2 diciembre 2014
Technology has changed rapidly over the last few years with touch feedback, known as haptics, being used in entertainment, rehabilitation and even surgical training. New research, using ultrasound, has developed an invisible 3D haptic shape that can be seen and felt.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/eXIqnHpwWtU/141202123846.htm
