A recent study suggests that the observation of antihelium nuclei in cosmic rays may be consistent with the existence of WIMP particles, which could make up dark matter. The detection of two distinct isotopes, antihelium-3 and -4, is particularly intriguing as heavier nuclei are unlikely to be produced through natural processes.
SourceSissa Medialab·JournalJournal of Cosmology and Astroparticle Physics·TypeData/statistical analysis·DateOct 4, 2024
Ferah Munshi is studying the formation of Low Surface Brightness galaxies, which make up nearly 50% of the universe. Her research aims to understand why these galaxies are dim and large, including their dark matter content and distribution.
Apple iPhone 17 Pro
Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.
A newly discovered cluster-scale strong gravitational lens, the Carousel Lens, enables researchers to study cosmology and the properties of dark matter and dark energy. The unique alignment of seven background galaxies forms concentric circular patterns around a foreground galaxy cluster.
SourceDOE/Lawrence Berkeley National Laboratory·JournalThe Astrophysical Journal·DateSep 18, 2024
Researchers suggest that if most dark matter is composed of microscopic primordial black holes, they should pass through the solar system at least once per decade, introducing a wobble into Mars' orbit. This detection could lend support to the idea that primordial black holes are a primary source of dark matter.
SourceMassachusetts Institute of Technology·JournalPhysical Review D·DateSep 17, 2024
A new study proposes that early dark energy could explain the formation of numerous bright galaxies in the early universe, resolving the 'Hubble tension' puzzle. The team modeled galaxy formation with a brief appearance of early dark energy, finding it fits observations and solves both puzzles.
SourceMassachusetts Institute of Technology·JournalMonthly Notices of the Royal Astronomical Society·DateSep 13, 2024
The ATLAS collaboration has performed a combined statistical analysis of final states including dark matter particles, significantly enhancing the constraint on model parameter space and sensitivity to new physics. This work provides strong experimental results for multiple benchmark parameter models within the 2HDM+a framework.
SourceScience China Press·JournalScience Bulletin·DateSep 12, 2024
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DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.
A deep-learning algorithm developed by astronomer David Harvey can untangle the complex signals of self-interacting dark matter and AGN feedback in galaxy cluster images. The Inception model achieved an accuracy of 80% under ideal conditions, showcasing its potential for analyzing vast amounts of space data.
SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Astronomy·DateSep 6, 2024
The LZ experiment has narrowed down possibilities for weakly interacting massive particles (WIMPs), a leading candidate for dark matter. The new results explore weaker interactions than ever searched before and limit what WIMPs could be, finding no evidence above a mass of 9 GeV/c².
SourceDOE/Lawrence Berkeley National Laboratory·DateAug 26, 2024
An international team of astronomers has disproven a 'conspiracy' that stars and dark matter interact in inexplicable ways. By using advanced modeling techniques, they found that the similarity in galaxy density is due to how astronomers measured and modeled galaxies, rather than an actual interaction between stars and dark matter.
SourceARC Centre of Excellence for All Sky Astrophysics in 3D (ASTRO 3D)·JournalMonthly Notices of the Royal Astronomical Society·TypeExperimental study·DateAug 19, 2024
A new framework analyzes dark tourism, thanatology, and collective memory studies to understand why people are drawn to events steeped in themes of death, disaster, and suffering. The study reveals a complex interplay of curiosity, thrill-seeking behavior, cultural traditions, and psychological exploration.
SourceUniversity of Surrey·JournalAnnals of Tourism Research·TypeObservational study·DateAug 14, 2024
A new AI-powered image recognition technique could help scientists detect dark matter at the LHC by flagging fleeting tracks before collisions occur. The technique, developed by Ashutosh Kotwal and his team, processes images in under 250 nanoseconds and weeds out uninteresting data points.
SourceDuke University·JournalScientific Reports·TypeComputational simulation/modeling·DateJul 29, 2024
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Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.
Astronomers have observed the decoupling of dark and normal matter velocities in a massive galaxy cluster collision. The dark matter accelerated ahead of normal matter due to gravity and electromagnetism interactions, offering a unique vantage point for studying this phenomenon.
