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3,474 articles

'Spooky action at a distance': Researchers develop module for quantum repeater
Jun 11, 2018 (SPX)
In classical telecommunication, the increasing attenuation of the signal is counteracted by measuring, amplifying and re-sending it in so-called repeater statio...
Astronomers find a galaxy unchanged since the early universe
Jun 11, 2018 (SPX)
Globular clusters are groups of stars which orbit round the outskirts of galaxies and they were formed with the galaxies at their birth. There are two types of ...
Tumultuous galaxy mergers better at switching on black holes
Jun 11, 2018 (SPX)
When two galaxies collide, the supermassive black holes that sit at their centers also smash together. But before they do, these galaxies often flicker on, abso...
Data discrepancies may affect understanding of Universe
Jun 08, 2018 (SPX)
As astrophysicists look for answers in the mountains of data gathered from astronomical observations, they are finding that inconsistencies in that data might u...
Dark inflation opens up a gravitational window onto the first moments after the Big Bang
Jun 08, 2018 (SPX)
What do we know about the evolution of Universe immediately after the Big Bang? In spite of extensive research carried out over decades, current cosmological mo...
New tools reveal prelude to chaos
Jun 07, 2018 (SPX)
Individual animals depart at different angles from the herd and then at different angles from their original departure and so on until "the cows come home." In ...
Data discrepancies may affect understanding of the universe
Jun 07, 2018 (SPX)
As astrophysicists look for answers in the mountains of data gathered from astronomical observations, they are finding that inconsistencies in that data might u...
Globular clusters 4 billion years younger than previously thought
Jun 06, 2018 (SPX)
Comprised of hundreds of thousands of stars densely packed into a tight ball, globular clusters had been thought to be almost as old as the Universe itself - bu...
NIST atomic clock comparison confirms key assumptions of 'Einstein's elevator'
Jun 05, 2018 (SPX)
The NIST result, made possible by continual improvements in the world's most accurate atomic clocks, yields a record-low, exceedingly small value for a quantity...
Spooky quantum particle pairs fly like weird curveballs
Jun 05, 2018 (SPX)
In fact, ultracold paired particles called fermions must behave even weirder than physicists previously thought, according to theoretical physicists from the Ge...
CERN scientists find link between Higgs boson, two top quarks
Jun 04, 2018 (UPI)
Because of the Higgs boson's reputation as a giver of mass and the top quark's status as physics' heaviest particle, scientists assumed the two were linked. But...
Here is what it looks like, when a massive black hole devours a star
May 31, 2018 (SPX)
In the figure we see a cross section of what happens when the material from the disrupted star is devoured by the black hole. An accretion disk is formed (disk)...
Black holes from an exacomputer
May 31, 2018 (SPX)
This has now been simulated by researchers from Goethe University Frankfurt and the Frankfurt Institute for Advanced Studies (FIAS) using a novel numerical meth...
New model explains what we see when a massive black hole devours a star
May 30, 2018 (SPX)
The breakthrough study, published in Astrophysical Journal Letters, provides a new theoretical perspective for a fast-growing research field. "Only in the last ...
Using the K computer, scientists predict exotic 'di-Omega' particle
May 29, 2018 (SPX)
Particles known as "baryons" - principally protons and neutrons - are composed of three quarks bound tightly together, with their charge depending on the "color...
Matter-antimatter asymmetry may interfere with the detection of neutrinos
May 29, 2018 (SPX)
In the first moments after the Big Bang, the Universe was filled with equal amounts of particles and antiparticles. While it was cooling down, matter and antima...
Physicists leap into quantum computing with first simulations of atomic nucleus
May 28, 2018 (SPX)
Quantum computing, in which computations are carried out based on the quantum principles of matter, was proposed by American theoretical physicist Richard Feynm...
APEX offers up-close view of black hole's event horizon
May 25, 2018 (UPI)
Five years ago, astronomers outfitted APEX with the equipment needed to be integrated into a global network of antennas known as Event Horizon Telescope. The ad...
Can a quantum drum vibrate and stand still at the same time?
May 22, 2018 (SPX)
A team of researchers from the UK and Australia have made a key step towards understanding the boundary between the quantum world and our everyday classical wor...
A quantum entanglement between two physically separated ultra-cold atomic clouds
May 21, 2018 (SPX)
In the experiment, they achieved quantum entanglement between two ultra-cold atomic clouds, known as Bose-Einstein condensates, in which the two ensembles of at...
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