Are there really no two snow crystals equal?

scinexx.de

Factuality

Ownership

Are there really no two snow crystals equal?

A snowflake may fall from the sky and unobtrusively joins its kind on the roof. Another flake falls, then another, and then a few million more, until the whole roof is covered like a white cloth. But, it is said, even if several billion snowflakes fall from the sky – there is never a snow crystal like the other. Everyone is unique in themselves – just like man. Is that true? "It is extremely unlikely that two complex snow crystals look exactly t…