Determining the propulsion mechanism of a water strider

A water strider swims across water sprinkled with thymol blue.

More about this Image
In this image, a layer of water was sprinkled with the chemical thymol blue, which established the Marangoni convection responsible for the evident fine-scale texture pictured here, as part of ...This is an NSF Multimedia Gallery item.

Source: NSF Multimedia Gallery - December 8, 2020 Category: Science Source Type: video