This is a video of a knife with a superhydrophobic coating cutting a water droplet in half. Wow, that water wants nothing to do with the coating on the knife. Obviously, it makes the perfect knife for when you're on some new extreme fad diet and can only eat half a drop of something. *sniff sniff* Can you smell that? "It smells metallic." It's a late-night infomercial goldmine!
Keep going for the full video.
Thanks to Zipter, who was *this close* to being what zippers are called.