en.wikipedia.org/wiki/Ukichiro_Nakaya
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- Snowflake (richardankerswrites.wordpress.com)