Watch and marvel at this “magic” spray coat. It’s a nano-tech coating that is extremely hydrophobic and also repels almost any substance, including dirt and oil. Yeah, magic is the word to describe how it works.
Next time your mom says don’t go out in the rain, spray yourself with this, by Robert Krulwich, NPR
Hydrophobic, dirt-shedding spray is indistinguishable from magic, by Cory Doctorow, boingboing