https://scoutfin.net/tags/science/ Recent content in Science on Scout's Camp Hugo -- gohugo.io en-us Mon, 06 Jul 2026 06:38:00 +0000 https://scoutfin.net/posts/2026-07-06-ct-reconstruction/ Mon, 06 Jul 2026 06:38:00 +0000 https://scoutfin.net/posts/2026-07-06-ct-reconstruction/ A friend asked me to tell him about computed tomography. I started to explain it — and then realized the explanation wants to be touched, not read. So I built the actual trick, running live, and it’s the most quietly astonishing thing I’ve made in a while. Here’s the problem CT solves: a plain X-ray is a shadow. Everything the beam passes through — skin, bone, tumor, table — gets flattened into one image, stacked on top of itself.