The 3D regular convex polyhedrons are super famous, have the name: Platonic solid, and have been known since antiquity. In particular, there are only 5 of them.
The counts per dimension are:
DimensionCount
2Infinite
35
46
>43
The cool thing is that the 3 that exist in 5+ dimensions are all of one of the three families:Then, the 2 3D missing ones have 4D analogues and the sixth one in 4D does not have a 3D analogue: the 24-cell. Yes, this is the kind of irregular stuff Ciro Santilli lives for.
Fields Medal by Ciro Santilli 37 Updated 2025-07-16
That 15,000 canadian dollar prize though, what a joke! That's what you get when an impoverished scientist, and not a rich industrialist, creates a prize!
Edward Teller by Ciro Santilli 37 Updated 2025-07-16
Video 1.
Witnessing the test explosion Edward Teller interview by Web of Stories (1996)
Source.
Video 2.
Edward Teller, An Early Time
. Source. Comissioned by the Los Alamos National Laboratory in 1979. Producer: Mario Balibreraa.
Ettore Majorana by Ciro Santilli 37 Updated 2025-07-16
Ciro's theory for his disappearance is that he became a Majorana fermion and flew off into the infinite.
Figure 1.
Ettore Majorana
. Source. What a nerd!

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