Toroidal Propellers Make Drones Less Annoying

A black quadcopter sits on a grey surface. In place of traditional propellers are four figure eight propellers with sharp tips where the top and bottom of the eight would be.

Despite being integral to aviation for more than a century, propellers have changed remarkably little since the Wright Brothers. A team at MIT’s Lincoln Lab has developed a new propeller …read more Continue reading Toroidal Propellers Make Drones Less Annoying