See Six
The good people at the US Postal service do produce some splendid sets of stamps on quite a regular basis. Today, to my delight, I was offered this set as one of my choices at the post office:
[image: stamps/snowflakes]
There’s so much physics behind the microscopic lattice of H2O molecules underlying such a lovely shape, with the pleasant C6 symmetry of the macroscopic result – the snowflake. I found a lovely “morphology diagram†showing the sorts of shapes you get depending upon temperature and supersaturation of the water vapour that condenses to […] Click to continue reading this post
