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2026-09-12 18:02:56 UTC
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robinhouston on Nostr: There is a regular tetrahedron whose vertices all have integer coordinates, e.g. (-1, ...

There is a regular tetrahedron whose vertices all have integer coordinates, e.g.

(-1, -1, -1)
(+1, +1, -1)
(-1, +1, +1)
(+1, -1, +1)