1. eigendrum (eigendrum.com)
  2. Githubstatus.com currently says everything is working, but it isn't

  3. https://www.nature.com/articles/s41573-026-01496-2

  4. https://xcancel.com/DarioAmodei/status/2088758816376807762

  5. Linear algebra done right (linear.axler.net)