I was looking at bubbles under the microscope.
Not for any particular reason. There was a slide, there was a microscope, and there were bubbles trapped in the medium, and something about the way they held their shape at that magnification made me stop and look longer than I meant to. The geometry of a bubble at that scale is surprisingly precise. The surface tension that keeps it intact is doing serious work, and you can see that work in the perfect curve of the wall.
That was the beginning.
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