SourceCalifornia Institute of Technology·JournalThe Astrophysical Journal·DateJul 24, 2024
Researchers used hydrogen to track dark matter's presence in the universe, revealing a tension between observations and theoretical predictions. The findings suggest that an unknown particle or new physics may be responsible for this discrepancy.
SourceSissa Medialab·JournalJournal of Cosmology and Astroparticle Physics·TypeData/statistical analysis·DateJul 24, 2024
Researchers found that pairs of supermassive black holes can merge due to previously overlooked behavior of dark matter particles, proposing a solution to the longstanding final parsec problem. This discovery provides insight into the nature of dark matter and its interaction with supermassive black holes.
SourceUniversity of Toronto·JournalPhysical Review Letters·TypeComputational simulation/modeling·DateJul 22, 2024
Researchers found deviations in pulse arrival times that indicate unseen concentrations of mass, which could be dark matter objects. The study improves pulsar timing data sample, shedding new light on dark matter distribution in the Milky Way.
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Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.
A team led by Jamie McCullough and Daniel Grün has analyzed the largest dataset to date, shedding light on what the color of various galaxies says about their true distance. The results make it possible to statistically determine the true distance of each galaxy observed in images taken by Euclid or the Dark Energy Survey.
SourceLudwig-Maximilians-Universität München·JournalMonthly Notices of the Royal Astronomical Society·TypeObservational study·DateJul 15, 2024
Scientists at European XFEL have developed a new method to study warm dense matter, allowing for unprecedented insights into its structure and properties. This breakthrough enables the investigation of plasmons in ambient aluminum with ultra-high-resolution X-ray Thomson scattering.
SourceHelmholtz-Zentrum Dresden-Rossendorf·JournalPhysical Review B·TypeExperimental study·DateJul 11, 2024
A team of astronomers used NASA's Hubble Space Telescope to create the most accurate three-dimensional understanding of stars' movements within the Draco dwarf galaxy. This allowed them to build a more precise model of dark matter distribution, which aligns with cosmological models and suggests a cusp-like structure.
SourceNASA/Goddard Space Flight Center·JournalThe Astrophysical Journal·TypeObservational study·DateJul 11, 2024
Researchers propose that simple forms of ultra-light scalar field matter could generate detectable gravitational wave backgrounds soon after the Big Bang. This discovery could shed light on dark matter and its role in the universe's mass, offering a new avenue for fundamental physics research.
SourceUniversity of California - Riverside·JournalPhysical Review Letters·TypeObservational study·DateJul 11, 2024
A research team used the "motion picture" method to measure the precession rate of the Milky Way's disk warp, revealing a slightly oblate dark matter halo with a flattening ratio between 0.84 and 0.96. The study found that the current dark matter halo exhibits a retrograde precession direction at a rate of 2 km/s/kpc.
SourceChinese Academy of Sciences Headquarters·JournalNature Astronomy·DateJul 5, 2024
SAMSUNG T9 Portable SSD 2TB
SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.
Researchers at Lancaster University and others are building the most sensitive dark matter detectors using quantum technologies. They aim to detect dark matter particles weighing between 0.01 to a few hydrogen atoms, which could reveal the mass and interactions of these mysterious particles.
A team of scientists from the University of Warsaw detected a population of massive black holes, which could comprise at most a few percent of dark matter. The findings were published in Nature and the Astrophysical Journal Supplement Series.
SourceUniversity of Warsaw, Faculty of Physics·JournalNature·DateJun 24, 2024
Researchers create a 3D printed vacuum system to trap dark matter, using ultra-cold lithium atoms to analyze the effects of domain walls. The team expects results within a year and believes this study will be an important step forward in understanding dark energy and dark matter.
SourceUniversity of Nottingham·JournalPhysical Review D·TypeExperimental study·DateJun 17, 2024
Scientists at Case Western Reserve University have discovered that the rotation curves of galaxies remain flat for millions of light years, defying expectations and challenging traditional understanding of cosmology. This finding suggests that dark matter may not exist or that alternative gravity theories could explain this phenomenon.
