NASA’s been studying the way bugs splatter for years. Those gooey speckles of black and red might be gross to you, but to aerospace engineers, they’re a riddle that’s plagued the industry for decades. Yes, bug guts.
Ever notice a dirty lotus leaf? How about a wet one? Of course you haven't. Lotus leaves are so hydrophobic that they can be dry in a rainstorm, while still using the rainstorm to clean themselves off. Now nanotechnology developers are trying to mimic the Lotus Effect.