Who hasn’t caught a snowflake in a mitten and marveled at its starlike detail, and then recalled that no two snowflakes are alike? But these crystals of ice are even more different than one might imagine – there are needle-like snowflakes, hollow-column snowflakes and flakes that look like delicate dumbbells, with two joined together by a column.
Original post:
The enduring mystery of snowflakes
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