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Current General relativity News and Events

Current General relativity News and Events, General relativity News Articles.
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Tabletop quantum experiment could detect gravitational waves
Tiny diamond crystals could be used as an incredibly sensitive and small gravitational detector capable of measuring gravitational waves, suggests new UCL-led research. (2020-07-01)
Minority students can become 'hyperpersistent' when they achieve better than middling grades
Scientists report that undergraduate students from underrepresented groups who score below a C- in general chemistry are less likely to persist in STEM classes than their classmates with similar grades, but they are much more likely than their peers to persist if they earn a C+ or better. (2020-06-10)
Black holes? They are like a hologram
Spherical, smooth and simple according to the theory of relativity, or extremely complex and full of information as, according to quantum laws, Stephen Hawking used to say? (2020-06-03)
NUI Galway mathematician publishes article in world's top mathematics journal
An Irish mathematician, Dr Martin Kerin, from the School of Mathematics, Statistics and Applied Mathematics at NUI Galway, has had a research article published in the Annals of Mathematics, widely regarded as the top journal for pure mathematics in the world. (2020-05-28)
ALMA spots twinkling heart of milky way
Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) found quasi-periodic flickers in millimeter-waves from the center of the Milky Way, Sagittarius (Sgr) A*. (2020-05-22)
Quantum jump tipping the balance
Measuring tiny differences in mass between different quantum states provides new insights into heavy atoms. (2020-05-07)
ESO telescope sees star dance around supermassive black hole, proves Einstein right
Observations made with ESO's Very Large Telescope (VLT) have revealed for the first time that a star orbiting the supermassive black hole at the centre of the Milky Way moves just as predicted by Einstein's general theory of relativity. (2020-04-16)
Scientists use the Tokyo Skytree to test Einstein's theory of general relativity
In another verification of the validity of Einstein's theory of general relativity, published in Nature Photonics, scientists from the RIKEN Center for Advanced Photonics and Cluster for Pioneering Research, with colleagues, have used two finely tuned optical lattice clocks, one at the base and one on the 450-meter observatory floor of Tokyo Skytree, to make new ultraprecise measurements of the time dilation effect predicted by Einstein's theory of general relativity. (2020-04-09)
Does relativity lie at the source of quantum exoticism?
Since its beginnings, quantum mechanics hasn't ceased to amaze us with its peculiarity, so difficult to understand. (2020-04-02)
LANL news: High altitude water Cherenkov Observatory tests speed of light
New measurements confirm, to the highest energies yet explored, that the laws of physics hold no matter where you are or how fast you're moving. (2020-03-30)
Black hole team discovers path to razor-sharp black hole images
A team of researchers have published new calculations that predict a striking and intricate substructure within black hole images from extreme gravitational light bending. (2020-03-18)
Witnessing the birth of baby universes 46 times: The link between gravity and soliton
Scientists have been attempting to come up with an equation to unify the micro and the macro laws of the universe; quantum mechanics and gravity. (2020-02-27)
Inquiry-based labs give physics students experimental edge
New Cornell University research shows that traditional physics labs, which strive to reinforce the concepts students learn in lecture courses, can actually have a negative impact on students. (2020-02-11)
New argument presented to highlight the axion nature of dark matter
According to the hypothesis, axionic dark matter, provoking structural rearrangement in compact stars with a strong magnetic field, can protect them from a catastrophic loss of magnetic energy, but at the same time allows such objects to rotate abnormally fast. (2020-02-03)
Pulsar-white dwarf binary system confirms general relativistic frame-dragging
A century after it was first theorized, researchers have detected the effects of Lense-Thirring precession -- an effect of relativistic frame-dragging -- in the motion of a distant binary star system, a new study reports. (2020-01-30)
Astronomers witness the dragging of space-time in stellar cosmic dance
An international team of astrophysicists led by Australian Professor Matthew Bailes, from the ARC Centre of Excellence of Gravitational Wave Discovery (OzGrav), has shown exciting new evidence for 'frame-dragging'-- how the spinning of a celestial body twists space and time -- after tracking the orbit of a stellar pair for almost two decades. (2020-01-30)
Quantum logic spectroscopy unlocks potential of highly charged ions
Scientists from the PTB and the Max Planck Institute for Nuclear Physics (MPIK), both Germany, have carried out pioneering optical measurements of highly charged ions with unprecedented precision. (2020-01-29)
Multimorbidity leads to general practitioners suffering burnout
The risk of general practitioners (GPs) suffering burnout increases with the number of patients with complex medical histories. (2020-01-23)
