my country’s stealth metamaterial technology has reached the international leading level

Metamaterials refer to a type of composite materials that have artificially designed structures and exhibit extraordinary physical properties that natural materials do not have. Typical metamaterials that have come out so far mainly include left-handed materials, photonic crystals, supermagnetic materials, metallic water, etc. Metamaterials are a type of material that integrates semiconductor science, optoelectronics, classical…