NIST’s copper resonator boosts atomic radio receiver sensitivity, using Rydberg atoms to detect weak signals,…
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.
Intelligent metasurfaces, integrating AI and deep learning, can autonomously control electromagnetic waves. The manipulation of…
Zero-index metamaterials offer new insights into the foundations of quantum mechanics. In physics, as in…
NASA’s research on deployable structures for artificial gravity could revolutionize long-duration space missions and advance…
Technology could make it possible to use radio emissions from cell phone networks to wirelessly…
A new elasto-magnetic material can absorb and release large energy amounts, inspired by nature and…
New approach expands the application of powerful, ultrafast laser pulses. Harvard SEAS’s breakthrough silicon coating…
A recent study proposes using Molybdenum Trioxide instead of traditional metamaterials to develop optical devices…
Newly proven physics opens chalcogenide glasses to applications at visible and ultraviolet wavelengths. Electrical engineers…
Scientists created transverse sound waves with light-like properties using micropolar metamaterials, revealing spin-orbit interactions that…
By trapping light into tiny crevices of gold, researchers have coaxed molecules to convert invisible…
Origami- and kirigami-based metamaterials have applications from robotics to medical devices. The ancient arts of…
Advance incorporates sensing directly into an object’s material, with applications for assistive technology and “intelligent”…
Researchers developed a chip-scale nanophotonic processor that solves partial differential equations using light, offering fast,…
Reconfigurable materials can do amazing things. Flat sheets transform into a face. An extruded cube…
Enormous potential range of applications. MIT engineers and colleagues report important new advances on a…
Kirigami-based 3D metamaterials can be folded and reconfigured to change their mechanical behavior, offering versatile…
A new metamaterial can be reprogrammed after creation, changing its stiffness via magnetic fields. This…