Platonic Solids
Concept
Five regular, convex polyhedra where all faces are identical regular polygons and all vertices are identical, used by Kepler as spacers in his solar system model.
Mentioned in 2 videos
Videos Mentioning Platonic Solids

The Infinite Pattern That Never Repeats
Veritasium
Five regular, convex polyhedra where all faces are identical regular polygons and all vertices are identical, used by Kepler as spacers in his solar system model.

Cumrun Vafa: String Theory | Lex Fridman Podcast #204
Lex Fridman
The five regular convex polyhedra, which ancient Greeks were enamored by and tried to connect to the physical reality through geometry and symmetry.