A brief primer on the science of snowflakes.

The folks at It’s OK to be Smart have a cool little video up on YouTube that talks about snowflakes, how they’re formed, and whether or not it’s true that no two are exactly alike:

One of the things I love about snowflakes is that they’re a great example of order and complexity from chaos. Just a few simple rules of physics produces the amazing variety of patterns a snowflake can take on. All from a bunch of hydrogen and oxygen atoms that bonded together and then bumped into each other.