13.06.2023 What is a ‘toroidal propeller’ and could it change the future of drones? An expert explains By Robotics News - Robot News, Robotics, Robots, Robotics Sciences in News, robotics, Robotics Classification, robots, robots in business, Robots Podcast Tag news The basic configuration of traditional propellers has not fundamentally changed since the first powered flight by the Wright brothers in 1903.