Field Noteshttps://cdn.xingchenliu.com/Software, systems, and observations.enA different scalehttps://cdn.xingchenliu.com/notes/a-different-scale/https://cdn.xingchenliu.com/notes/a-different-scale/A view from orbit, and a reminder to change the frame before changing the system.Sun, 08 Nov 2026 12:00:00 GMTSmall tools, clear boundarieshttps://cdn.xingchenliu.com/notes/small-tools-clear-boundaries/https://cdn.xingchenliu.com/notes/small-tools-clear-boundaries/A tool does not have to do very much. It does have to make its promises clear.Sun, 08 Nov 2026 12:00:00 GMTBackups are a workflowhttps://cdn.xingchenliu.com/notes/backups-are-a-workflow/https://cdn.xingchenliu.com/notes/backups-are-a-workflow/A copy is only one part of recovery. The rest is knowing what it contains and how to use it.Sun, 08 Nov 2026 12:00:00 GMT