After several years of rapid development, touch screen technology is now very mature. A startup company located in Russia broke away from conventional touch screen technology and developed air touch screen technology, which attracted a lot of attention at the International Consumer Electronics Show. This machine will emit a stable and moist airflow as a touch medium, and project images into the gas in a projection-like manner. It then uses motion sensors to recognize the users gestures and complete a series of functions implemented on the physical touch screen. , such as sliding, zooming, flipping, etc. In actual operation, even if the air flow sequence is disrupted, its color correction technology can achieve clear images, but the touch response speed needs to be verified.