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Search results for metamaterials

Nanophysics Jun 10, 2021

Novel liquid crystal metalens offers electric zoom

Researchers from Cornell University's School of Applied and Engineering Âé¶¹ÒùÔºics and Samsung's Advanced Institute of Technology have created a first-of-its-kind metalens—a metamaterial lens—that can be focused using voltage ...

Nanomaterials Jun 10, 2021

Researchers have turned transparent calcite into artificial gold

In a breakthrough in metamaterials, for the first time in the world, researchers at Tel Aviv University have developed an innovative nanotechnology that transforms a transparent calcite nanoparticle into a sparkling gold-like ...

General Âé¶¹ÒùÔºics Jun 10, 2021

Novel materials: Sound waves traveling backward

Acoustic waves in gases, liquids, and solids usually travel at an almost constant speed of sound. So-called rotons are an exception: their speed of sound changes significantly with the wavelength, and it is also possible ...

Nanophysics Jun 2, 2021

Hexagonal boron nitride's remarkable toughness unmasked

It's official: Hexagonal boron nitride (h-BN) is the iron man of 2D materials, so resistant to cracking that it defies a century-old theoretical description engineers still use to measure toughness.

Nanomaterials Jun 1, 2021

Self-aware materials build the foundation for living structures

From the biggest bridges to the smallest medical implants, sensors are everywhere, and for good reason: The ability to sense and monitor changes before they become problems can be both cost-saving and life-saving.

Nanomaterials Jun 1, 2021

Metamaterial improves sensitivity of infrared absorption spectroscopy 100 times

A local research team, comprised of members of the Korea Institute of Machinery and Materials(KIMM) under the Ministry of Science and ICT and UNIST, developed a metamaterial absorber that significantly enhances the detection ...

General Âé¶¹ÒùÔºics Jun 1, 2021

Light-shrinking material lets ordinary microscope see in super resolution

Electrical engineers at the University of California San Diego developed a technology that improves the resolution of an ordinary light microscope so that it can be used to directly observe finer structures and details in ...

Nanophysics May 28, 2021

Breakthrough in 3D magnetic nanostructures could transform modern-day computing

Scientists have taken a step towards the creation of powerful devices that harness magnetic charge by creating the first ever three-dimensional replica of a material known as a spin-ice.

General Âé¶¹ÒùÔºics May 27, 2021

Spacetime crystals proposed by placing space and time on an equal footing

A Penn State scientist studying crystal structures has developed a new mathematical formula that may solve a decades-old problem in understanding spacetime, the fabric of the universe proposed in Einstein's theories of relativity.

Materials Science May 25, 2021

Metamaterials offer multifunctional materials for engineering

In recent years, the popularity of metamaterials has increased significantly. These materials are not found in nature or made using chemical reactions, but are designed geometrically in the physics lab. Metamaterials can ...

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