The intelligent metasurface, AI-empowered artificial material, is a smart platform enabling various functions such as data mining, communication, energy harvest, and sensing by directly processing…
Posts published in “Metamaterials”
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In Einstein’s Footsteps and Beyond: New Insights Into the Foundations of Quantum Mechanics
An illustration of a near-zero index metamaterial shows that when light travels through, it moves in a constant phase. Credit: Second Bay Studios/Harvard SEAS Zero-index…
Harvesting Energy From the Air: Metasurface-Based Antenna Turns Ambient Radio Waves Into Electric Power
Technology could make it possible to use radio emissions from cell phone networks to wirelessly power sensors and LEDs. Researchers have developed a new metasurface-based…
Surprising New Material Invented That Can Absorb and Release Massive Amounts of Energy
The elastic material with embedded magnets whose poles are color-coded red and blue. Orienting the magnets in different directions changes the metamaterial’s response. Credit: Courtesy…
Simple Silicon Coating Solves Long-Standing Optical Challenge for Powerful, Ultrafast Laser Pulses
New approach expands the application of powerful, ultrafast laser pulses. Quick bursts of laser light, lasting less than a trillionth of a second, are used…
“Invisibility Cloaks” May Soon Be Real: Creating Invisibility With Superconducting Materials
H z component diagram when the point source is placed at r = R1 (a) in vacuum and (b) a-MoO3 invisibility concentrator and r =…
Newly Proven Physics: Smuggling Light Through Opaque Materials
A metasurface made of arsenic trisulfide nanowires (yellow) transmit an incoming near-infrared frequency (red) as well as its third harmonic ultraviolet frequency (violet), which would…
Physicists Discover a Remarkable New Type of Sound Wave
Sound vortex generation enabled by the spin-orbit interaction in real space. Credit: Wang, S., Zhang, G., Wang, X. et al. / DOI number: 10.1038/s41467-021-26375-9 Can…
Color-Changing Magnifying Glass Gives Clear View of Invisible Infrared Light
Detecting light beyond the visible red range of our eyes is hard to do, because infrared light carries so little energy compared to ambient heat…
Ancient Arts of Origami and Kirigami Inspire Mechanical Metamaterials
Origami- and kirigami-based metamaterials have applications from robotics to medical devices. The ancient arts of origami, the art of paper-folding, and kirigami, the art of…
Transforming Circles Into Squares: Researchers Reconfigure Material Topology on the Microscale
Researchers encoded patterns and designs into the material by making tiny, invisible tweaks to the geometry of the triangular lattice. Credit: Image courtesy of Shucong…
MIT’s New Tunable “Metasurface” is Akin to Optical Swiss Army Knife
Close-up of the new MIT metasurface, or flat optical device patterned with some 100,000 nanoscale structures, that is integrated on a silicon chip and can…
3D Kirigami Building Blocks Designed To Make Dynamic Metamaterial Structures
In a proof of concept, researchers created more than a dozen reconfigurable building blocks. Each block consisted of eight connected paper cubes and could be…
New Metamaterial Features Mechanical Properties That Can Be Reprogrammed
Over the past 20 years, scientists have been developing metamaterials, or materials that don’t occur naturally and whose mechanical properties result from their designed structure…
New Physics Breakthrough in Field of Topological Matter
The new metamaterial designed by the researchers. Credit: Coulais et al. Sometimes, the inside of a material can determine what happens on the outside. A…
New 3D-Printed Lattice Designs Are Ultra-Lightweight and Ultra-Stiff, Despite Breaking the Rules
Scanning electron microscopy images of a classic octet lattice and topologically optimized, isotropic oblate and quasi-spherical octahedral lattice built with a projection micro-stereolithography 3D-printing technique.…