Search results for invisibility cloaks

Biochemistry Sep 14, 2022

Engineering an enzyme against antibiotic-resistant anthrax

In the 2001 "Amerithrax" attacks, anthrax-causing spores were sent through the mail to media outlets and members of Congress, sickening at least 22 people and killing five. Antibiotic-resistant strains of the bacteria are ...

Optics & Photonics Sep 13, 2022

Smooth, versatile on-chip light manipulation is now possible with supersymmetry

Transformation optics has formulated a versatile framework to mold the flow of light and tailor its spatial characteristics at will. The coordinate transformation often yields extreme material parameters unfeasible even with ...

Molecular & Computational biology Aug 4, 2022

Bacterial membrane transporter helps pathogens to hide from immune system

The transport of substances across the membrane into the cell is linked to specific membrane transport proteins. Researchers at the University Hospital Bonn (UKB) and the University of Bonn, in collaboration with an international ...

Soft Matter Jul 28, 2022

Acoustics researchers develop novel underwater carpet cloak

Acoustic camouflage, realized by controlling wave propagation, has attracted much attention in recent years. Aided by a reflecting surface, acoustic carpet cloak has become one of the most practically feasible invisibility ...

Astronomy Jul 13, 2022

Webb Telescope: What will scientists learn?

The James Webb Space Telescope's first images aren't just breathtaking—they contain a wealth of scientific insights and clues that researchers are eager to pursue.

Astronomy Jul 11, 2022

Radio- and microwaves reveal true nature of dark galaxies in the early universe

Using multiple radio telescopes across the world, a team of astronomers from the Cosmic Dawn Center, Copenhagen, have discovered several galaxies in the early universe that, due to massive amounts of dust, were hidden from ...

Ecology Jun 28, 2022

Life in the abyss, a spectacular and fragile struggle for survival

Cloaked in darkness and mystery, the creatures of the deep oceans exist in a world of unlikely profusion, surviving on scant food and under pressure that would crush human lungs.

Optics & Photonics May 31, 2022

Transparency on demand: A novel process can render artificial materials transparent or even entirely invisible

Space, the final frontier. The starship Enterprise pursues its mission to explore the galaxy, when all communication channels are suddenly cut off by an impenetrable nebula. In many episodes of the iconic TV series, the valiant ...

Optics & Photonics May 3, 2022

Metamaterial significantly enhances chiral nanoparticle signals

The left hand looks like the right hand in the mirror but the left-handed glove does not fit on the right hand. Chirality refers to this property where the object cannot be superimposed on to the mirror image. This property ...

Optics & Photonics May 2, 2022

A new strategy for active metasurface design provides a full 360 degree phase tunable metasurface

An international team of researchers led by Professor Min Seok Jang of KAIST and Professor Victor W. Brar of the University of Wisconsin-Madison has demonstrated a widely applicable methodology enabling a full 360° active ...

page 2 from 38