There are two ways for retroreflectors to function. One is through a method that uses three flat mirrors that can be as huge or tiny as an individual would want it. These mirrors are connected at right angles.
This year's Beijing Auto Show included impressive car concepts, electric vehicles, new systems, and a flying car. All other major auto show events on other continents have been canceled due to the pandemic.
[INSIDE PHOTOS] See the new motorcycle innovation that looks like a car but with only three wheels running up to 100 miles of travel per charge and which costs only half the price of a new passenger vehicle.