Search results for resonating chamber

Social Sciences Apr 29, 2021

Study finds US Twitter users have strongly supported face coverings amid the pandemic

An analysis of Twitter activity between March 1 and Aug. 1, 2020, found strong support by U.S. users for wearing face coverings and that a media focus on anti-mask opinions fueled the rhetoric of those opposed, report University ...

General Physics Apr 20, 2021

Holographic metasurface gas sensors for instantaneous visual alarms

Biological and chemical substances can be rapidly detected in real-time for public health and environmental monitoring purposes. In a new report now on Science Advances, Inki Kim and a research team in mechanical engineering, ...

Social Sciences Mar 29, 2021

Fighting online extremism: Polarization in social media and how to improve the public conversation

When he was 11, Chris Bail and his family moved from the Boston suburbs to the French Congo, a turbulent African nation whose fragile peace was routinely upended by three warring military factions.

Analytical Chemistry Mar 22, 2021

Microscope that detects individual viruses could power rapid diagnostics

A fast, low-cost technique to see and count viruses or proteins from a sample in real time, without any chemicals or dyes, could underpin a new class of devices for rapid diagnostics and viral load monitoring, including HIV ...

General Physics Feb 1, 2021

Ultralow magnetic damping of a common metallic ferromagnetic film

Ultralow damping is of key importance for spintronic and spin-orbitronic applications in a range of magnetic materials. However, the number of materials that are suited for charge-based spintronic and spin-orbitronic applications ...

General Physics Jan 27, 2021

Size of helium nucleus measured more precisely than ever before

In experiments at the Paul Scherrer Institute PSI, an international research collaboration has measured the radius of the atomic nucleus of helium five times more precisely than ever before. With the aid of the new value, ...

Optics & Photonics Dec 11, 2020

A common type of oscillating motion surprisingly mimics the wave behavior of light

An unexpected mathematical connection between a special kind of mechanical motion and the behavior of light has been uncovered by three RIKEN physicists1. This strange link could help physicists to design future particle ...

Optics & Photonics Sep 14, 2020

First fiber-optic nanotip electron gun enables easier nanoscale research

Scientists at the Department of Energy's Oak Ridge National Laboratory and the University of Nebraska have developed an easier way to generate electrons for nanoscale imaging and sensing, providing a useful new tool for material ...

Nanophysics Aug 18, 2020

Scientists slow and steer light with resonant nanoantennas

Light is notoriously fast. Its speed is crucial for rapid information exchange, but as light zips through materials, its chances of interacting and exciting atoms and molecules can become very small. If scientists can put ...

Nanomaterials Jul 30, 2020

Researchers synthesize nanoparticles tailored for special applications

Whether in innovative high-tech materials, more powerful computer chips, pharmaceuticals or in the field of renewable energies, nanoparticles form the basis for a whole range of new technological developments. Due to the ...

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