59 Tetrahedra

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Four mathematicians have successfully cataloged all tetrahedra with rational angles, finally resolving a long-standing question about fundamental geometric shapes using techniques from number theory. Read the full article: Tetrahedron Solutions Finally Proved Decades After Computer Search Model by Olena Shmahalo/Quanta Magazine; tetrahedra generated by Martin H. Weissman, based on data by Kiran S. Kedlaya et al Four mathematicians have successfully cataloged all tetrahedra with rational angles, finally resolving a long-standing question about fundamental geometric shapes using techniques from number theory. Read the full article: Tetrahedron Solutions Finally Proved Decades After Computer Search Model by Olena Shmahalo/Quanta Magazine; tetrahedra generated by Martin H. Weissman, based on data by Kiran S. Kedlaya et al.