I didn’t realise this article was out already! Featuring some computations and diagrams by me (which, to my great excitement, Don Knuth emailed me about when he heard of them).

_On Max Bill’s gelbes feld_ by Barry Cipra.

https://www.ams.org/journals/notices/202605/noti3334/noti3334.html

I can’t find a PDF of just that article. Maybe the Notices don’t do that any more? But here is the whole issue, if you want it formatted more nicely: https://www.ams.org/journals/notices/202605/202605FullIssue-optimized.pdf