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General Âé¶¹ÒùÔºics Nov 19, 2020

Topological mechanical metamaterials go beyond Newton's third law

A change in perspective can work wonders. This has been especially true with respect to the paradigms for explaining material properties using the concept of topology, "ideas that are currently revolutionizing condensed matter ...

Materials Science Nov 18, 2020

Versatile building blocks make structures with surprising mechanical properties

Researchers at MIT's Center for Bits and Atoms have created tiny building blocks that exhibit a variety of unique mechanical properties, such as the ability to produce a twisting motion when squeezed. These subunits could ...

Optics & Photonics Nov 11, 2020

Researchers demonstrate attosecond boost for electron microscopy

A team of physicists from the University of Konstanz and Ludwig-Maximilians-Universität München in Germany have achieved attosecond time resolution in a transmission electron microscope by combining it with a continuous-wave ...

Condensed Matter Nov 10, 2020

Bioinspired metagel with broadband tunable impedance matching

Impedance matching is a concept that can maximize energy transmission from a source through a media, and is established across electrical, acoustic and optical engineering. It is frequently necessary to match a load impedance ...

Optics & Photonics Nov 6, 2020

Investigating optical activity under an external magnetic field

Optical activity in chiral molecules has become a hot topic in physics and optics, representing the ability to manipulate the polarized state of light. Understanding how molecules rotate the plane of plane-polarized light ...

Materials Science Oct 22, 2020

Researchers develop new molecular ferroelectric metamaterials

A University at Buffalo-led research team has reported a new 3-D-printed molecular ferroelectric metamaterial.

Nanomaterials Oct 19, 2020

Creating perfect edges in 2-D-materials

Ultrathin materials such as graphene promise a revolution in nanoscience and technology. Researchers at Chalmers University of Technology, Sweden, have published a study in Nature Communications in which they present a method ...

General Âé¶¹ÒùÔºics Sep 30, 2020

Achieving invisibility: Cross-wavelength invisibility integrated with invisibility tactics

Invisibility is a superior self-protection strategy of long-standing interest in academia and industry, although the concept is thus far most popularly encountered in science fiction. In a new report on Science Advances, ...

General Âé¶¹ÒùÔºics Sep 28, 2020

Plasmonic enhancement of stability and brightness in organic light-emitting devices

Scientists investigate free electrons and the resonant interactions of electromagnetic waves in the field of plasmonics. However, the discipline still remains to be extended to large-scale commercial applications due to the ...

Nanophysics Sep 22, 2020

Hyperbolic metamaterials exhibit physics with two spatial and two temporal dimensions

Metamaterials—nanoengineered structures designed for precise control and manipulation of electromagnetic waves—have enabled such innovations as invisibility cloaks and super-resolution microscopes. Using transformation ...

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