Human and robotic skin? possible? 

One of the objectives of engineers for several years has been that humanoid robots can or will have a more human appearance, especially in the medical and service sectors because they have a more personalized interaction with humans.

Today, Japanese researchers, from whom we are not surprised to expect such a breakthrough since it is the country where humanoid robots are most widespread; already used to provide assistance to the sick or people with reduced mobility, but also present in some stores and companies as receptionists, have succeeded in making robot skin with a human-like texture. So far they have covered only one finger, but their plan is to refine the technique for use on humanoids and facilitate its social acceptance.

Until now, the closest thing to human skin that has been manufactured is silicone skin with which an attempt is made to give robots a human appearance, but the reality is that the material falls short when you want to copy delicate textures such as wrinkles or features. skin specific.

How did they achieve this? Well, first they immersed the robotic finger in a cylinder with a solution of collagen and human dermal fibroblasts, the two main components that make up the connective tissues of the skin and that is that the natural tendency to shrink that this mixture of collagen and fibroblasts presents, allowed it fits well on the finger.

This layer acts as a uniform base that makes it easier for the next layer of cells to adhere correctly, human keratinocytes, which are the most present cells in the human epidermis, make up 90% of the outermost layer of the skin. This allows the skin to be water repellent and apart from all that it has the ability to self-heal. Yes, self-heal, can you believe it!

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