A four-dimensional analog of a cube; a hypercube; a cube in four spatial dimensions.
From Greek 'tessera' (four) + 'aktis' (ray). Coined by mathematician Charles Howard Hinton in 1888. Madeleine L'Engle used it in 'A Wrinkle in Time' as a method of space travel.
A CUBE in the FOURTH DIMENSION! We can't see it, but math says it exists — a cube made of cubes, folding through space we can't perceive! Madeleine L'Engle turned it into a way to wrinkle through space-time! 🧊🌌
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