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Analytical Chemistry Sep 21, 2018

Mobile device could make it easier to predict and control harmful algal blooms

In the past 10 years, harmful algal blooms—sudden increases in the population of algae, typically in coastal regions and freshwater systems—have become a more serious problem for marine life throughout the U.S. The blooms ...

Quantum Physics Jul 25, 2018

Holographic image of a black hole proposed in a graphene flake

Physicists have theoretically shown that, by applying a magnetic field to a small, irregularly shaped graphene flake, the flake becomes a quantum hologram of a black hole. This means that the graphene flake recreates the ...

Materials Science Jun 27, 2018

Tricky feat with stand-up molecule

In recent decades, researchers have been able to produce structures from single atoms. One of the first examples was presented by D. M. Eigler and E. K. Schweizer in 1990 in Nature, a tiny IBM logo formed from just a few ...

General Physics May 9, 2018

How to understand one of Stephen Hawking's final papers – according to an expert

The late physicist Stephen Hawking made a huge contribution to cosmology during his lifetime, but he didn't quite manage to resolve all the mysteries of the universe. Now one of the last papers he ever worked on has been ...

General Physics May 3, 2018

'I opened a bottle with Stephen Hawking to celebrate our eureka moment' – Prof. Thomas Hertog

A theory developed with the late Professor Stephen Hawking stating that the universe is more simple and uniform than current models suggest was so shocking that it had to be sat on for a while before it was released to the ...

Optics & Photonics May 1, 2018

Metal-free metamaterial can be swiftly tuned to create changing electromagnetic effects

Researchers at Duke University have built the first metal-free, dynamically tunable metamaterial for controlling electromagnetic waves. The approach could form the basis for technologies ranging from improved security scanners ...

Nanophysics Apr 19, 2018

Peptide induces chirality evolution in a single gold nanoparticle

For the first time, scientists have successfully created optically active, chiral gold nanoparticles using amino acids and peptides. Many chemicals significant to life have mirror-image twins (left-handed and right-handed ...

General Physics Apr 5, 2018

Oldest magnetic record in the solar system discovered in a meteorite

Researchers have found that an iron-containing mineral called dusty olivine, present in meteorites, retains a record of the magnetic field from the early solar system around 4.6 billion years ago. The results are surprising, ...

General Physics Jan 22, 2018

Nanoparticle gel controls twisted light with magnetism

"Help me, Obi Wan Kenobi. You're my only hope." For many of those around at the release of Star Wars in 1977, that scene was a first introduction to holograms—a real technology that had been around for roughly 15 years.

Optics & Photonics Nov 27, 2017

Ultrathin and flat graphene metalenses gain more properties

On the quest for miniaturization, scientists at the Center for Integrated Nanostructure Physics, within the Institute for Basic Science (IBS, South Korea), in collaboration with researchers from the University of Birmingham ...

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