https://makezine.com/article/technology/robotics/snakebot-that-moves-with-continuous-wave-peristalsis/
Snakebot that Moves With Continuous Wave Peristalsis - Make:
Sep 20, 2012 - We have developed several innovative designs for a new kind of robot that uses a continuous wave of peristalsis for locomotion, the same method that
continuous wavesnakebotmovesperistalsismake