4D Toys: a box of four-dimensional toys, and how objects bounce and roll in 4D
5.9M views · 9 years ago · demo · evergreen
A look at 4D Toys, a box of four-dimensional toys made by the creator of the game Miegakure. It shows how objects bounce, roll and rotate in four spatial dimensions, which are explored through a 3D slice.
HN points to it as the most intuitive way to see how things move in four dimensions.
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