There was no total eclipse at my location today, but it got pretty close. I decided to have a go at…

Дата публикации: 13-08-2026 07:21:32

polyhedronguy:There was no total eclipse at my location today, but it got pretty close. I decided to have a go at something mathematical that was eclipse related while it was happening. I pricked out a pattern of holes in a sheet of card and then used them as pinhole cameras to show lots of images of the partially eclipsed sun on a blank canvas.The pattern I used was a Fibonacci spiral, often found in nature, and the result was lots of little images of the partially eclipsed sun. By varying the distance between the holes and the canvas I could change the size of the little eclipse images. I think the overall effect looks like a chrysanthemum, especially with the larger distance.

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