Liquid Robotics
A wave glider (English wave glider ) is an unmanned water vehicle that takes the energy for movement of the waves.
Operation
The wave glider is composed of two interconnected parts: the upper part floats on the water, the lower part floats about seven feet of water and is from the upper part moves up and down.
By attached to the lower part of this movable sash up and down motion is converted into a forward movement. The lower part thus pulls the upper part forward.