A Look Back on the Discovery of Metamaterials

In 15 years metamaterials has brought breakthroughs like invisibility cloaks, acoustic cloaks, miniaturized flat antennas, and you-don’t-have-to-stop-anymore airport security screenings. Sir John Pendry of Imperial College London recently visited co-founder of the field David R. Smith at Duke University to see how his students are continuing their work and to discuss the birth, evolution and future of this novel class of materials.
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Marconi and Franklin discovered metamaterials in 1919. US Patent 1301473. See Fig 11.