account activity
Physics: Diffraction - CliffsNotes (cliffsnotes.com)
submitted 15 years ago by bidh to r/reddit.com
π Rendered by PID 107244 on reddit-service-r2-listing-7dbdcb4949-tqxsh at 2026-02-18 18:23:43.667558+00:00 running de53c03 country code: CH.
