The skin-on interface, developed by researchers at the University of Bristol in partnership with Telecom ParisTech and Sorbonne University, mimics human skin in appearance, but also in sensory resolution.

The researchers adopted a bio-driven approach to developing a multi-layer, silicon membrane that mimics the layers present in human skin. It is composed of a surface textured layer, an electrode layer of conductive thread and a hypodermis layer. Not only is the interface more natural than a rigid wrapper, but it can also detect a plethora of gestures made by end-users. As a result, artificial skin allows devices to 'feel' the user's understanding - its pressure and location and can detect interactions such as tickling, caressing, even twisting and pinching.

"This is the first time we've had the opportunity to add skin to our interactive devices. The idea is probably a little surprising, but the skin is an interface we're highly familiar with, so don't use it and its richness is what we use on those devices." With what do we use every day? ”Associate Professor in Human-Computer Interaction at the University of Bristol, Dr. Said Anne Roudot, who supervised the research.

"Artificial skin has been widely studied in the field of robotics, but with a focus on safety, sensation, or cosmetic purposes. This is the first research we are aware of that allows realistic artificial skin a new input for absorbent devices Exploits as a method. " Said Mark Teyssier, lead author.

In the study, researchers demonstrated phone cases, computer touchpads, and smartwatches to show that touch gestures on skin-on interfaces can deliver expressive messages for computer-mediated communication with humans or virtual characters.

"The main use of smartphones is mediated communication, using text, voice, video, or a combination. We have implemented a messaging application where users can express rich tactile feelings on artificial skin. Touch intensity controls the size of the controls Is. Emojis. A strong grip evokes anger while tickling the skin displays an emoji of laughter and a harness Makes a thing of surprise "said Mark Tessier.

"This work illustrates the difference between man and machine. We have seen many tasks trying to extend humans with parts of machines, here we look at the other way and try to make those tools That we use every day, like human-like, ”Dr. Roudaut said.

It may not be long before these tactile devices become the norm. The paper offers all the steps necessary to replicate this research, and the authors are inviting developers to approach it with an interest in skin-on interfaces.

Researchers say the next step will make the skin more realistic. They have already started embedding hair and temperature characteristics, which may be enough to give the devices - and the people around them - goose-bumps.