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Advances in theoretical modeling of atomic nuclei

The atomic nucleus is a tough nut to crack. The strong interaction between the protons and neutrons that make it up depends on many quantities, and these particles, collectively known as nucleons, are subject to not only two-body forces but also thre.....»»

Category: topSource:  informationweekJan 14th, 2022

Before horses, ass hybrids were bred for warfare

The 4,500-year-old iconography and texts from Mesopotamia show that the elite used equids for travel and warfare; however, the nature of these animals remained mysterious. In Science Advances (January 14, 2022), a team from the Institut Jacques Monod.....»»

Category: topSource:  informationweekRelated NewsJan 14th, 2022

Advances in theoretical modeling of atomic nuclei

The atomic nucleus is a tough nut to crack. The strong interaction between the protons and neutrons that make it up depends on many quantities, and these particles, collectively known as nucleons, are subject to not only two-body forces but also thre.....»»

Category: topSource:  informationweekRelated NewsJan 14th, 2022

Using time dilation to measure curvature of space-time

A team of researchers working at Stanford University has used time dilation in an atomic fountain to measure the curvature of space-time. In their study, reported in the journal Science, the group used the fountain as an interferometer to measure ato.....»»

Category: topSource:  informationweekRelated NewsJan 14th, 2022

Study examines diversity in research publishing

Science is often seen as a meritocracy, where the best work rises to the top along with the researchers who shepherd those advances. A new study co-authored by School of Public Policy Chair Cassidy R. Sugimoto tests that premise at the intersection o.....»»

Category: topSource:  physorgRelated NewsJan 14th, 2022

Deep Learning Can"t Be Trusted, Brain Modeling Pioneer Says

During the past 20 years, deep learning has come to dominate artificial intelligence research and applications through a series of useful commercial applications. But underneath the dazzle are some deep-rooted problems that threaten the technology's.....»»

Category: topSource:  slashdotRelated NewsJan 13th, 2022

Toward superior nanoscale sensing and imaging with optimized diamond probes

From the discovery of microorganisms in the field of biology to imaging atoms in the field of physics, microscopic imaging has improved our understanding of the world and has been responsible for many scientific advances. Now, with the advent of spin.....»»

Category: topSource:  physorgRelated NewsJan 13th, 2022

Equivariant representations for molecular Hamiltonians and N-center atomic-scale properties

In the fields of chemistry and materials, most successful, widely used machine learning schemes introduced over the last decade aim to model molecular energies or interatomic potentials. Accordingly, the representations used to map atomic configurati.....»»

Category: topSource:  physorgRelated NewsJan 11th, 2022

Manifolds in commonly used atomic fingerprints lead to failure in machine-learning four-body interactions

Atomic environment fingerprints, or structural descriptors, are used to describe the chemical environment around a reference atom. Encoding information such as bond-lengths to neighboring atoms or coordination numbers, these fingerprints are used, fo.....»»

Category: topSource:  physorgRelated NewsJan 10th, 2022

Catalyst surface analysed at atomic resolution

Researchers from the Ruhr-Universität Bochum, the University of Duisburg-Essen and the Max Planck Institute for Chemical Energy Conversion in Mülheim an der Ruhr cooperated on the project as part of the Collaborative Research Centre "Heterogeneous.....»»

Category: topSource:  physorgRelated NewsJan 10th, 2022

Paleontologists Excavate "Incredibly Detailed" Fossils With Preserved Subcellular Structures

Slashdot reader BoogieChile writes: Details of an important new fossil site has just been published in the first Science Advances journal for the new year. McGraths Flat, in New South Wales, Australia, was once the location of this oxbow lake in a m.....»»

Category: topSource:  slashdotRelated NewsJan 9th, 2022

Entangled microwave photons may give 500x boost to radar

Stretched, entangled microwave pulses are the key. Enlarge (credit: NASA) Quantum radar has been on the… ahem… radar for a while now. Unfortunately, the theoretical and practical results from our explorations of the concep.....»»

Category: topSource:  arstechnicaRelated NewsJan 7th, 2022

Visualizing intracellular nanostructures of living cells using nanoendoscopy-AFM

Atomic force microscopy (AFM) offers a method for label-free imaging of nanoscale biomolecular dynamics to solve biological questions that cannot be addressed via other bioimaging methods including fluorescence and scanning electron microscopy. Since.....»»

Category: topSource:  physorgRelated NewsJan 7th, 2022

Robust far-field imaging by spatial coherence engineering

In a new publication from Opto-Electronic Advances, the research groups of Yangjian Cai from Shandong Normal University, Jinan City, Shandong, China, Fei Wang from Soochow University, Suzhou, China, and Olga Korotkova from Miami University, Miami, FL.....»»

Category: topSource:  physorgRelated NewsJan 6th, 2022

Nanobridged rhombic antennas that support both dipolar and high-order plasmonic modes

In a new publication from Opto-Electronic Advances, the research groups of Professor Zhong-Qun Tian from Xiamen University, Xiamen, China and Professor Huigao Duan from Hunan University Changsha, China discuss nanobridged rhombic antennas supporting.....»»

Category: topSource:  physorgRelated NewsJan 6th, 2022

Improving the conductivity of metal nanoelectrodes achieved via plasmon-enhanced laser nanosoldering

In a new publication from Opto-Electronic Advances, the research groups of Professor Xuan-Ming Duan from Jinan University Guangzhou, China and Professor Mei-Ling Zheng from the Institute of Physics and Chemistry of Chinese Academy of Sciences, Beijin.....»»

Category: topSource:  physorgRelated NewsJan 6th, 2022

Ultrafast amplitude detector for use in high-speed atomic force microscopy

To improve our understanding of biomolecular processes happening within cells, techniques for visualizing and recording them are of key importance. High-speed atomic-force microscopy (HS-AFM) has become an important technique for the real-time obser.....»»

Category: topSource:  physorgRelated NewsJan 6th, 2022

New research questions "whiff of oxygen" in Earth"s early history

Evidence arguing for a "whiff of oxygen" before the Earth's Great Oxygenation Event 2.3 billion years ago are chemical signatures that were probably introduced at a much later time, according to research published in Science Advances......»»

Category: topSource:  physorgRelated NewsJan 5th, 2022

Engineers develop new software tool to aid material modeling research

A new software tool can accelerate materials science research by cutting out tedious background research on material properties. Penn State and Sandia National Laboratories researchers recently debuted propSym, an open-source software on the programm.....»»

Category: topSource:  physorgRelated NewsJan 5th, 2022

Coughing downward reduces spread of respiratory droplets: study

With many people heading indoors for the winter months and respiratory droplets acting as a major contributor to COVID-19 spread, the scientific community has renewed interest in the dynamics behind how they spread. Modeling such behavior in a variet.....»»

Category: topSource:  pcmagRelated NewsJan 4th, 2022

Extreme weather could be as expensive as investing in cutting carbon ASAP

Overshoot climate targets, even briefly, and the costs of extreme weather go up. Enlarge (credit: Jason Persoff / Getty Images) Recently, a network of climate modeling groups showed that it will cost more to overshoot the Pari.....»»

Category: topSource:  arstechnicaRelated NewsDec 30th, 2021