This is a heavily interactive web application, and JavaScript is required. Simple HTML interfaces are possible, but that is not what this is.
Post
Observatoire Persée Numérique
perseenumerique.bsky.social
did:plc:o6stunumgz3bsjercdb7zeuh
The leap year example is out of a scientific paper but of course models change one day to the next: www.arxiv.org/abs/2508.01191
https://www.arxiv.org/abs/2508.01191
2026-02-09T14:09:59.858Z