Cow B! High-speed cameras film the movement of water on the waterproof material

This is a high-speed camera recording the movement of water on a waterproof material called carbon nanotube array. On the left side of the video, the water drop capacity, the video shooting speed, the drop drop speed and the slope of the ground are shown. There are some brief descriptions. Makes you feel the movement of water droplets that you can't see with the naked eye.