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Physics news
BASE opens up new possibilities in the search for cold dark matter
The Baryon Antibaryon Symmetry Experiment (BASE) at CERN's Antimatter Factory has set new limits on the existence of axion-like particles, and how easily those in a narrow mass range around 2.97 neV could turn into photons, ...
General Physics
5 hours ago
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Mathematical model verifies a correct understanding of epidemic's severity
A research team led by City University of Hong Kong (CityU) has built a mathematical model to explore and analyze the relationship between disease transmission, people's awareness about the disease and their resulting behaviors, ...
General Physics
6 hours ago
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19
How heavy is dark matter? Scientists radically narrow the potential mass range for the first time
Scientists have calculated the mass range for Dark Matter—and it's tighter than the science world thought.
General Physics
3 hours ago
4
107
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, ...
General Physics
3 hours ago
0
14
A new way to measure record-setting electron beams
Physicists at the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) are figuring out new ways to accelerate electrons to record-high energies over record-short distances with a technique that ...
Optics & Photonics
5 hours ago
0
12
Expert in fluid dynamics explains how to reduce the risk of COVID-19 airborne transmission inside a car
Varghese Mathai is a physicist at the University of Massachusetts Amherst who studies the flow of fluids and gases. He conducted a study using computational fluid dynamics simulations to understand how air flows inside a ...
General Physics
4 hours ago
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3
A vacuum-ultraviolet laser with submicrometer spot for spatially resolved photoemission spectroscopy
If vacuum ultraviolet lasers can be focused into a small beam spot, it will allow investigation of mesoscopic materials and structures and enable the manufacture of nano-objects with excellent precision. Towards this goal, ...
Optics & Photonics
3 hours ago
0
4
Compelling evidence of neutrino process opens physics possibilities
The COHERENT particle physics experiment at the Department of Energy's Oak Ridge National Laboratory has firmly established the existence of a new kind of neutrino interaction. Because neutrinos are electrically neutral and ...
General Physics
23 hours ago
4
115
Metamaterial tiles boost sensitivity of large telescopes
A multi-institutional group of researchers has developed new metamaterial tiles that will help improve the sensitivity of telescopes being built at the preeminent Simons Observatory in Chile. The tiles have been incorporated ...
Optics & Photonics
23 hours ago
0
138
A benchmark for single-electron circuits
Manipulating individual electrons with the goal of employing quantum effects offers new possibilities and greater precision in electronics. However, these single-electron circuits are governed by the laws of quantum mechanics, ...
Quantum Physics
23 hours ago
0
66
Air purifiers may do more harm than good in confined spaces with airborne viruses
The positions of air inlets and outlets in confined spaces, such as elevators, greatly affect airborne virus transmission. In Physics of Fluids, researchers from University of Nicosia in Cyprus show while air purifiers would ...
Soft Matter
Jan 26, 2021
3
341
Supercomputers aid scientists studying the smallest particles in the universe
Since the 1930s, scientists have been using particle accelerators to gain insights into the structure of matter and the laws of physics that govern our world. These accelerators are some of the most powerful experimental ...
General Physics
Jan 26, 2021
2
43
Discovery makes the invisible visible
Australian scientists have discovered a new way to analyze microscopic cells, tissues and other transparent specimens, through the improvement of an almost 100-year-old imaging technique.
Optics & Photonics
Jan 26, 2021
0
422
Nuclear physicist's voyage toward a mythical island
Theories were introduced as far back as the 1960s about the possible existence of superheavy elements. Their most long-lived nuclei could give rise to a so-called "island of stability" far beyond the element uranium. However, ...
General Physics
Jan 26, 2021
0
1217
First direct band gap measurements of wide-gap hydrogen using inelastic X-ray scattering
Utilizing a newly developed state-of-the-art synchrotron technique, a group of scientists led by Dr. Ho-kwang Mao, Director of HPSTAR, conducted the first-ever high-pressure study of the electronic band and gap information ...
General Physics
Jan 26, 2021
0
122
Physicists use 'hyperchaos' to model complex quantum systems at a fraction of the computing power
Physicists have discovered a potentially game-changing feature of quantum bit behavior which would allow scientists to simulate complex quantum systems without the need for enormous computing power.
Quantum Physics
Jan 26, 2021
0
363
To find the right network model, compare all possible histories
Two family members test positive for COVID-19—how do we know who infected whom? In a perfect world, network science could provide a probable answer to such questions. It could also tell archeologists how a shard of Greek ...
General Physics
Jan 26, 2021
0
12
Physicists discover new physical effect
Scientists have found that a perpendicular magnetic field makes electrically neutral quasiparticles (excitons) in semiconductors behave like electrons in the Hall effect. This discovery will help researchers to study the ...
General Physics
Jan 26, 2021
0
85
Engineers test LiDAR system intended for space missions
Two images of the same front steps: one taken with a camera and the other with a flash imaging LiDAR, the laser equivalent of radar, under development for future space missions.
Optics & Photonics
Jan 26, 2021
0
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Long-distance and secure quantum key distribution (QKD) over a free-space channel
Quantum key distribution (QKD) is a technique that enables secure communications between devices using a cryptographic protocol that is partly based on quantum mechanics. This communication method ultimately allows two parties ...
More news
A new class of superconductors
How complex oscillations in a quantum system simplify with time
Better bundled: New principle for generating X-rays
Adding or subtracting single quanta of sound
Optimal information about the invisible
Spreading focus for better imaging
Autofocusing of microscopy images using deep learning
New blueprint for more stable quantum computers
The mystery of pointy oil droplets
Search for axions from nearby star Betelgeuse comes up empty
Other news
Cell death shines a light on the origins of complex life
Geological phenomenon widening the Atlantic Ocean
Empty seas: Oceanic shark populations dropped 71% since 1970
How metal atoms can arrange themselves on an insulator
Studies provide answers about promising 2-D materials
How climate caprices can trigger plants
Well connected through amides
OSIRIS-REx mission plans for May asteroid departure
Researchers reveal recipe for engineering ribosomes
Researchers improve data readout by using 'quantum entanglement'
Scientists use diamonds to generate better accelerator beams
Lasers create miniature robots from bubbles
Innovations through hair-thin optical fibers
Electrons caught in the act
Two-photon polymerization of PEGda hydrogel microstructure
Do simulations represent the real world at the atomic scale?
Scientists gain an unprecedented view of irradiated nuclear fuel
New method shows promise in identifying disease-fighting drug targets
How blood stem cells maintain their lifelong potential for self-renewal
Humanizing yeast ORC sheds light on cancer therapy and human development
