██████╗ ██╗ ██╗███████╗ ██████╗ █████╗ ██████╗ ██╔═████╗╚██╗██╔╝██╔════╝██╔═████╗██╔══██╗██╔══██╗ ██║██╔██║ ╚███╔╝ █████╗ ██║██╔██║███████║██║ ██║ ████╔╝██║ ██╔██╗ ██╔══╝ ████╔╝██║██╔══██║██║ ██║ ╚██████╔╝██╔╝ ██╗██║ ╚██████╔╝██║ ██║██████╔╝ ╚═════╝ ╚═╝ ╚═╝╚═╝ ╚═════╝ ╚═╝ ╚═╝╚═════╝
anon@cyberrealm:~ $ ls
anon@cyberrealm:~/tags/physics $ ls -la
total 1
-rw-r--r-- Jun 08 2026 sun-earth-quat.md → estimating earth motion with quaternions
anon@cyberrealm:~/tags/physics $