Blog posts

The posts on this page have long given up on any form of structure or consistency. You can find some less technical items here. Short accounts of random adventures, trips or encounters. Perhaps some opinionated venting. Or small snippets of code or math (I said less technical).

The only exception

June 12th, 2025

I recorded this a few days ago. It wasn't meant to be shared with anyone, but I figured; why not?

Paul Cézanne

As a prominent figure in postimpressionism, Paul Cézanne has earned himself a spot in the summer exhibition of the Stedelijk Museum Alkmaar. How prestigious this really is, and how he would feel about it were he with us today, I do not know.

Haversine - the arc distance between points on a sphere

There are many articles and blog posts on the subject of finding the shortest distance between two points on a sphere. I have found none of them very helpful. In navigational context, it determines the distance between two points on Earth "as the crow flies" (assuming the Earth is a perfect sphere).