Newslink: Robot prototype will let you feel how it’s ‘feeling’
The Human-Robot Collaboration and Companionship Lab developed a soft robotic skin that can change its texture to express its internal state, such as emotions. The prototype skin can change its skin through a combination of goosebumps and spikes.
http://news.cornell.edu/stories/2018/07/robot-prototype-will-let-you-feel-how-its-feeling