Art / Memories / Science

Phase Transitions 1

This is the first in a new series of posts with abstract (micro-) photography. I am going to intermix these with the other stuff I am posting there. If you are not yet following The Kellerdoscope, just give it a try. I am normally not reblogging the articles from there here.

For me, this is art, this is scienc, and there are memories. I once spent many hours looking through a microscope doing such experiments…

The Kellerdoscope


This is the first of a new series of posts that will show abstract photographs made by Svend Keller during the 1970s or 1980s (I don’t know exactly). I hope you will enjoy them. Actually, these are microphotographs. Details can be found in my previous article Organic Martensite.

A phase transition is a change from one phase to another. Phases are different states of matter, e.g. liquids and solids. On this image, you can see some crystals (colored areas, solid phase) and some rests of liquid, molten material between them (colorless areas, liquid phase). The colors are the result of an optical effect involving polarized light. In the crystalized areas, the molecules are ordered into a regular configuration, a crystal lattice. This ordered configuration has different optical properties in different directions, resulting in this optical effect. In the molten material, the molecules appear in all possible directions, so it…

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