Snowflakes

Snow is the letter from the sky. ――by Nakatani ukichiro(1938)

I love snowflakes. This video introduces history, formation, and various kinds of snowflakes briefly.

I'm sure you are interest in these crystals. We can study this beautiful crystals in glaciology(雪氷学).Snow crystal is not only beautiful but also useful to know about the mystery of the sky. Researchers try to clear up the process to sublimate(昇華), and to apply glaciology to daily life.

By the way, do you know difference between snowflakes and ice? The steam(gas) sublimates into snowflakes(solid). The water freeze into ice(solid).

For more information, try to click this website.

http://www.its.caltech.edu/~atomic/snowcrystals/