Recently, Cloud Cube, a high-tech park in Bei'an High-tech Park, Jing'an District, Shanghai, installed a mass production kit for contactless elevator control (outside the hall + inside the car). You can operate the elevator without touching the physical keys. This floating holographic image is hygienic and cool, and it will be worn in the future. (Reporter Kang Yuzhan)
Editor-in-chief: [Luo Pan]