This ring-shaped, 845 HP in-wheel engine degrades hydrogen. Donut Lab's new motor brings power to the electrical vehicle ...

Donut spun off from this innovation, set up to build these donut-shaped rim motors in a variety of sizes so as to cater for the entire electric mobility industry. In addition to the five different ...

The future of imaging extremely small objects may come down to doughnut-shaped beams of light, according to a study from researchers at JILA and the Department of Physics. The study explored the ...