Many people wear masks in public to slow the spread of COVID-19, as recommended by the Centers for Disease Control and Prevention (CDC). However, masks with exhalation valves do not slow the spread of the disease, and now, ...
Soft Matter
Nov 10, 2020
3
1909
Scientists in Australia have stumbled across an unusual way to observe color that had previously gone unnoticed.
Optics & Photonics
Oct 15, 2020
1
3218
Like a comic book come to life, researchers at Stanford University have developed a kind of X-ray vision—only without the X-rays. Working with hardware similar to what enables autonomous cars to "see" the world around them, ...
Optics & Photonics
Sep 9, 2020
1
486
Antimony sulfide, or stibnite (Sb2S3), has been investigated intensively in recent years as a promising material for nontoxic, environmentally friendly solar cells. It is now possible to fabricate thin photovoltaic films ...
Optics & Photonics
Aug 26, 2020
2
12
Light-by-light scattering is a rare phenomenon in which two photons—particles of light—interact, producing another pair of photons. Direct observation of this process at high energy had proven elusive for decades, until ...
General Physics
Jun 19, 2020
0
44
For decades, scientists studying the muon have been puzzled by a strange pattern in the way muons rotate in magnetic fields, one that left physicists wondering if it can be explained by the Standard Model—the best tool ...
General Physics
Jun 12, 2020
6
3211
Two decades ago, an experiment at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory pinpointed a mysterious mismatch between established particle physics theory and actual lab measurements. When researchers ...
General Physics
May 5, 2020
8
480
A team of researchers from Germany, the Netherlands and Italy has developed a way to use scattered light to map nerve fiber pathway crossing points in the brain. In their paper published in the journal Physical Review Letters, ...
Speckle autocorrelation imaging is a new emergent imaging technique through scattering media, with its main advantages in simple experimental setup, single-shot fast detection and non-invasion. The prerequisite of speckle ...
Optics & Photonics
Mar 2, 2020
0
18
In the field of superconductivity—the ability of a material to conduct electricity with virtually zero resistance—the so-called high-temperature superconductors (HTSCs) are possible candidates for a new generation of ...
Condensed Matter
Oct 30, 2019
0
192
