Using a combination of experimental and computational data, researchers discover paths to optimize pulses from highly intense X-ray beams.... nanowerk · 2 months
Scientists generate multicolor concentric annular ultrafast vector beams  PHYS.ORG · 2 weeks
Ultrafast vector beams have wide applications in photochemistry, biology and physics. They can be used in pump-probe experiments, high-resolution imaging, manipulating microparticles, classical optical communications and quantum optical communications. more
Scientists create new recipe for single-atom transistors  SCIENCE DAILY · 2 weeks
Researchers have developed a step-by-step recipe to produce single-atom transistors. more
Hierarchical self-assembly of atomically precise nanoclusters  PHYS.ORG · 5 days
Metal nanoclusters are an emerging class of modular nanomaterials owing to their atomically precise structures, fascinating properties, and potential applications. The subject of cluster-based supramolecular assembly represents one of the most dynamic areas and has emerged... more
Simultaneous observation of nuclear and electronic dynamics by ultrafast electron diffraction  Science Magazine · 4 days
Simultaneous observation of nuclear and electronic motion is crucial for a complete understanding of molecular dynamics in excited electronic states. It is challenging for a single... more
A new imaging approach to see multiple proteins simultaneously  nanowerk · 2 weeks
Novel technology allows for the simultaneous imaging of multiple proteins in a single cell. more
How race affects listening during political conversations  PHYS.ORG · 3 weeks
A new study offers a rare look at how black and white people listen to each other during political discussions, including those that touch on controversial issues about race. more
Asia Today: India's cases surge again, China opens Congress  ABC NEWS · 4 days
India reported its biggest single-day spike in new virus cases ahead of resuming domestic flights after a two-month halt more
Study finds race-specific lupus nephritis biomarkers for early diagnosis, treatment  NEWS MEDICAL · 3 weeks
University of Houston Hugh Roy and Lillie Cranz Cullen Endowed Professor of biomedical engineering, Chandra Mohan, and his team have discovered a difference in urinary biomarker proteins of... more
NASA gives go-ahead for first crewed SpaceX flight on May 27  PHYS.ORG · 3 days
NASA gave the green light on Friday to next week's launch of two astronauts aboard a SpaceX vessel—the first crewed space flight from US soil in... more
New ultrafast camera takes 70 trillion pictures per second  PHYS.ORG · 3 weeks
Just about everyone has had the experience of blinking while having their picture taken. The camera clicks, your eyes shut, and by the time they open again, the photo is... more
Prenatal development of human immunity  Science Magazine · 3 weeks
The blood and immune systems develop in parallel during early prenatal life. Waves of hematopoiesis separated in anatomical space and time give rise to circulating and tissue-resident immune cells. Previous observations have relied on animal models, which differ... more
New invisibility concept and miniaturization of photonic circuits using ultrafast laser  PHYS.ORG · 3 weeks
From compact biosensors and spectrometers to invisible devices and quantum computers, applications related to integrated photonics are increasingly sought after. As in optical fibres, guiding light... more
The Latest: Missouri moving ahead with plans for execution  ABC NEWS · 3 weeks
Missouri is moving ahead with plans to execute a convicted killer on May 19, unlike other states that have postponed executions during the coronavirus pandemic more
Untangling a key step in photosynthetic oxygen production  SCIENCE DAILY · 4 days
Researchers zeroed in on a key step of photosynthetic oxygen production. What they learned brings them one step closer to obtaining a complete picture of this natural process, which could inform the... more
Researchers demonstrate high-efficiency emission of dispersive wave in gas-filled hollow-core photonic crystal fibers  PHYS.ORG · 8 hours
In the past decade, anti-resonant, hollow-core photonic crystal fibers (HC-PCFs) have become excellent platforms for studying ultrafast nonlinear optics such as ultrashort... more
Direct evidence for efficient ultrafast charge separation in epitaxial WS2/graphene heterostructures  Science Magazine · 2 weeks
We use time- and angle-resolved photoemission spectroscopy (tr-ARPES) to investigate ultrafast charge transfer in an epitaxial heterostructure made of monolayer WS2 and graphene. This heterostructure combines... more
Laos to press ahead with 'destructive' new dam on Mekong  PHYS.ORG · 2 weeks
Environmentalists have criticised Laos for pressing ahead with plans for another "destructive dam" on the Mekong River, a waterway already strangled by hydropower schemes. more
New imaging technology allows visualization of nanoscale structures inside whole cells and tissues  nanowerk · 3 weeks
New technology allows scientists to measure wavefront distortions induced by the specimen, either a cell or a tissue, directly from the signals... more
Watching single protons moving at water-solid interfaces  nanowerk · 7 hours
A new study has provided the first-ever glimpse of the behavior of protons when water comes into contact with a solid surface, going down to the ultimate scale of single proton and single charge. more
Researchers boost microwave signal stability a hundredfold  SCIENCE DAILY · 3 days
Researchers have used state-of-the-art atomic clocks, advanced light detectors, and a measurement tool called a frequency comb to boost the stability of microwave signals 100-fold. This marks a giant step toward better electronics to... more
3D nanowire networks promise new horizon for security screening and medical imaging  nanowerk · 3 weeks
The devices could be used in new, safe imaging technology with far higher resolution than current ultrasound devices used to detect small tumours. more
New imaging device can help detect early biomarker of Alzheimer’s disease  NEWS MEDICAL · 2 weeks
Biomedical engineers at Duke University have devised a new imaging device capable of measuring both the thickness and texture of the various layers of the retina... more
Tiny devices promise new horizon for security screening and medical imaging  SCIENCE DAILY · 3 weeks
Miniature devices that could be developed into safe, high-resolution imaging technology, with uses such as helping doctors identify potentially deadly cancers and treat them early, have... more
Scientists boost microwave signal stability a hundredfold  PHYS.ORG · 4 days
Researchers at the National Institute of Standards and Technology (NIST) have used state-of-the-art atomic clocks, advanced light detectors, and a measurement tool called a frequency comb to boost the stability of microwave signals 100-fold.... more
Study reveals single-step strategy for recycling used nuclear fuel  PHYS.ORG · 3 weeks
A typical nuclear reactor uses only a small fraction of its fuel rod to produce power before the energy-generating reaction naturally terminates. What is left behind is an assortment of... more
Scientists take a step closer to heat-tolerant wheat  SCIENCE DAILY · 3 weeks
Researchers working on molecular-level responses in crops have taken a step closer to their goal of producing heat-tolerant wheat. more
Single-step strategy for recycling used nuclear fuel  SCIENCE DAILY · 3 weeks
A typical nuclear reactor uses only a small fraction of its fuel rod to produce power before the energy-generating reaction naturally terminates. What is left behind is an assortment of radioactive elements, including unused... more
Novel imaging application illuminates processes in cancer, COVID-19  SCIENCE DAILY · 4 weeks
Medical images for a wide range of diseases can be more easily viewed, compared, and analyzed using a breakthrough open source web-based imaging platform developed by Massachusetts General Hospital (MGH) and collaborating... more
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