RIT and IAR observe pulsars for the first time from South America
A team from RIT and the Instituto Argentino de Radioastronomía (IAR) upgraded two radio telescopes in Argentina that lay dormant for 15 years in order to study pulsars, rapidly rotating neutron stars with intense magnetic fields that emit notably in radio wavelengths. (2019-12-17)
New study suggests 'Pac-Man-like' mergers could explain massive, spinning black holes
Scientists have reported detecting gravitational waves from 10 black hole mergers to date, but they are still trying to explain the origins of those mergers. (2019-11-08)
Trapping versus dropping atoms expands 'interrogation' to 20 seconds
Trapped atoms, suspended aloft on a lattice of laser light for as long as 20 seconds, allow for highly sensitive measurements of gravity, according to a new study, which describes a new approach to atom interferometers. (2019-11-07)
Black holes sometimes behave like conventional quantum systems
A group of Skoltech researchers led by Professor Anatoly Dymarsky have studied the emergence of generalized thermal ensembles in quantum systems with additional symmetries. (2019-11-05)
Worldwide observations confirm nearby 'lensing' exoplanet
Researchers using telescopes around the world confirmed and characterized an exoplanet orbiting a nearby star through a rare phenomenon known as gravitational microlensing. (2019-11-01)
Putting the 'bang' in the Big Bang
Physicists at MIT, Kenyon College, and elsewhere have simulated in detail an intermediary phase of the early universe that may have bridged cosmic inflation with the Big Bang. (2019-10-25)
Quantum paradox experiment may lead to more accurate clocks and sensors
More accurate clocks and sensors may result from a recently proposed experiment, linking an Einstein-devised paradox to quantum mechanics. (2019-10-15)
The fast dance of electron spins
Metal complexes show a fascinating behavior in their interactions with light, which for example is utilized in organic light emitting diodes, solar cells, quantum computers, or even in cancer therapy. (2019-10-04)
Quantum vacuum: Less than zero energy
According to quantum physics, energy can be 'borrowed' -- at least for some time. (2019-10-02)
NASA visualization shows a black hole's warped world
A new visualization of a black hole illustrates how its gravity distorts our view, warping its surroundings as if viewed in a funhouse mirror. (2019-09-25)
New model proposes jets go superluminal in gamma-ray bursts
Blasts that create gamma-ray bursts may actually exceed the speed of light in surrounding gas clouds, but do so without violating Einstein's theory of relativity. (2019-09-24)
Bridge between quantum mechanics and general relativity still possible
An international team of researchers developed a unified framework that would account for this apparent break down between classical and quantum physics, and they put it to the test using a quantum satellite called Micius. (2019-09-19)
WVU astronomers help detect the most massive neutron star ever measured
West Virginia University researchers have helped discover the most massive neutron star to date, a breakthrough uncovered through the Green Bank Telescope. (2019-09-16)
Most massive neutron star ever detected, almost too massive to exist
Astronomers using the GBT have discovered the most massive neutron star to date, a rapidly spinning pulsar approximately 4,600 light-years from Earth. (2019-09-16)
'Ringing' black hole validates Einstein's general relativity 10 years ahead of schedule
For the first time, astrophysicists have heard a black hole ringing like a bell. (2019-09-12)
Scientists detect the ringing of a newborn black hole for the first time
Physicists from MIT and elsewhere have 'heard' the ringing of an infant black hole for the first time, and found that the pattern of this ringing does, in fact, predict the black hole's mass and spin -- more evidence that Einstein was right all along. (2019-09-11)
First 'overtones' heard in the ringing of a black hole
By listening for specific tones in the gravitational waves of black hole mergers, researchers are putting Albert Einstein's theories to new tests. (2019-09-11)
Are black holes made of dark energy?
Two University of Hawaii at Manoa researchers have identified and corrected a subtle error that was made when applying Einstein's equations to model the growth of the universe. (2019-09-09)
A new alphabet to write and read quantum messages with very fast particles
Quantum information relies on the possibility of writing messages in a quantum particle and reading them out in a reliable way. (2019-09-03)
Providing a solution to the worst-ever prediction in physics
The cosmological constant introduced a century ago by Albert Einstein is a thorn in the side of physicists. (2019-08-29)
Physicists mash quantum and gravity and find time, but not as we know it
A University of Queensland-led international team of researchers say they have discovered ''a new kind of quantum time order''. (2019-08-25)
In a quantum future, which starship destroys the other?
Quantum mechanics boasts all sorts of strange features, one being quantum superposition -- the peculiar circumstance in which particles seem to be in two or more places or states at once. (2019-08-22)
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