[PDF via NewAtlas] Inspired by some of the experiments with “ring wings” in the early 20th Century, researchers iterated on various toroidal propeller geometries until arriving at one that ...

MIT recently announced its research on toroidal propellers to create quieter drones. That got [Major Hardware] thinking about noisy PC fans. The obvious solution was to adapt the toroidal shape ...

We’ve talked about 3D printed next-gen perovskite solar panels, houses, and the development of advanced toroidal propellers for boats and drones. So you probably shouldn’t be surprised to ...