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November 27, 2014
Using supermassive black holes to measure cosmic distances
Copenhagen, Denmark (SPX) Nov 28, 2014
One of the major problems in astronomy is measuring very large distances in the universe. The current most common methods measure relative distances, but now research from the Niels Bohr Institute demonstrates that precise distances can be measured using supermassive black holes. The results are published in the scientific journal, Nature. The active galaxy NGC 4151 called the, 'Eye of Sauron' due to its similarity to the eye in the film Lord of the Rings, is a modest spiral galaxy. It has a super ... read more

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Satellite Services supplies on-board sub-systems for smallsats and microsats.
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Astrophysicist says wormholes of 'Interstellar' unlikely to exist
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ASU joins pathbreaking radio telescope project to study early universe
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The mysterious 'action at a distance' between liquid containers
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Study details laser pulse effects on behavior of electrons
By solving a six-dimensional equation that had previously stymied researchers, University of Nebraska-Lincoln physicists have pinpointed the characteristics of a laser pulse that yields electron beh ... more
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Van der Waals force re-measured
Although the van der Waals force was discovered around 150 years ago, it is still difficult to quantify when predicting the behaviour of solids, liquids, and molecules. Precise measurements were onl ... more
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Particles, Waves and Ants
A drunken sailor staggers onto a square with lots of streetlamps on it. Sometimes he will run into one of the lamps, change his direction and keep moving. Does the time he spends on this square depe ... more
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Time in Space Exposes Materials to the Test of Time
Much like that pickup truck rusting in your backyard thanks to time, rain and the elements, extended stays in the brutal environment of space can take its toll on spacecraft, satellites and space st ... more
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Spooky alignment of quasars across billions of light-years
Quasars are galaxies with very active supermassive black holes at their centres. These black holes are surrounded by spinning discs of extremely hot material that is often spewed out in long jets al ... more
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Physicist Helps Discover Subatomic Particles
A physicist in the College of Arts and Sciences is the lead contributor to the discovery of two never-before-seen baryonic particles. The finding, which is the subject of a forthcoming article in Ph ... more
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Mystery space object: Black hole or exploding star?
For those who grew up on Windows 95, the befuddling new images from Pan-STARRS telescope will likely be instantly recognizable as the click of the spray can on Microsoft Paint. ... more
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Two new baryon particles discovered; aligns with York prediction
An international team of researchers announced the discovery of two new particles in the baryon family, which makes them cousins of the familiar proton and neutron. The LHCb collaboration at CERN, t ... more
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Researchers Advance 'Quantum Teleportation'
The world at the quantum level, at the scale of particles too small for the eye to see, is very strange. It's possible, for instance, to have two particles that are "entangled" - that is, they func ... more
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Swift Probes Exotic Object: Black Hole or Mega Star?
An international team of researchers analyzing decades of observations from many facilities, including NASA's Swift satellite, has discovered an unusual source of light in a galaxy some 90 million l ... more
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Gravity may have saved the universe after the Big Bang
New research by a team of European physicists could explain why the universe did not collapse immediately after the Big Bang. Studies of the Higgs particle - discovered at CERN in 2012 and responsib ... more
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New model clarifies photoexcited thin-film lattice dynamics
A research team from Germany developed an analytical model to describe the structural dynamics of photoexcited thin films and verified it by ultrafast X-ray diffraction. Lattice dynamics, atomic mov ... more
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Field-emission plug-and-play solution for microwave electron guns
On a quest to design an alternative to the two complex approaches currently used to produce electrons within microwave electron guns, a team of researchers from Euclid TechLabs and Argonne National ... more
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Twisted light waves sent across Vienna
A group of researchers from Austria have sent twisted beams of light across the rooftops of Vienna. It is the first time that twisted light has been transmitted over a large distance outdoors, and c ... more
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Cardiff scientists help unlock secrets of the Universe
A team of Cardiff University researchers have made a breakthrough in helping scientists discover hundreds of black holes throughout the universe. When two detectors are switched on in the US next ye ... more
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Spiral laser beam creates quantum whirlpool
Physicists at ANU have engineered a spiral laser beam and used it to create a whirlpool of hybrid light-matter particles called polaritons. "Creating circulating currents of polaritons - vortices - ... more
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    Researchers discern the shapes of high-order Brownian motions
    For the first time, scientists have vividly mapped the shapes and textures of high-order modes of Brownian motions--in this case, the collective macroscopic movement of molecules in microdisk resona ... more
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    Good vibrations give electrons excitations
    For more than 50 years, scientists have debated what turns particular oxide insulators, in which electrons barely move, into metals, in which electrons flow freely. Some scientists sided with Nobel ... more
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    A Piece of the Quantum Puzzle
    While the Martinis Lab at UC Santa Barbara has been focusing on quantum computation, former postdoctoral fellow Pedram Roushan and several colleagues have been exploring qubits (quantum bits) for qu ... more
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    NASA X-ray Telescopes Find Black Hole May Be a Neutrino Factory
    The giant black hole at the center of the Milky Way may be producing mysterious particles called neutrinos. If confirmed, this would be the first time that scientists have traced neutrinos back to a ... more
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    UT Arlington physics group combining photonics and biotech
    A University of Texas at Arlington physics team is using their expertise in the field of optics and photonics to advance new methods in areas such as mapping the neural circuitry of the brain and gu ... more
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    Noise in a microwave amplifier is limited by quantum particles of heat
    As part of an international collaboration, scientists at Chalmers University of Technology have demonstrated how noise in a microwave amplifier is limited by self-heating at very low temperatures. ... more
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    Atomic timekeeping, on the go
    What time is it? The answer, no matter what your initial reference may be - a wristwatch, a smartphone, or an alarm clock - will always trace back to the atomic clock. The international stan ... more
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    New electron spin secrets revealed
    Researchers from the Norwegian University of Science and Technology (NTNU) and the University of Cambridge in the UK have demonstrated that it is possible to directly generate an electric current in ... more
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