SourceCase Western Reserve University·JournalThe Astrophysical Journal Letters·TypeComputational simulation/modeling·DateJun 17, 2024
CalDigit TS4 Thunderbolt 4 Dock
CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.
Researchers at USTC have detected two new exotic spin-spin-velocity-dependent interactions using solid-state spin quantum sensors. These findings provide valuable insights into fundamental interactions and could help explain observational facts in cosmology such as dark matter and dark energy.
SourceUniversity of Science and Technology of China·JournalPhysical Review Letters·DateJun 16, 2024
Researchers at St. Jude Children's Research Hospital have developed a way to mitigate long-lived triplet dark states in smFRET, significantly increasing the method's resolution for molecular imaging. This advancement enables direct visualization of biomolecules' functions and dynamics, crucial for understanding biological processes and...
SourceSt. Jude Children's Research Hospital·JournalNature Methods·DateJun 14, 2024
A satellite galaxy of the Milky Way, Crater 2, has been studied by a UC Riverside-led team. They offer an explanation for its unusual properties using the self-interacting dark matter (SIDM) theory.
SourceUniversity of California - Riverside·JournalThe Astrophysical Journal Letters·TypeObservational study·DateJun 11, 2024
Researchers suggest microscopic, ultradense black holes formed in first quintillionth of a second after Big Bang may have produced smaller, super-charged black holes with unprecedented nuclear charge. These tiny, 'super-charged' black holes could have influenced atomic nucleus formation and detection.
SourceMassachusetts Institute of Technology·JournalPhysical Review Letters·DateJun 6, 2024
A new study by Tulane University found that dark chocolate is safe for consumption and even nutritionally beneficial, containing essential minerals like copper and zinc. Only four out of 155 dark chocolate bars sampled had cadmium levels that posed a risk to children weighing less than 33 pounds.
SourceTulane University·JournalFood Research International·DateJun 3, 2024
GQ GMC-500Plus Geiger Counter
GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.
Researchers used numerical simulations to analyze the behavior of dark matter in the giant galaxy cluster El Gordo. The study found that the physical separation between dark matter and other mass components can be explained using the Self-Interacting Dark Matter (SIDM) model.
SourceScuola Internazionale Superiore di Studi Avanzati·JournalAstronomy and Astrophysics·TypeComputational simulation/modeling·DateMay 31, 2024
Researchers propose a new model that predicts far fewer primordial black holes than previously thought, which could be a strong candidate for dark matter. The study uses quantum field theory to explain the formation of these miniature black holes in the early universe.
SourceKavli Institute for the Physics and Mathematics of the Universe·JournalPhysical Review Letters·DateMay 29, 2024
Researchers propose a novel approach to correct the leading model of primordial black hole (PBH) formation, aligning with cosmic microwave background observations. This could imply fewer PBHs than expected, potentially affecting the dark matter theory and gravitational wave events.
SourceUniversity of Tokyo·JournalPhysical Review Letters·TypeComputational simulation/modeling·DateMay 29, 2024
Researchers developed a highly reflective black paint that improves detection of dark objects by lidar sensors in self-driving cars. The new paint, made with titanium dioxide, was tested on two types of lidar sensors and showed improved performance compared to traditional carbon-based paints.
SourceAmerican Chemical Society·JournalACS Applied Materials & Interfaces·DateMay 2, 2024
Kestrel 3000 Pocket Weather Meter
Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.
The study uses computer simulations to test two models of the universe, finding that features observed in real galaxies can be explained by both models. However, the team also found that such features only appear in their simulations when there is both dark matter and normal matter present.
SourceUniversity of California - Irvine·JournalMonthly Notices of the Royal Astronomical Society·DateApr 29, 2024
Scientists have developed a new method to efficiently extract information from galaxy surveys, enabling the use of high-order information in future studies. This breakthrough has significant implications for understanding dark energy, dark matter, and gravity.
SourceChinese Academy of Sciences Headquarters·JournalCommunications Physics·DateApr 19, 2024
A massive ancient galaxy, JWST-ER1g, has been found to have a high dark matter density, puzzling physicists. Researchers offer an explanation that suggests a mechanism compressing the dark matter halo could be responsible for the high density.
