Rain-X - A Hydrophobic Self Assembling Monolayer

Introduction:

For those who have not heard of it, Rain-X is an especially helpful tool for your windshield. Rain-X and its competitors coat the surface of glass and allow water to effectively bead up and slip away. A quick demonstration shows how effective Rain-X can be on a windshield (Ignore the science of ‘pores’ in this video, the real science behind rain-x will be discussed later):

Rain-X Original Glass Treatment Video