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The world is filled with rotating objects—gyroscopes, magnetic spins, and more recently, qubits in quantum computers. For ...

Mathematicians thought that they understood how rotation works, but now a new proof has revealed a surprising twist that makes it possible to reset even a complex sequence of motion ...

As Eckmann put it, the discovery shows “how rich mathematics can be even in a field as well-trod as the study of rotations.” ...