Objects referred to as trajectoids may be formed to roll alongside desired pathways
Bartosz Grzybowski et al
Wonky spheres may be sculpted to roll eternally downhill alongside any doable path, so long as the trail repeats. These “trajectoids” may very well be used to design robots that observe explicit routes, or to mannequin how the spin of quantum pc bits, referred to as qubits, will change over time.
Most objects, equivalent to spheres or tyres, will roll down a easy hill in a straight line. There are some objects that hint curved paths – equivalent to oloids, three-dimensional objects fashioned from …
Source: www.newscientist.com