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A new pyramid-like shape always lands the same side up

(www.quantamagazine.org)
656 points robinhouston | 1 comments | 25 Jun 25 20:01 UTC | HN request time: 0.196s | source
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tbeseda ◴[25 Jun 25 22:03 UTC] No.44382213[source]▶
So, like my Vans?

https://en.wikipedia.org/wiki/Vans_challenge

replies(1): >>44384942 #
1. ErigmolCt ◴[26 Jun 25 07:06 UTC] No.44384942[source]▶
The tetrahedron is basically the high-fashion Vans of the geometry world