SIAP, I did a search and did not find anything on this.
A cloaking paint developed by Michigan Engineers sprays on clear and dries invisible. Once dry, it guides light around an object, causing it to become transparent.
As nanotechnology blurs the line between science and science fiction, Christoph Ellison has developed a paint that guides rays of light around an object. Still in development, the distortions allow the outline of the object to be seen, preventing true invisibility.
Could explain Channing Stribling's "fade out" plays? /s