Aerodynamic sensors could speed up autonomous vehicles

If you live in one of the roughly dozen US cities where autonomous vehicles are present, you likely recognize them by their eye-catching, spinning tops. These high-tech flappers are filled with sensors—usually a mix of LiDAR, radar, and cameras—that serve as the eyes and ears for AVs to map the world around them.

https://www.popsci.com/technology/autonomous-vehicles-sensors/