A new study from the University of Washington reveals that underrepresented students are more likely to drop out of STEM courses due to lower grades in general chemistry. However, if they complete the first course with a minimum grade, they are more persistent and continue in STEM. The study suggests that teaching methods, including tr...
New research suggests black holes could be like holograms, with information concentrated in a two-dimensional surface. This idea aligns with Einstein's theory of relativity and has significant implications for understanding these cosmic bodies.
Dr Martin Kerin, an Irish mathematician from NUI Galway, has published a research article in the Annals of Mathematics, resolving a question on the geometry of seven-dimensional exotic spheres. The discovery confirms that all these spaces admit non-negative curvature.
Researchers at the Max Planck Institute for Nuclear Physics have successfully measured infinitesimal changes in mass of individual atoms for the first time, opening a new world for precision physics. The team discovered a previously unobserved quantum state in rhenium, which could be interesting for future atomic clocks.
The National Science Foundation has awarded a $440,000 grant to Rochester Institute of Technology researchers to develop the Einstein Toolkit for simulating black holes, neutron stars, and other astrophysical phenomena. The toolkit will be scaled up to handle exascale-level resources on large supercomputers.
Researchers from RIKEN developed transportable optical lattice clocks to make precise measurements of time dilation effect, validating Einstein's theory of general relativity. The study uses clocks on the base and top of the Tokyo Skytree tower to demonstrate a significant difference in clock speed due to gravity
Dr. Andrzej Dragan and Prof. Artur Ekert propose that the features of quantum mechanics can be explained within the framework of special theory of relativity. They show that superluminal solutions naturally lead to non-deterministic events, multiple trajectories, and probability amplitudes, phenomena associated with quantum mechanics.
Researchers confirm Lorentz Invariance holds true at record-breaking high-energy gamma rays, extending the range where relativity's constant speed of light is valid. The High Altitude Water Cherenkov Observatory detected gamma rays from distant galactic sources, providing powerful proof of Einstein's theory.
Researchers predict a nested series of rings within black hole images, with each successive ring becoming increasingly sharper due to its higher number of orbits around the black hole. This discovery enables new possibilities for observing black holes using only two telescopes far apart.
Theoretical physicists calculate the birth of baby universes 46 times, showing a link between gravity and soliton. The study uses the JT gravity model to demonstrate the unification of quantum mechanics and gravity.
Researchers at Cornell University found that traditional lab models hinder student engagement, while inquiry-based labs promote active learning and ownership over experiments. Exam scores remained the same, but inquiry-based labs improved student attitudes toward experimentation and scientific thinking.
A new study found that general anesthesia in cesarean delivery is associated with a 54% increase in the odds of severe postpartum depression requiring hospitalization. Women who received regional anesthesia had a lower risk of developing suicidal thoughts or self-inflicted injury.
Researchers suggest that axionic dark matter surrounding compact stars can prevent catastrophic magnetic field losses while allowing for abnormal rotation. This theory provides an alternative to previous understanding of rapidly rotating objects with strong magnetic fields.
A new study confirms Lense-Thirring precession - a phenomenon of relativistic frame-dragging - in a distant binary star system. The research observes a long-term drift in the orbital parameters due to the rapidly rotating white dwarf companion, confirming Einstein's general theory of relativity.
An international team of astrophysicists has found evidence for 'frame-dragging', a phenomenon where the spinning of a celestial body twists space and time. The discovery confirms Einstein's theory of General Relativity and provides new insights into the behavior of white dwarfs and neutron stars.
Physicists at PTB and MPIK have developed a method to measure atomic frequencies in highly charged ions, increasing precision by a factor of 100 million. This breakthrough enables the creation of novel atomic clocks and new avenues for searching for new physics.
A new Danish study finds that GPs under mental strain as multimorbidity rises, leading to burnout. The research highlights the need to address working conditions and prevent healthcare inequality.
New research suggests that nearly extreme black holes can appear to regrow hair through a phenomenon known as 'scalar hair', which is made of a massless scalar field. However, this hair is transient and eventually disappears, leaving the black hole bald again.
Researchers propose a new theory on how massive, spinning black holes form near supermassive black holes at the centers of active galactic nuclei. This 'Pac-Man-like' behavior offers a natural explanation for high-mass binary black hole mergers and could help understand galaxy growth.
