What is the Trick to Making the Most Waterproof Stuff on Earth?

Kripa Varanasi is best known as the head of the research team that developed LiquiGlide, a slippery surface technology that’s been shown to enable ketchup to slide easily out of the bottle. His latest findings, published in the journal Nature, demonstrate how another fabricated material featuring this added wrinkle may indeed be the most water-resistant stuff on earth.
 Here is an explanation on how this novel material works.