Scientists engineer the world's first cyborg flesh. Here it comes.

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Scientists engineer the world’s first cyborg flesh. Here it comes.

In a lot of old sci-fi, humanoid robots, androids and cyborgs operate on hydraulics, pins, gears or metallic muscle-like fiber. But in the future, cyborgs and androids could have muscle that looks just like any other muscle, only theirs will be embedded with tiny electronic circuitry to give them the strength to punch every human in the face.

The results, published in Nature Materials, detail how scientists in the lab embedded electrical nanowires into the lab-grown flesh.

Dr Charles Lieber, who is a chemistry professor at Harvard and the leader of the research team, told the Harvard Gazette: ‘With this technology, for the first time, we can work at the same scale as the unit of biological system without interrupting it. ‘Ultimately, this is about merging tissue with electronics in a way that it becomes difficult to determine where the tissue ends and the electronics begin.’

The Gazette notes that the researches initially worried about how the ‘skin,’ once implanted, would sense and react to chemical and electrical changes. Normal human skin is capable of sensing oxygen, pH, and other elements in the air, and reacts to each one accordingly.

The challenge, then, was engineering skin that would do the same. First, a 3D mesh of organic polymer is laid out with nanoscale wires within. According to Nature Materials, the wires serve as ‘critical sensing elements.’

Then, they worked in human neurons, heart cells, and blood vessels. When the substrate was dissolved, researchers had mesh they could contour into the shapes they needed. Because of the embedded wiring, scientists were able to obtain accurate readings of pH.

Via