A new approach to atom interferometers allows for highly sensitive measurements of gravity and could be used in tests of general relativity. The trapped atom design greatly enhances sensitivity and precision over previous iterations, improving the signal-to-noise ratio by over 10,000-fold.
Researchers at Skoltech found that black holes thermalize through the same mechanism as conventional quantum systems, providing insight into quantum gravity. The study confirms the Eigenstate Thermalization Hypothesis in spatially-extended systems, a long-sought proof.
Researchers confirmed an exoplanet with a mass like Neptune, orbiting a cooler star at a similar radius to Earth's orbit. The discovery suggests Neptune-sized planets could be common in this region.
A recent proposal aims to test Einstein's twin paradox using quantum particles in a 'superposition' state. The goal is to measure time passing at different speeds for objects moving at high velocities or near massive objects.
Computer simulations reveal that certain metal complexes can exhibit rapid spin-flip processes, making them useful for precise control of electron spins in quantum computers. The study used enormous computational power to model the behavior of rhenium complex and found a spin-flip process taking place within ten femtoseconds.
A research team investigated the possibility of negative energy in quantum physics, finding that while energy can be less than zero under certain conditions, it must be paid back. The study placed tight bounds on negative energy and connected it to quintessential properties of quantum mechanics.
A new NASA visualization reveals how a black hole distorts space, creating a warped view of its surroundings like a carnival mirror. The extreme gravity bends light from the accretion disk, producing a misshapen appearance.
Researchers expect to greatly enhance measuring accuracy by developing a transportable trap for transporting antiprotons from CERN to Mainz. The project aims to measure fundamental properties of antiprotons with high precision, searching for differences between protons and antiprotons.
A unified framework has been developed to account for the apparent breakdown between classical and quantum physics. Researchers tested this framework using a quantum satellite called Micius, where they produced and measured entangled particles. The results ruled out one version of the theory but left another open to testing.
Researchers have developed a laser prototype that nearly meets the stringent requirements for the Laser Interferometer Space Antenna (LISA) mission. The laser system features a seed laser, YDFA amplifiers, and an optical reference cavity to improve spectral purity and stability.
Astrophysicists detected gravitational wave 'tones' emitted by a merging black hole, validating the 'no-hair theory' and confirming Einstein's general relativity. The breakthrough comes 10 years earlier than expected and opens the era of understanding black holes and their properties.
For the first time, scientists have detected two specific tones, or overtones, in the
Physicists detected the ringing of a newborn black hole for the first time, confirming Einstein's theory and the idea that black holes have no 'hair.' The findings support the notion that black holes are bald-faced giants with no extraneous properties.
Researchers developed a new method to write and read quantum messages with very fast particles, overcoming the limitations of standard techniques. The novel technique guarantees unambiguous decoding even when particles behave according to both quantum mechanics and special relativity.
Physicist Lucas Lombriser proposes a new mathematical manipulation of general relativity equations to harmonize theory and observation on the cosmological constant. Theoretical value is 0.704%, close to the best experimental estimate, resolving a 10121-year discrepancy.
Researchers at the University of Queensland have discovered a new way of understanding time in the quantum world, where events can be in multiple states simultaneously. This 'quantum time order' challenges our classical notion of cause and effect.
Researchers have successfully described what happens when a massive object is placed in a quantum superposition state near clocks, defying classical descriptions. This discovery reveals that quantum time order can arise, leading to new physical effects and potential applications for quantum technologies.
Researchers have discovered that particles and even time itself can exist in a state of superposition, blurring the lines between cause and effect. This phenomenon has significant implications for quantum computing, potentially leading to breakthroughs in operations performance.
Japanese researchers propose a novel holographic framework to simulate black holes with a laboratory experiment. This setup can provide insight into the fundamental laws governing the cosmos at both tiny and vast scales.
Milinda Fernando and Staci Smith receive the fellowship for their work on high-performance algorithms and dynamic re-routing algorithms, respectively. Their research enables efficient use of modern supercomputers in various scientific disciplines.
The brains of individuals with exceptional general knowledge exhibit efficient structural networking, allowing for better information integration and recall. This is evident in a recent study where participants with more efficient fibre networks scored higher on the Bochum Knowledge Test.
