International team of physicists confirms surprisingly small proton radius with laser spectroscopy of exotic hydrogen. The initial results puzzled the world three years ago: the size of the proton (to be precise, its charge ...
General Physics
Jan 24, 2013
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Researchers drew attention three years ago when they reported that a two-dimensional perovskite—a material with a specific crystal structure—composed of cesium, lead and bromine emitted a strong green light. Crystals ...
Condensed Matter
Jun 24, 2019
0
0
A tiny optical device built into a silicon chip has achieved the slowest light propagation on a chip to date, reducing the speed of light by a factor of 1,200 in a study reported in Nature Photonics (published online September ...
Optics & Photonics
Sep 5, 2010
1
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As new infectious diseases emerge and spread, one of the best shots against novel pathogens is finding new medicines or vaccines. But before drugs can be used as potential cures, they have to be painstakingly screened for ...
Analytical Chemistry
Aug 28, 2020
0
89
At the interface between chemistry and physics, the process of crystallization is omnipresent in nature and industry. It is the basis for the formation of snowflakes but also of certain active ingredients used in pharmacology. ...
Materials Science
Apr 21, 2022
0
171
Calculations are fine, but seeing is believing. That's the thought behind a new paper by Rice University students who decided to put to the test calculations made more than a century ago.
Nanophysics
Mar 13, 2010
5
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Getting results from a blood test can take anywhere from one day to a week, depending on what a test is targeting. The same goes for tests of water pollution and food contamination. And in most cases, the wait time has to ...
Biotechnology
Aug 25, 2023
0
102
Almost 200 years ago, Bavarian physicist Joseph von Fraunhofer discovered dark lines in the sun's spectrum. It was later discovered that these spectral lines can be used to infer the chemical composition and temperature of ...
Quantum Physics
Jul 8, 2013
1
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(Phys.org) —For astrophysicists, the interplay of hydrogen—the most common molecule in the universe—and the vast clouds of dust that fill the voids of interstellar space has been an intractable puzzle of stellar evolution.
Astronomy
Sep 26, 2013
28
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Carbon nanotubes, one of the original engineered nanomaterials, also may prove to be among the most versatile, as numerous teams of investigators continue to develop novel nanotube-based therapeutic and diagnostic tools. ...
Bio & Medicine
Jun 30, 2009
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