Objects known as trajectoids might be formed to roll alongside desired pathways
Bartosz Grzybowski et al
Wonky spheres might be sculpted to roll eternally downhill alongside any potential path, so long as the trail repeats. These “trajectoids” might be used to design robots that comply with specific routes, or to mannequin how the spin of quantum pc bits, known as qubits, will change over time.
Most objects, resembling spheres or tyres, will roll down a easy hill in a straight line. There are some objects that hint curved paths – resembling oloids, three-dimensional objects fashioned from …