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Current General relativity News and Events

Current General relativity News and Events, General relativity News Articles.
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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)
Quantum gravity's tangled time
The theories of quantum mechanics and gravity are notorious for being incompatible, despite the efforts of scores of physicists over the past fifty years. (2019-08-22)
Black hole holograms
Japanese researchers show how a holographic tabletop experiment can be used to simulate the physics of a black hole. (2019-08-19)
A key piece to understanding how quantum gravity affects low-energy physics
In a new study, led by researchers from SISSA (Scuola Internazionale Superiore di Studi Avanzati), the Complutense University of Madrid and the University of Waterloo, a solid theoretical framework is provided to discuss modifications to the Unruh effect caused by the microstructure of space-time. (2019-08-08)
What the brains of people with excellent general knowledge look like
The brains of people with excellent general knowledge are particularly efficiently wired. (2019-07-31)
Einstein's general relativity theory is questioned but still stands for now, team reports
More than 100 years after Albert Einstein published his iconic theory of general relativity, it's beginning to fray at the edges, said Andrea Ghez, UCLA professor of physics and astronomy. (2019-07-25)
A test of general relativity at the galaxy's center suggests Einstein's theory still holds
In a detailed study of a star orbiting the supermassive black hole at the center of our galaxy, researchers report that Einstein's theory of general relativity (GR) accurately describes the behavior of light struggling to escape the gravity around this massive structure. (2019-07-25)
NIST's quantum logic clock returns to top performance
The quantum logic clock -- perhaps best known for showing you age faster if you stand on a stool -- has climbed back to the leading performance echelons of the world's experimental atomic clocks. (2019-07-15)
Hubble uncovers black hole that shouldn't exist
As if black holes weren't mysterious enough, astronomers using NASA's Hubble Space Telescope have found an unexpected thin disk of material furiously whirling around a supermassive black hole at the heart of the magnificent spiral galaxy NGC 3147, located 130 million light-years away. (2019-07-11)
Hubble discovers mysterious black hole disc
Astronomers using the NASA/ESA Hubble Space Telescope have observed an unexpected thin disc of material encircling a supermassive black hole at the heart of the spiral galaxy NGC 3147, located 130 million light-years away. (2019-07-11)
Supercomputer shows 'Chameleon Theory' could change how we think about gravity
Supercomputer simulations of galaxies have shown that Einstein's theory of General Relativity might not be the only way to explain how gravity works or how galaxies form. (2019-07-08)
Most-detailed-ever simulations of black hole solve longstanding mystery
An international team has constructed the most detailed, highest resolution simulation of a black hole to date. (2019-06-05)
Development of a displacement sensor to measure gravity of smallest source mass ever
One of the most unknown phenomena in modern physics is gravity. (2019-05-17)
Gravitational waves leave a detectable mark, physicists say
New research shows that gravitational waves leave behind plenty of 'memories' that could help detect them even after they've passed. (2019-05-09)
Telescopes in space for even sharper images of black holes
Astronomers have just managed to take the first image of a black hole, and now the next challenge facing them is how to take even sharper images, so that Einstein's Theory of General Relativity can be tested. (2019-05-06)
First demonstration of antimatter wave interferometry
An international collaboration with participation of the University of Bern has demonstrated for the first time in an interference experiment that antimatter particles also behave as waves besides having particle properties. (2019-05-03)
Spinning black hole sprays light-speed plasma clouds into space
Astronomers have discovered rapidly swinging jets coming from a black hole almost 8,000 light-years from Earth. (2019-04-29)
Peeling back the darkness of M87
Supercomputers at The University of Texas at Austin's Texas Advanced Computing Center (TACC) enabled researchers to confirm the accuracy, and interpret features of, the first-of-its-kind image of a black hole obtained by the Event Horizon Telescope. (2019-04-15)
DIY gravitational waves with 'BlackHoles@Home'
Researchers hoping to better interpret data from the detection of gravitational waves generated by the collision of binary black holes are turning to the public for help. (2019-04-13)
Astronomers capture first image of a black hole
The Event Horizon Telescope (EHT) -- a planet-scale array of eight ground-based radio telescopes forged through international collaboration -- was designed to capture images of a black hole. (2019-04-10)
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