A self-healing structural color hydrogel inspired by nature A set of self-healing hydrogel films with different structural colors. Credit: Yuanjin Zhao.
A team of researchers at Southeast University in China has developed a self-healing structural hydrogel with a wide variety of applications. It has been noted for several years that one area where humanoid robots are lacking is skin tone—most robots have a pasty white complexion, which is both disturbing and likely to lead to social problems once robots become mainstream. Most artificial skin is not able to heal itself, which means that robots need skin replacement if it gets damaged or accidentally colored in undesirable ways. There is also the issue of colors fading...
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