Acloakingdeviceisahypotheticalorfictitiousstealthtechnologythatmaymakeobjects,suchasspacecraftorpeople,partiallyorcompletelyinvisibletocertainareasoftheelectromagneticspectrum.
However,acloakedobjectscattersmorethananuncloakedobjectacrossthefullspectrum.
Formanyyears,fictionalcloakingtechnologieshavebeenemployedasplotdevicesinnumeros media.
Realworld cloakingsystemscandisguisethingsfromatleastonewavelengthofEMwaves,accordingtoscientificstudies.
Tobendlightaroundanobject,scientistsalreadyemploymetamaterials,whichareartificialmaterial.