Relativity
InSight detects gravity waves, low rumbles and devilish dust  PHYS.ORG · 12 hours
More than a year after NASA's Mars InSight lander touched down in a pebble-filled crater on the Martian equator, the rusty red planet is now serving up its meteorological secrets:... more
How earthquakes deform gravity  PHYS.ORG · 4 days
Lightning—one, two, three—and thunder. For centuries, people have estimated the distance of a thunderstorm from the time between lightning and thunder. The greater the time gap between the two signals, the further away the observer is from the location of... more
Twisted radio beams in space reveal unique properties of black holes  nanowerk · 4 days
An international research team that has detected twisted radio beams from the famous black hole in the M87 galaxy. The radiation discovered reveals unique properties of... more
In acoustic waves, engineers break reciprocity with 'spacetime-varying metamaterials'  nanowerk · 5 days
Scientists have experimentally demonstrated that it?s possible to break reciprocity in acoustic waves with material properties that change simultaneously in time and space. more
Kazan University's Telescope Assists in Discovering Invisible Stars  ASTRO WATCH · 6 days
A sizable international team published findings about the discovery of a new binary star in Astronomy & Astrophysics. A co-author... more
BECEP array installed at South Pole  PHYS.ORG · 6 days
Professor Clem Pryke and his group are on their way back to Minnesota from the South Pole in Antarctica after completing installation of the new BICEP Array Telescope. Over the next few years this specialized radio... more
Pancreatic cancer 'time machine' reveals tumor development and invasion  NEWS MEDICAL · 7 days
Pancreatic cancer has one of the worst survival rates among cancers. Patients can expect as low as a 9% chance to live for at least five years after being diagnosed. more
Pancreatic cancer 'time machine' reveals cancer development and invasion  NEWS MEDICAL · 7 days
Pancreatic cancer has one of the worst survival rates among cancers. Patients can expect as low as a 9% chance to live for at least five years after being diagnosed. more
Breakthrough Listen Scientists Release New Data from SETI Survey of Milky Way  SCI-NEWS.COM · 1 week
The Breakthrough Listen Initiative, the largest ever scientific research program aimed at finding evidence of alien civilizations, has released data from the most comprehensive... more
Flat lens gets ahead of the optical curve  nanowerk · 1 week
Researchers dotted metasurfaces with 600-nanometer-high silicon cylinders that alters the path and speed of light as it passes through them. more
A submillimeter survey of protostars  PHYS.ORG · 1 week
The formation of stars involves the complex interactions of many phenomena, including gravitational collapse, magnetic fields, turbulence, stellar feedback, and cloud rotation. The balance between these effects varies significantly between sources, and astronomers have adopted a statistical approach... more
Galaxy Formation Simulated Without Dark Matter  ASTRO WATCH · 1 week
For the first time, researchers from the Universities of Bonn and Strasbourg have simulated the formation of galaxies in a universe without dark matter.... more
Breakthrough Listen releases 2 petabytes of data from SETI survey of Milky Way  PHYS.ORG · 2 weeks
The Breakthrough Listen Initiative today released data from the most comprehensive survey yet of radio emissions from the plane of the Milky... more
Multi-octave, CEP-stable source for high-energy field synthesis  Science Magazine · 2 weeks
The development of high-energy, high-power, multi-octave light transients is currently the subject of intense research driven by emerging applications in attosecond spectroscopy and coherent control. We report on a phase-stable, multi-octave source based on... more
Scientists propose new properties in hollow multishell structure  nanowerk · 2 weeks
The Chinese puzzle ball is an ornate decorative artwork consisting of several concentric shells that move independently of each other. In the past decade, scientists provided a universal method for the fabrication... more
Pancreatic cancer 'time machine' exposes plot twist in cell growth and invasion  PHYS.ORG · 2 weeks
Pancreatic cancer has one of the worst survival rates among cancers. Patients can expect as low as a 9% chance to live for at... more
Record-setting astronaut feels good after near year in space  PHYS.ORG · 2 weeks
NASA's new record-setting astronaut said Wednesday that aside from sore muscles and trouble with balance, she's readjusting well to gravity after nearly 11 months in space. more
Asteroid experts catch final glimpse of Solar Orbiter  PHYS.ORG · 2 weeks
Last night, ESA's Planetary Defence team observed the rare moment in which an object escaped our planet's gravity, in contrast to their normal objects of study—potentially hazardous rocks that could strike it. more
Asteroid experts catch final glimpse of Solar Orbiter  ESA · 2 weeks
Image: Last night, ESA’s Planetary Defence team observed the rare moment in which an object escaped our planet’s gravity, in... more
Exploring Strangeness and the Primordial Universe  ASTRO WATCH · 2 weeks
Having studied quark-gluon plasma since the late 1970s, Dr Johann Rafelski summarizes the evolution in our understanding of the exotic quark signature of this... more
New progress in turbulent combustion modeling: Filtered flamelet model  PHYS.ORG · 3 weeks
In turbulent combustion, the interaction between a strong nonlinear reaction source and turbulence leads to a broad spectrum of the spatio and temporal scales. From the modeling point of view,... more
Simulating a universe in which Newton's laws are only partially valid  SCIENCE DAILY · 3 weeks
For the first time, researchers have simulated the formation of galaxies in a universe without dark matter. To replicate this process on the computer, they have... more
Galaxy formation simulated without dark matter  PHYS.ORG · 3 weeks
