[jrsdav]

Kind of fun to think that the crystalline structure of minerals is an "echo" of their arrangement of atoms. A repeating pattern on a scale we can actually observe.

[ProllyInfamous]

Zoom out, too:

[CGP Grey - Metric Paper] <https://www.youtube.com/watch?v=pUF5esTscZI> - among my favorite videos

Yet even Plancks remain analogue...