Metamaterials are proving to be quite useful for toying with the electromagnetic spectrum, whether for technology previously thought to be the stuff of science fiction, or for boring real-world applications.
For those not in the know, the "Fancy Nancy" series of storybooks are about a little girl who likes to say "bonjour" instead of "hi, " is obsessed with extreme dress-up, and attempts to bedazzle the boring, plain world around her in a way that would make even Elton John go, 'Phh ... tacky.