A UCLA-led team, led by Andrea Ghez, has conducted the most comprehensive test of general relativity near a supermassive black hole. Their analysis confirms that Einstein's theory is still valid but also reveals its vulnerability in explaining gravity inside a black hole.
Researchers detected gravitational redshift in star orbiting Sagittarius A* black hole, consistent with general relativity. The findings provide a 'transformational change' in understanding supermassive blackholes and their physics.
Researchers observed a supermassive black hole in galaxy NGC 3147 with an unusual thin disk of gas swirling around it, contrary to predictions. The team used Hubble Space Telescope's STIS instrument to study the disk, revealing unique features that can only be explained by Einstein's theories of relativity.
Researchers at Durham University used supercomputer simulations to test Chameleon Theory, an alternative model for gravity. The findings suggest that galaxies like the Milky Way can form even with different laws of gravity, providing a new perspective on galaxy formation and dark energy.
A new study found that veterans with PTSD are twice as likely to die from suicide, accidental injury, and viral hepatitis than the general population. The study also identified age-specific mortality risks for veterans with PTSD.
Angela Salcedo, Saif Khan, and Hui Chen have been recognized as the 2019 recipients of the IADR STAR Network Academy Fellowship. The fellowship supports research experience in renowned labs before or after attending the IADR General Session.
Scientists at Tohoku University create a displacement sensor to measure the gravity of extremely small masses, shedding light on the nature of gravity in quantum regimes. The research enables experimentation with gravitational coupling between small masses, paving the way for new discoveries.
New research identifies three persistent gravitational wave observables that provide insight into the intrinsic properties of gravitational waves. These observables could someday help extract information from the Cosmic Microwave Background, offering a new window on the universe.
Scientists at Duke University discovered that general anesthesia works by hijacking the neural circuitry responsible for sleep and hormone regulation. The study found that certain anesthetic drugs activate a cluster of cells at the base of the brain, leading to unconsciousness and offering potential new avenues for developing pain-free...
The Event Horizon Telescope (EHT) has captured the first direct visual evidence of a supermassive black hole, located 55 million light-years from Earth. The image reveals the black hole's mass is 6.5-billion times that of the Sun.
Scientists have captured the first-ever image of a black hole, which reveals the massive black hole at the center of the galaxy Messier 87. The image was achieved using the Event Horizon Telescope (EHT), an unprecedented Earth-sized virtual telescope linking telescopes around the globe.
The Event Horizon Telescope project has captured the first-ever image of a black hole, located at the heart of galaxy Messier 87. The image reveals a ring-like structure with a dark central region, confirming our understanding of general relativity.
The first real image of a black hole, obtained by EHT telescopes, confirms the predictions made in Jean-Pierre Luminet's 1979 simulation. The image shows an extraordinary accuracy, with characteristics such as the Einstein effect and Doppler shift clearly visible.
A Massachusetts General Hospital study found wide variation in the use of intensive care units and general medical units for non-invasive ventilation, with no difference in outcomes detected between patients treated on either unit. The study analyzed data from over 5,000 patients and found that some hospitals delivered most non-invasiv...
Scientists tested the symmetry of space-time by comparing two atomic clocks, confirming their excellent accuracy and a fundamental hypothesis of the theory of relativity. The experiment improved the limits for testing space-time symmetry by a factor of 100.
A research team from the University of Kansas has earned a $900,000 grant to investigate dark matter and dark energy. The team plans to use supercolliders, neutrino detectors, and computer simulations to search for indications of these mysterious entities.
A simple method to measure continuity of care has been developed, showing benefits for patients, including lower mortality rates. The new St Leonards Index tracks continuity on a monthly basis in practices with personal patient list systems, aiming to help GPs improve continuity and patient care.
A new study published in The Lancet found that one brief exposure to general anesthesia does not result in measurable neurodevelopmental or behavioral problems up to the age of 5 years. However, more research is needed to confirm the findings in girls and children with multiple and prolonged exposure to anesthesia.
Researchers from RIKEN discover that surface electromagnetic waves have a purely topological origin, similar to quantum topological states. This finding explains why these waves appear at interfaces where medium parameters change sign, providing new insights for plasmonics, metamaterials, and topological quantum systems.
A group of researchers proved that whether an object exhibits quantum features depends on the reference frame. The physical laws, however, are still independent of it. This insight might play a role at the interplay of quantum mechanics and gravity.