[1/3] You can carve a tunnel through a cube that another cube the same size can pass through. All the Platonic solids share this property, and so do all n-cubes: https://www.researchgate.net/publication/325349715_The_n_-Cube_is_Rupert … Wallis credits Prince Rupert of the Rhine with noting this of the cube, so mathematicianspic.twitter.com/tFJ3ctPiPq
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I wonder how many of these cube tunnel pieces can be stuck into each other. More than three, anyone?
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