What are snowflakes: they are supercooled conglomerations of microscopic cloud droplets. They form when two of these microscopic cloud droplets freeze together. Snowflakes come in a variety of complex shapes and sizes that are determined by temperature and humidity changes as the flake falls from the sky. It is necessary for several water molecules to freeze together and form an ice lattice so that a droplet can freeze around this nucleus at temperatures lower than -35'C. The individual ice crystals often have a hexagonal symmetry but are they unique? Are there any two snowflakes that are the same? It is very unlikely that two snowflakes will ever be the same because each one contains roughly 10 to the 19 water molecules that is 1 quadrillion or 1,000,000,000,000,000, but it is however possible. If two snowflakes were created in the same environmental conditions, save for the difference between the actual water molecules it would be possible for two snowflakes that were identical in shape and size to exist. In 1988 two ice crystals substructures of a snowflake that were identical were found in Wisconsin. So MRHP would just like to remind you that nothing is impossible...
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