Robots could soon be cloaked in human-like synthetic skin, similar to the cyborg assassin of the “Terminator” movie franchise, after Stanford University researchers developed an ultra-realistic, self-healing material.
Researchers have been studying and developing convincing skin materials for robots for years, with Stanford professor Zhenan Bao touting the first multi-layer self-healing synthetic electronic skin back in 2012.
More than a decade later, Bao and fellow researchers have taken their studies even further into the future: layers of synthetic skin that can now self-recognize and align with each other when injured, simultaneously allowing the skin to continue functioning while healing.
“We’ve achieved what we believe to be the first demonstration of a multi-layer, thin film sensor that automatically realigns during healing,” Christopher B. Cooper, Stanford Ph.D. student and co-author of the study, told SWNS.
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Similar to human skin, the materials produced by the Stanford researchers can sense thermal, mechanical or electrical changes around it. The current prototype featured in the study was designed to sense pressure.
“It is soft and stretchable. But if you puncture it, slice it, or cut it each layer will selectively heal with itself to restore the overall function. Just like real skin,” co-author Sam Root said.
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“Combining with magnetic field-guided navigation and induction heating, we may be able to build reconfigurable soft robots that can change shape and sense their deformation on demand,” co-author Renee Zhao said.
The researchers said they are next working on making the layers of skin as thin as possible that have different functions, such as a layer that can sense a change in temperature and another layer that senses pressure.
Amid the tech race to build even more powerful AI systems, humanoid robots are also finding themselves in the spotlight. A Texas-based company is working on “general purpose robots” that will be used to assist with household duties, while a robotics startup backed by OpenAI is working to commercialize humanoid robots for the workplace.