Researchers at the Public University of Navarre (NUP/UPNA) and the Universitat Politècnica de València (UPV) have come up with a new invisibility cloak capable of concealing objects in diffusive atmospheres, not just in permanent light, made possible by the cloaks developed so far, but also in any kind of light. Their work, which establishes the bases to render undetectable, for example, a plane in the fog or a submarine in the sea.