3 ms·
Another cool zircon time keeper is https://en.m.wikipedia.org/wiki/Fission_track_dating https://en.m.wikipedia.org/wiki/Fission_track_dating
by Avshalom 6y ago
Another cool zircon time keeper is https://en.m.wikipedia.org/wiki/Fission_track_dating https://en.m.wikipedia.org/wiki/Fission_track_dating