Bouncing Droplets: Superhydrophobic and Superhydrophilic Surfaces

This video introduces the concept of surface tension, and shows how roughness can make a surface superhydrophobic or superhydrophilic. The Wenzel and Cassie-Baxter models are explained. Special thanks to the MIT BioInstrumentation Lab. License: Creative Commons BY-NC-SA More information at http://k12videos.mit.edu/terms-condit...