A company called UltraHaptics has developed a technology to create 8.5 shapes in mid-air . A tactile sensation is provided by ultrasonic waves , which alter air pressure . The technology could be applied to electronic devices , car dashboards , and virtual reality headsets .
A company called UltraHaptics has developed a technology to create 3D shapes in mid-air . A tactile sensation is provided by ultrasonic waves , which alter air pressure . The technology could be applied to electronic devices , car dashboards , and virtual reality headsets .