For the first time, researchers from the Universities of Bonn and Strasbourg have simulated the formation of galaxies in a universe without dark matter. To replicate this process on the computer, they have instead modified Newton's... more
Black holes eat stars in variable mood lighting  PHYS.ORG · 3 weeks
When a black hole chews up a star, it produces visible light or X-rays, but astronomers have almost never detected both types of radiation. Astronomer Peter Jonker (SRON / Radboud University) and... more
SPIDER mission will assemble and manufacture a communications antenna in space  PHYS.ORG · 3 weeks
It has been suggested that if humanity truly wants to embark on a renewed era of space exploration, one of the key ingredients is the ability... more
Two invisible stars are bending space-time deep in the Milky Way  LIVE SCIENCE · 3 weeks
Astronomers uncovered a pair of invisible stars creating ripples in space-time, a phenomenon known as gravitational lensing. more
Fit for space – survival training  ESA · 3 weeks
Video: 00:05:59 In the third episode of our ‘Fit for space’ training series, ESA astronaut Matthias Maurer explains how astronauts learn to survive on... more
Astronomers search for gravitational-wave memory  PHYS.ORG · 3 weeks
Astronomers regularly observe gravitational waves (GW)—ripples in space and time—that are caused by pairs of black holes merging into one. Einstein's theory of gravity predicts that GW, which squeeze and stretch space as they pass, will permanently distort... more
Study finds the fingerprint of paddy rice in atmospheric methane concentration dynamics  PHYS.ORG · 3 weeks
A University of Oklahoma-led study shows that paddy rice (both area and plant growth) is significantly related to the spatial-temporal dynamics of atmospheric methane... more
Showing how the tiniest particles in our universe saved us from complete annihilation  SCIENCE DAILY · 3 weeks
Gravitational waves could contain evidence to prove that neutrino particles reshuffled matter and anti-matter, explains a new study. more
Showing how the tiniest particles in our Universe saved us from complete annihilation  PHYS.ORG · 3 weeks
Recently discovered ripples of spacetime called gravitational waves could contain evidence to prove the theory that life survived the Big Bang because... more
Driving massive galaxy outflows with supermassive blackholes  PHYS.ORG · 3 weeks
Active galactic nuclei (AGN) are supermassive black holes at the centers of galaxies that are accreting material onto their hot circumnuclear disks, releasing the energy in bursts of radiation or as particle jets moving... more
Exotic Binary System Confirms Relativistic Frame-Dragging  SCI-NEWS.COM · 4 weeks
An international team of astronomers has found exciting new evidence for Lense-Thirring precession — an effect of relativistic frame-dragging — after tracking the pulsar-white... more
Calculating Hawking radiation at the event horizon of a black hole  PHYS.ORG · 4 weeks
A RUDN University physicist has developed a formula for calculating Hawking radiation on the event horizon of a black hole, which allows physicists to determine how... more
Exploring strangeness and the primordial Universe  PHYS.ORG · 4 weeks
Physicists believe that in the Universe's first ten microseconds free quarks and gluons filled all of spacetime, forming a new phase of matter named 'quark-gluon plasma' (QGP). Experimental and theoretical work at CERN was instrumental in... more
Space-time is swirling around a dead star, proving Einstein right again  LIVE SCIENCE · 4 weeks
The way the fabric of space and time swirls in a cosmic whirlpool around a dead star has confirmed yet another prediction from Einstein's theory of... more
Solar Orbiter operations simulations  ESA · 4 weeks
Video: 00:03:15 ESA's Solar Orbiter is getting ready for its launch on an Atlas V rocket provided by NASA and operated by United Launch Alliance from Cape Canaveral,... more
Fast rotating white dwarf drags its space-time in a cosmic dance  nanowerk · 4 weeks
With the help of a radio pulsar, an international team of scientists were able to detect the swirling of the space-time around its fast-rotating white dwarf-companion... more
Lense-Thirring frame dragging induced by a fast-rotating white dwarf in a binary pulsar system  Science Magazine · 4 weeks
Radio pulsars in short-period eccentric binary orbits can be used to study both gravitational dynamics and binary evolution. The binary... more
Astronomers witness the dragging of space-time in stellar cosmic dance  PHYS.ORG · 4 weeks
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... more
The role of temporal fluctuations for the swing feel in jazz music  PHYS.ORG · 4 weeks
In 1931, Duke Ellington and Irving Mills dedicated a song to the phenomenon of swing, which they called "It Don't Mean a Thing, If... more
Meteorite chunk contains unexpected evidence of presolar grains  SCIENCE DAILY · 4 weeks
An unusual chunk in a meteorite may contain a surprising bit of space history. Presolar grains -- tiny bits of solid interstellar material formed before the sun was born -- are sometimes... more
Swing feel in jazz music: The role of temporal fluctuations  SCIENCE DAILY · 4 weeks
In 1931, Duke Ellington and Irving Mills even dedicated a song to the phenomenon of swing which they called "It Don't Mean a Thing, If It Ain't Got... more
Astrophysicists construct approximations for the metric of spherically symmetric black holes  PHYS.ORG · 4 weeks
RUDN astrophysicists have proposed a new method for approximate calculation of the parameters of spherically symmetric black holes in the Einstein-Maxwell theory. By comparing the shadow... more
NASA's Interstellar Mapping and Acceleration Probe mission enters design phase  PHYS.ORG · 4 weeks
A mission to study the interaction of the solar wind with the ancient cast-off winds of other stars, and the fundamental process of particle acceleration in space, has... more
Taking the Temperature of Dark Matter  ASTRO WATCH · 1 month
Warm, cold, just right? Physicists at the University of California, Davis are taking the temperature of dark matter, the mysterious substance that makes up... more
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