SourceUniversity of California - Riverside·JournalThe Astrophysical Journal Letters·TypeObservational study·DateApr 12, 2024
Physicists calculated that neutron stars can heat up quickly due to energy transfer from dark matter particles, providing a potential way to detect dark matter. This process could reveal the nature of dark matter and its interactions with regular matter.
SourceUniversity of Melbourne·JournalJournal of Cosmology and Astroparticle Physics·TypeObservational study·DateApr 4, 2024
Researchers have created the largest 3D map of the cosmos, measuring dark energy with unprecedented precision. The study provides insights into the expansion history of the young universe, with results agreeing with the Lambda CDM model but also hinting at potential differences that could indicate evolving dark energy.
SourceDOE/Lawrence Berkeley National Laboratory·DateApr 4, 2024
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Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.
The 3,200-megapixel LSST Camera will help researchers better understand dark matter and dark energy by observing the night sky in unprecedented detail. The camera's high resolution will allow it to resolve a golf ball from 15 miles away, providing valuable insights into the universe.
SourceDOE/SLAC National Accelerator Laboratory·DateApr 3, 2024
The BREAD experiment has released its first results in the search for dark matter, demonstrating a novel approach that may speed up the search. The study showed high sensitivity in a specific frequency range, setting constraints on where dark matter might be found.
SourceUniversity of Chicago·JournalPhysical Review Letters·TypeExperimental study·DateApr 2, 2024
Researchers at SLAC National Accelerator Laboratory propose detecting thermalized dark matter, which builds up on Earth's surface, using quantum sensors. The study suggests that superconducting quantum devices could be redesigned to detect low-energy galactic dark matter particles.
SourceDOE/SLAC National Accelerator Laboratory·JournalPhysical Review Letters·DateMar 27, 2024
A Clemson astrophysicist's research offers the most stringent constraints yet on dark matter's fundamental nature. The study reveals a small hint of a signal that could be confirmed in the next decade if real.
SourceClemson University·JournalPhysical Review D·TypeComputational simulation/modeling·DateMar 19, 2024
Conventional projection mapping systems work only in dark environments due to surrounding illumination. Researchers from Osaka University developed a method to control both image and illumination, allowing for realistic projections in bright environments. This technology enables interactive displays with multiple viewers under natural ...
SourceOsaka University·TypeExperimental study·DateMar 18, 2024
Sky & Telescope Pocket Sky Atlas, 2nd Edition
Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.
A new study by University of Ottawa physicist Rajendra Gupta challenges the existence of dark matter in the universe. Using the covarying coupling constants and tired light theories, Gupta's research finds that the universe does not require dark matter to exist.
SourceUniversity of Ottawa·JournalThe Astrophysical Journal·TypeContent analysis·DateMar 15, 2024
Researchers have discovered unique electromagnetic signals in the debris of a neutron star merger, which could provide new constraints on axion-like particles and their potential role in dark matter. The findings were made using data from NASA's Fermi-LAT gamma-ray telescope.
SourceWashington University in St. Louis·JournalPhysical Review Letters·DateMar 6, 2024
Researchers at NIH have identified antibodies targeting a hard-to-spot region of the influenza virus's neuraminidase protein head, known as the NA dark side. These antibodies could be used to develop new vaccine and therapeutic strategies, providing protection against influenza viruses with drug-resistant mutations.
SourceNIH/National Institute of Allergy and Infectious Diseases·JournalImmunity·DateMar 1, 2024
Researchers used CALIFA survey data to study the mass of stars and their rotation, finding that dark matter affects galaxy evolution. Galaxies with equal star masses behave differently depending on their halo mass, revealing a connection between dark matter and stellar properties.
SourceInstituto de Astrofísica de Canarias (IAC)·JournalNature Astronomy·DateFeb 19, 2024
A new technique enables researchers to identify and control a greater number of atomic-scale defects in diamonds, which can be used to build larger systems of qubits for improved quantum sensing. This approach uses a specific protocol of microwave pulses to locate and extend control to additional defects.
SourceMassachusetts Institute of Technology·JournalPRX Quantum·DateFeb 8, 2024
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Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.
