Nobel Laureate Serge Haroche sheds light on research at CityU
A sharing session on 3 October, featuring Professor Serge Haroche, Chairman of Hong Kong Institute for Advanced Study (HKIAS) and Nobel Laureate in Physics (2012), sheds light on the inter-relationship between teaching and research.
Professor Hong Ding unveiled groundbreaking discoveries in establishing Iron-Majorana Platform
Professor Hong Ding, Chair professor of Tsung-Dao Lee Institute, Shanghai Jiao Tong University delivered the HKIAS Distinguished Lecture entitled "Iron-based superconductors as a new Majorana playground" on 18 October 2023.
When in a Plasma of Quarks and Gluons, Not All Jets Radiate Equally
Colliding nuclei at high speeds melts their constituent quarks and gluons into a Quark-Gluon Plasma (QGP). Quarks and gluons from the colliding nuclei also sometimes ricochet off one another very early on in the collision and form sprays of energetic particles known as jets. These jets lose their energy as they exit the plasma, with wide jets losing more energy than narrow jets. Researchers have confirmed that the plasma treats each prong of a jet independently only when the prongs are separated by a sufficiently large angle.
International science organizations sign agreement to provide hardware for the Deep Underground Neutrino Experiment
Ten international funding agencies will contribute to the construction of the gigantic particle detectors a mile underground for the Fermilab-hosted Deep Underground Neutrino Experiment.
Diamonds and rust help unveil 'impossible' quasi-particles
Researchers have discovered magnetic monopoles - isolated magnetic charges - in a material closely related to rust, a result that could be used to power greener and faster computing technologies.
Picking Up Good Vibrations: The Surprising Physics of the Didjeridu #Acoustics23
Joe Wolfe and John Smith from the University of New South Wales conducted acoustic experiments to study the didjeridu's unusual and complicated performance techniques.
Argonne physicist recognized for "Top Cited Paper" by Institute of Physics
A paper co-authored by Argonne Physicist Filip Kondev has earned a "Top Cited Paper Award" from IOP Publishing. The paper provides fundamental nuclear physics properties for all known nuclei and ranks in the top 1% in IOP's Physics category since 2020.
Harvesting Water from Air with Solar Power
Researchers from Shanghai Jiao Tong University have developed a promising new solar-powered atmospheric water harvesting technology that could help provide enough drinking water for people to survive in difficult, dryland areas: They synthesized a super hygroscopic gel capable of absorbing and retaining an unparalleled amount of water. .
Wearable Ultrasound Monitor Can Aid Rehabilitation from Injury #Acoustics23
Parag Chitnis of George Mason University led a team that developed a wearable ultrasound system that can produce clinically relevant information about muscle function during dynamic physical activity. The system uses a patented approach that uses long-duration chirps and ultrasound sensing, and it allowed the team to design a simpler, cheaper system that could be miniaturized and powered by batteries. The result is an ultrasound monitor with a small, portable form factor that can be attached to a patient.
Collisions Change How Fast Ions Surf on Plasma Waves in Fusion Experiments and Beyond
Fast ions that heat plasma in a fusion device can resonate with waves in the plasma, potentially causing waves to grow and kick the fast ions out of the device. This research used mathematical calculations and computer simulations to examine these resonant interactions to reveal how different types of collisions compete to determine the way energy transfers between the resonant particles and the plasma waves. The results will aid in models of how to keep plasmas hot enough to sustain fusion reactions.
ORNL engineer Karen White honored with Lifetime Achievement Award
Oak Ridge National Laboratory's Karen White, who works in ORNL's Neutron Science Directorate, has been honored with a Lifetime Achievement Award.White, who manages the section that provides the machine controls, computing infrastructure, and protection systems across all neutron science technical areas, received the award during the biennial International Conference on Accelerator and Large Experimental Physics Control Systems, held October 7-13, 2013, in Cape Town, South Africa.
