MRI scans often have difficulty producing clear images of deep or delicate tissues. Researchers at…
Browsing: Metamaterials
Metamaterials are engineered materials designed to possess properties not found in naturally occurring materials, achieved through their unique structure rather than their composition. These materials are fabricated with precisely arranged patterns at microscopic or smaller scales to interact with electromagnetic waves, sound, and other physical phenomena in unconventional ways. The ability to control wave propagation through structural design enables metamaterials to exhibit negative refractive index, perfect absorption of light or sound, and cloaking effects. Applications of metamaterials are vast and diverse, ranging from creating advanced optics and improving acoustic devices to enhancing the effectiveness of antennas and contributing to the development of stealth technology. Their potential continues to expand as researchers discover new ways to manipulate physical laws through structural innovation.
A tiny metasurface chip can turn invisible infrared light into steerable visible beams, opening the…
A new metasurface lets scientists flip between ultra-stable light vortices, paving the way for tougher,…
Researchers have created gyromorphs, a new material that controls light more effectively than any structure…
A research team has discovered how to finely control Dirac plasmon polaritons in topological insulator…
Engineers created multi-layer metalenses that focus several wavelengths. The design could revolutionize portable optical devices.…
Harvard engineers have built a chip-thin metasurface that replaces entire quantum optical setups. New research…
Imagine a chip so thin it looks like nothing—until you shine twisted light on it.…
Scientists have broken a fundamental limit in optics by decoupling angle and wavelength using innovative…
This material can expand, change shape, move, and respond to electromagnetic commands like a remotely…
A team of international researchers has developed a groundbreaking class of mechanical metamaterials capable of…
Tiny magnetic “flowers” engineered by physicist Anna Palau are redefining how we manipulate magnetic fields.…
Inspired by the humble deep-sea sponge, RMIT University engineers have developed a new material with…
Quantum computing has long struggled with creating entangled photons efficiently, but a team of researchers…
Researchers have made a breakthrough in THz frequency conversion using graphene, opening new possibilities for…
Scientists have found a way to achieve negative refraction—where light bends the “wrong” way—using carefully…
Researchers from SANKEN (The Institute of Scientific and Industrial Research) at Osaka University have discovered…
Researchers have developed a revolutionary ultra-thin metasurface that can generate circularly polarized light with remarkable…