In a conventional spoked wheel, most of the stress is concentrated where spokes meet rim.
One solution is to beef-up the outer ends of the spokes, but this boosts the moment of inertia enormously, overcoming any benefit from the use of lightweight alloy, for example.
Today’s invention is therefore to manufacture wheels which have a strong but lightweight, triangular mesh of spokes near the outer edge.
The form that these wheels might take is indicated above and is based on a Wolfram Demonstrations Project.
This kind of fractal-based design allows for a more effective distribution of stress and might be made relatively easily by additive manufacture using a 3D sintering machine (if they can do gearwheels then roadwheels should also be feasible).