In a groundbreaking development, researchers from Tokyo University have successfully created a humanoid robot face adorned with a smiling expression made from living human skin cells. This innovation aims to equip robots with realistic facial expressions, enhancing their interaction capabilities with humans.
The project, detailed in the journal Cell Reports Physical Science, involved cultivating a cultured mix of human skin cells in a lab setting. This living tissue not only mimics the softness of real skin but also possesses self-healing properties, making it resilient against tears and damage.
To achieve this feat, scientists focused on recreating the ligament structures that anchor human skin, utilizing flexible collagen and elastane fibers. They applied a gel containing collagen into small holes drilled into the robot’s surface, securing the layer of artificial skin on top. This method ensures that the skin remains elastic and durable, capable of moving seamlessly with the robot’s mechanical components.
Professor Shoji Takeuchi, the lead researcher, highlighted the significance of mimicking human skin-ligament structures to enable robust adhesion to complex robot surfaces. “The natural flexibility of the skin combined with strong adhesion prevents tearing or detachment, allowing the skin to move fluidly with the robot,” explained Prof. Takeuchi.
While the achievement marks a significant milestone in robotics and biomedical research, the team cautioned that further testing and refinement are necessary before the technology can be commercially applied. Potential applications extend beyond robotics to fields such as skin aging research, cosmetics, and even surgical procedures like plastic surgery.
This pioneering endeavor not only advances the capabilities of humanoid robots but also opens avenues for future innovations in integrating biological materials with mechanical systems. As the project progresses, it promises to redefine the boundaries of human-robot interaction and pave the way for more lifelike and responsive robotic companions.
Sources By Agencies
