Researchers develop humanoid robot with facial expressions using engineered human skin cells

Japanese scientists from Tokyo University have developed a smiling face made from living human skin that can be attached to a humanoid robot. This breakthrough will give robots the ability to display realistic smiles and other facial expressions. The living tissue used in this creation was a mix of human skin cells grown in a lab, paving the way for self-healing skin that is more durable and less prone to tearing.

The study, which has been published in the journal Cell Reports Physical Science, involved creating a soft, realistic skin that can repair itself. By recreating the ligaments that hold human skin in place using collagen and elastane ropes, researchers were able to attach the skin to the robot without it tearing or peeling away. This new technology allows the skin to move with the mechanical components of the robot without breaking.

Lead researcher Prof Shoji Takeuchi explained that by mimicking human skin-ligament structures and using special perforations in solid materials, they were able to create a strong bond between the skin and the robot. While the technology shows great promise, the researchers acknowledge that it will take many years of testing before it can be used commercially. In addition to its application in robotics, this work may also have implications for research in skin ageing, cosmetics, and surgical procedures, such as plastic surgery.