We often see, in a pond after a rainfall, spherical water droplets on floating lotus leaves, carrying effortlessly the contaminations attached on the leaves when the surface is slightly tilted, showing self-cleansing function and low hysteresis
We often see, in a pond after a rainfall, spherical waterdroplets on floating lotus leaves, carrying effortlessly thecontaminations attached on the leaves when the surface is slightly tilted, showing self-cleansing function and lowhysteresis