Rooster is an anti-shake expert. The stability of chicken head is based on the self-regulation function of its own nervous system. In order to keep a clear head and keep the balance between body and mind during exercise, the unique characteristics of brain nerves send signals to all parts of the body, which are transmitted back to the brain center after adjustment, and finally release instructions to maintain the stability of important parts of the head. The neck muscles react quickly to maintain balance. Similar to the human eye.

Not long ago, Verily Life Sciences, a subsidiary of Google, released a spoon LiftwareLevel designed for patients with Parkinson's disease. It has a built-in microcomputer and sensor, which can sense the direction and intensity of trembling, and then offset a certain amplitude through the reverse motion of the motor, thus eliminating the influence of trembling. This looks like the stability principle of chicken head.