Novel Research on Neutron Capture by Bromine at China Spallation Neutron Source Offers Insight Into Astrophysics and Detector Design
For decades, scientists have been on a quest to unravel the mysteries behind the creation of elements heavier than iron. At the heart of this exploration lie two primary neutron capture processes: the s(slow) and r(rapid) processes.
Quantum physics: Superconducting Nanowires Detect Single Protein Ions
An international research team led by quantum physicist Markus Arndt (University of Vienna) has achieved a breakthrough in the detection of protein ions: Due to their high energy sensitivity, superconducting nanowire detectors achieve almost 100% quantum efficiency and exceed the detection efficiency of conventional ion detectors at low energies by a factor of up to a 1,000.
Teaching Physics from the Din of Flying Discs #Acoustics23
The sound a disc makes while soaring through the air is full of information about how fast the disc is flying and how quickly it spins.
Emergence of Collective Phenomena in Fractured Rocks: Exploring the 'More is Different' Perspective
In a recent paper published in the KeAi journal Rock Mechanics Bulletin, a scientist from Uppsala University presented a discussion on the mechanism of emergence in fractured media from a combined statistical physics and rock mechanics perspective.
Quantum Materials: Superconductor Performs Best Under Pressure
Strontium ruthenate is a superconductor that gives rise to a number of questions. Researchers of Karlsruhe Institute of Technology (KIT) and Max Planck Institute for Chemical Physics of Solids (MPI CPfS), Dresden, have now found that mechanical pressure enhances superconductivity and, at the same time, facilitates deformation of the material.
Parsing the Puzzle of Nucleon Spin
Jefferson Lab nuclear physicist Alexandre Deur has been named an American Physical Society Fellow for the study of the spin structure of the nucleon.
Theory Offers a High-Resolution View of Quarks Inside Protons
New calculations predicting the spatial distributions of the charges, momentum, and other properties of the quarks within protons found that the up quarks are more symmetrically distributed and spread over a smaller distance within the proton than the down quark. The results imply that these two types of quarks contribute differently to a proton's properties.
Hundreds of PPPL students and scientists present findings at annual APS-DPP conference in Denver
More than 120 staff and 80 students and interns from the U.S. Department of Energy's (DOE) Princeton Plasma Physics Laboratory (PPPL) attended the American Physical Society's Division of Plasma Physics (APS-DPP) Conference from Oct 30 to Nov. 3 in Denver.
Innovative Study Unveils New Insights into Asymmetric Particle Collisions
High-energy heavy-ion collisions, while impossible to observe directly, provide invaluable insights into the universe's beginnings. Researchers analyze the final particles produced in these collisions to understand better the properties and mechanisms behind particle production.
Wits researchers pioneer a new way of searching for Dark Matter
Wits researchers pioneer a new way of searching for Dark Matter. Researchers explore whether Dark Matter particles actually are produced inside a jet of standard model particles.
New Way to Determine Arrow of Time
One of the annoying side effects of being absorbed in a gripping novel is that the cup of tea on the table becomes cold! Unfortunately, the tea would not heat itself by absorbing the heat around it, just as pieces of a broken egg would not put themselves together or milk mixed in coffee would not separate by itself.
When baby stars fledge
A team of astrophysicists led by Nuria Miret-Roig from the University of Vienna found that two methods for determining the age of stars measure different things: Isochronous measurement thereby determines the birth date of stars, while dynamical tracking provides information on when stars "leave their nest", about 5.5 million years later in the star clusters studied.
First experimental evidence of hopfions in crystals opens up new dimension for future technology
Hopfions, magnetic spin structures predicted decades ago, have become a hot and challenging research topic in recent years. In a study published in Nature today, the first experimental evidence is presented by a Swedish-German-Chinese research collaboration
Written in Blood
In Physics of Fluids, scientists demonstrate how bloodstains can yield valuable details by examining the protrusions that deviate from the boundaries of otherwise elliptical bloodstains. The researchers studied how these "tails" are formed using a series of high-speed experiments with human blood droplets less than a millimeter wide impacting horizontal surfaces at various angles. They found that the tail length can reflect information about the size, impact speed, and impact angle of the blood drop that formed the stain.