Among all of the sci-fi tech we see in movies -- space and time travel, shrink rays, weaponized lasers -- the invisibility cloak always seemed like the one piece of sci-fi technology that researchers could never create. Oddly, though, in recent times it has been thrust into the forefront of in-development science fiction technology. Now, researchers at the University of Central Florida have managed to create a large-scale cloak that masks the spectrum of visible light.