John Pendry

Has science finally cracked the secret to invisibility?

Alok Jha, Professor Sir John Pendry, John Pendry

Physics professor John Pendry introduced metamaterials as geometrically engineered structures capable of manipulating light paths to achieve the effects described in his "invisibility cloak" concept. This theoretical framework, initially named by Pendry's wife to aid a 2005 DARPA presentation, faced early skepticism before David Smith's team at Duke University successfully constructed a functional prototype for radar waves. The field has since evolved from resolving debates over negative refraction to experimental recreations of conditions existing near black holes.