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Search results for wave engineering

Optics & Photonics Oct 13, 2021

How to force photons to never bounce back

Topological insulators are materials whose structure forces photons and electrons to move only along the material's boundary and only in one direction. These particles experience little resistance and travel freely past obstacles ...

Soft Matter Oct 7, 2021

Riding the waves keeps ducks in a row

The sight of ducklings paddling in a line behind their mother is a common sight in rivers and ponds across the country.

Quantum Âé¶¹ÒùÔºics Sep 30, 2021

Optically generated quantum fluids of light reveal exotic matter-wave states in condensed matter physics

Researchers from Skoltech and the University of Southampton, U.K., have used all-optical methods to create an artificial lattice whose nodes house polaritons—quasiparticles that are half-light and half-matter excitations ...

Optics & Photonics Sep 29, 2021

Making waves: A contactless way to detect damage in transparent materials

Transparent materials have become an essential component in a wide variety of technological applications, ranging from everyday electronics like tablets and smartphones to more sophisticated uses in solar panels, medicine, ...

Nanomaterials Sep 22, 2021

Team creates micro-robots propelled by air bubbles and ultrasound

Some engineers find inspiration in the mechanics of bird flight and the architecture of bee nests. Others think much smaller.

Plasma Âé¶¹ÒùÔºics Sep 9, 2021

Unprecedented plasma lensing for high-intensity lasers

High-power laser pulses focused to small spots to reach incredible intensities enable a variety of applications, ranging from scientific research to industry and medicine. At the Berkeley Lab Laser Accelerator (BELLA) Center, ...

Optics & Photonics Aug 31, 2021

Âé¶¹ÒùÔºicists mix classical light with half a photon on a qubit

A Russian-U.K. research team has proposed a theoretical description for the new effect of quantum wave mixing involving classical and nonclassical states of microwave radiation. This effect, which previously lacked a rigorous ...

Environment Aug 24, 2021

Research shows scale models effective for predicting storm damage to wood-frame buildings

A pair of scale model structures subjected to simulated storm conditions in an Oregon State University lab responded like real wood-frame homes during recent hurricanes, suggesting model buildings can yield important design ...

Optics & Photonics Aug 10, 2021

Metamaterials research challenges fundamental limits in photonics

Cornell researchers are proposing a new way to modulate both the absorptive and the refractive qualities of metamaterials in real time, and their findings open intriguing new opportunities to control, in time and space, the ...

Environment Aug 4, 2021

Protecting Port Fourchon: Scientists pinpoint how to manage sediment to prevent land loss and improve hurricane prepared

The southernmost port in Louisiana is a key place for the U.S. energy industry, but also one of the most vulnerable places in the nation. Port Fourchon in Lafourche Parish serves 90% of the Gulf of Mexico's deepwater oil ...

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