Hydrophobic coatings are specialized materials designed to repel water and prevent it from adhering to surfaces. These coatings create a barrier that causes water droplets to bead up and roll off, reducing the risk of corrosion, staining, and damage. They are commonly used on various surfaces, including glass, fabrics, and metals. The technology behind hydrophobic coatings often involves the use of nanotechnology, which enhances the surface's properties at a microscopic level. Applications range from everyday items like clothing and footwear to industrial uses in automobiles and electronics, improving durability and longevity.