To recreate a human in robot form is no small piece of work. Making a human brain? Researchers have already started modelling synapses and neurons in software and hardware. A robot that can move like a human? Researchers are already building artificial muscles, joints and tendons for the bipedal machines.
First, there’s the matter of size: at 1.5m to 2m square, skin is the largest organ in the human body. Then there’s everything it does. As well as keeping our insides inside and the outside world out, skin does a lot of amazing, complex things. It has separate receptors to detect different sensations: pressure, texture, vibration, cold and heat, plus the ability to pick up diverse sensations from even the slightest touch, across the whole body.
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