Âé¶¹ÒùÔº

Search results for metamaterial

Optics & Photonics Jun 15, 2021

Bending light for safer driving; invisibility cloaks to come?

Optical cloaking allows objects to be hidden in plain sight or to become invisible by guiding light around anything placed inside the cloak. While cloaking has been popularized in fiction, like in the "Harry Potter" books, ...

Optics & Photonics Jun 14, 2021

Near-field routing of hyperbolic metamaterials

Near-field light is invisible light at the subwavelength scale. Harnessed for a variety of practical applications, such as wireless power transfer, near-field light has an increasingly significant role in the development ...

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.

page 26 from 40