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Tiny X-ray telescope could unlock the Moon's hidden chemistry
Tiny X-ray telescope could unlock the Moon's hidden chemistry A tiny new X-ray telescope could unlock the Moon’s hidden chemistry and finally reveal how our nearest neighbor evolved. - Date: - June 6, 2026 - Source: - Tokyo Metropolitan University - Summary: - A lightweight new X-ray telescope could finally give scientists something they’ve never had before: a complete chemical map of the Moon.
Lighter X-ray aprons could spare health care workers from chronic pain
Lighter X-ray aprons could spare health care workers from chronic pain Sadie Harley Scientific Editor Andrew Zinin Lead Editor A light, flexible polymer material developed at the University of Waterloo could replace the lead in heavy X-ray aprons, providing the same protection from harmful radiation while reducing their weight by almost 90%. "For patients who only get X-rays once in a while, heavy lead aprons might be OK, but technicians who wear them every day often develop back and neck...
Diffractive cascades for polychromatic hard X-ray focusing
arXiv:2605.15526v2 Announce Type: replace Abstract: Diffractive focusing of hard X-rays has traditionally required structures with large aspect ratios due to the limited interaction of most materials with X-rays. This has increased the complexity of fabricating diffractive X- ray lenses, restricting their widespread deployment.
Majestic manta rays dive deep to survive storm events, data reveal
Majestic manta rays dive deep to survive storm events, data reveal Sadie Harley Scientific Editor Robert Egan Associate Editor New research led by the University of the Sunshine Coast has found that reef manta rays are diving deep in storm events to find food and stay alive. As World Environment Day is celebrated around the globe on June 5, the findings offer hope for the future of a species listed as vulnerable to extinction. Lead author Anna Knochel said the team was surprised to record no...
National anthem 'standoff' between Rays and Angels players leads to pregame ejections at Tropicana Field
The Los Angeles Angels rolled past the AL East-leading Tampa Bay Rays on Saturday. But the game was overshadowed by a pregame incident that resulted in three ejections before the first pitch was thrown. The third-base umpire tossed Angels reliever Brent Suter and Rays pitchers Steven Wilson and Manuel Rodríguez from the late-afternoon game at Tropicana Field.
Environmental $\gamma$-Ray Flux in Hall C at LNGS and Its Correlation with Radon Activity
arXiv:2605.09835v2 Announce Type: replace Abstract: We report a comprehensive measurement of the environmental $\gamma$-ray flux in Hall C of the Gran Sasso National Laboratory. A spatial mapping of the radiation was carried out using a high-purity germanium detector mounted on a movable cart and deployed at eight locations within the hall. The detector response function and full-energy-peak efficiencies were determined through Geant4 simulations validated with calibrated $\gamma$-ray...
X-ray Fractional Orbital Angular Momentum from Coherent Magnetic Scattering
Announce Type: new Abstract: Artificial spin ice (ASI) based on a square lattice with a topological defect are known to generate orbital angular momentum (OAM) in diffracted X-ray beams. A previous investigation of ASI with even-charge topological defects showed both charge and magnetic X-ray scattering yield photon OAM, but these were confined to integer OAM values. However, the period of the square ASI's antiferromagnetic ground state is twice the period of the structural ground state,...
Evidence of cosmic-ray acceleration from a nearby supernova remnant
Cosmic rays seen at Earth show a wide range of particle energies, from 107 electron-volts (eV) to more than 1020 eV, the latter being about the same as the kinetic energy of a 450 gram football (soccer ball) being kicked across the pitch at about 8 meters per second. A plot of cosmic ray energies from the Milky Way galaxy often shows a fair amount of what scientists might call "structure"—interesting deviations from the underlying trend called "knees" and "ankles" that indicate new processes...
Absorption and Phase-Contrast Microtomography Using Direct X-ray Detection With COTS CMOS Sensors
Announce Type: replace-cross Abstract: This work presents a high-resolution X-ray microtomography system that uses commercial off-the-shelf (COTS) CMOS image sensors as direct detectors, relying on the sensor s intrinsic resolution to achieve tomographic reconstructions without optical components. The system employs a microfocus X-ray source in cone-beam geometry, enabling both absorption-contrast and propagation-based phase-contrast imaging.
VaN3Twin: the Multi-Technology V2X Digital Twin with Ray-Tracing in the Loop
arXiv:2505.14184v3 Announce Type: replace Abstract: This paper presents VaN3Twin-the first open-source, full-stack Network Digital Twin (NDT) framework for simulating the coexistence of multiple Vehicle-to-Everything (V2X) communication technologies with accurate physical-layer modeling via ray tracing. VaN3Twin extends the ms-van3t simulator by integrating Sionna Ray Tracer (RT) in the loop, enabling high-fidelity representation of wireless propagation, including diverse Line-of-Sight (LoS)...