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15 hours ago · In contrast to the centroid, the circumcenter may not always lay on the inside of a tetrahedron. Analogously to an obtuse triangle, the circumcenter is outside of the object for an obtuse tetrahedron. Centroid. The tetrahedron's center of mass can be computed as the arithmetic mean of its four vertices, see Centroid. Faces
- F = 4, E = 6V = 4 (χ = 2)
- {3,3}
- 4 {3}
- Platonic solid
15 hours ago · Space exploration, as predicted in August 1958 by the science fiction magazine Imagination. Science fiction (sometimes shortened to SF or sci-fi) is a genre of speculative fiction, which typically deals with imaginative and futuristic concepts such as advanced science and technology, space exploration, time travel, parallel universes, and extraterrestrial life.
15 hours ago · The Object Of Jewish Literature : A Material History by Barbara E. Mann Through the lens of materiality and objects, Barbara E. Mann tells a history of modern Jewish literature, from novels and poetry to graphic novels and artists' books. Bringing contemporary work on secularism and design in conversation with literary history, she offers a new ...
