Acloakingdeviceisahypotheticalorfictitiousstealthtechnologythatmaymakeobjects,suchasspacecraftorpeople,partiallyorcompletelyinvisibletocertainareasoftheelectromagneticspectrum.

However,acloakedobjectscattersmorethananuncloakedobjectacrossthefullspectrum.

Formanyyears,fictionalcloakingtechnologieshavebeenemployedasplotdevicesinnumeros media.

Realworld cloakingsystemscandisguisethingsfromatleastonewavelengthofEMwaves,accordingtoscientificstudies.

Tobendlightaroundanobject,scientistsalreadyemploymetamaterials,whichareartificialmaterial.