Position:Water and culture

1000 appearance 100 condition snowflake

From;    Author:Stand originally

Mixed snowflake crystal is generated in the sky hind, when their diameter achieves 50 micron, can overcome airy flotage and begin apparent fall to move, at the same time elegant drop to continue to grow at the same time change. Come so, produced the snowflake with formal various diverse and confused. We should admit them in black woolen cloth only or black velvet go up, can use naked eye preliminary discern the form that gives them comes.

(pick from " Chinese popular science reads extensively " )

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