A team of astrophysicists used simulations to track galaxy formation near the Big Bang, including interactions between gas and dark matter. The results show that tiny, bright galaxies were formed more quickly than expected, challenging current theories about dark matter.
SourceUniversity of California - Los Angeles·JournalThe Astrophysical Journal Letters·DateJan 31, 2024
Researchers found a way to precisely calculate forces affecting galaxies in tidal cycles, a crucial step towards measuring dark matter velocity. Lopsided galaxies, common in outer space, can provide isolated environments to study dark matter relative motion.
SourceEstonian Research Council·TypeData/statistical analysis·DateJan 29, 2024
A team of MIT physicists analyzed Gaia and APOGEE data to find stars farther out in the galactic disk are rotating more slowly than expected. This flat rotation curve indicates a lower mass galactic core, potentially containing less dark matter than previously estimated.
SourceMassachusetts Institute of Technology·JournalMonthly Notices of the Royal Astronomical Society·DateJan 26, 2024
The study uncovers the formation dynamics of dark excitons from optically excited bright excitons in anatase TiO2, a semiconductor material known for its exceptional light absorption capabilities. The many-body effects within excitons play a crucial role in this transition, occurring within approximately 100 femtoseconds.
SourceUniversity of Science and Technology of China·JournalProceedings of the National Academy of Sciences·DateJan 19, 2024
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Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.
Researchers from the University of Innsbruck propose an experiment to observe macroscopic quantum effects in a dark potential created by electrostatic or magnetic forces. By letting a cooled nanoscale glass sphere evolve in this non-optical environment, they aim to rapidly generate a macroscopic quantum superposition state.
SourceUniversity of Innsbruck·JournalPhysical Review Letters·DateJan 10, 2024
A recent study analyzed a prominent dark web fentanyl-selling operation that grew at an alarming rate, offering consumers significant discounts. The organization's sales growth and price markups made it difficult for law enforcement to shut down, allowing other organizations to fill the gap.
SourceCarnegie Mellon University·JournalGlobal Crime·DateJan 10, 2024
The Dark Energy Survey has released unprecedented results on the mysteries of dark energy and the expansion of the universe. The study placed the strongest constraints on the expansion rate of the universe ever obtained, consistent with the standard cosmological model but not definitive enough to rule out a more complex model.
SourceDOE/Fermi National Accelerator Laboratory·JournalThe Astrophysical Journal·TypeData/statistical analysis·DateJan 8, 2024
A new study proposes that dark matter mini-halos scattered throughout the cosmos could serve as probes for primordial magnetic fields. The researchers suggest that if these fields are indeed primordial, they could cause an increase in dark matter density perturbations on small scales.
SourceScuola Internazionale Superiore di Studi Avanzati·JournalPhysical Review Letters·DateJan 3, 2024
A new study places the likelihood of massive neutron stars having deconfined quark matter at 80-90%. This is made possible through Bayesian statistical inference and massive supercomputer runs. The research has implications for our understanding of particle and nuclear physics, as well as astrophysics.
SourceUniversity of Helsinki·JournalNature Communications·TypeComputational simulation/modeling·DateDec 28, 2023
Aranet4 Home CO2 Monitor
Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.
A new theory, self-interacting dark matter (SIDM), proposes that dark matter particles interact through a dark force, explaining high-density halos and low-density halos of ultra-diffuse galaxies. SIDM simulates cosmic structure formation with strong dark matter self-interactions, diversifying halo density in central regions.
SourceUniversity of California - Riverside·JournalThe Astrophysical Journal·TypeComputational simulation/modeling·DateDec 6, 2023
Researchers have found that Vibrio bacteria play a role in outbreaks of mortality among dark stinging sponges weakened by warming Mediterranean. The study suggests climate change may be impacting disease dynamics in sponges and their pathogens.
SourceFrontiers·JournalFrontiers in Microbiology·TypeObservational study·DateDec 1, 2023
Researchers investigate whether dark matter particles are produced inside a jet of standard model particles. Their new detector signature, semi-visible jets, opens up new directions into looking for Dark Matter.
SourceUniversity of the Witwatersrand·JournalPhysics Letters B·DateNov 27, 2023