Recently, I have been invoved in several threads of comments on my own as well as other people’s blogs. Some of these comments and discussions will give rise to new articles here on The Asifoscope soon, and there are other ideas for new articles in the making, but for the moment, you will have to make do with a reblog from my art blog. I hope you will like it.
This is the last slide in the second series of Phase Transitions. Looking at these pictures, I find it amazing how such a beautiful structure can arise by itself. We see here a mixture of the laws of physics and the accidental history of the events under the microscope.
Two substances where mixed and melted, so from two white powders, we got a liquid drop. This was the first phase transition, from solid to liquid. The old order of the crystals in the powders was forgotten. The result is an unordered jumble of molecules moving around.
When they were cooling down again, crystals started growing. This was the second phase transition, from liquid to solid. Where these crystals grow and in what direction is a matter of accidents. It might be little bits of dust, but maybe just an accidental arrangement of some molecules to form the “seed” of a…
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