News About Time And Space
November 17, 2017
HAWC collaboration sheds light on origin of anti-matter
Washington DC (SPX) Nov 17, 2017
A mountaintop observatory about four hours east of Mexico City, built and operated by an international team of scientists, has captured the first wide-angle view of gamma rays emanating from two rapidly spinning stars. The High-Altitude Water Cherenkov (HAWC) Gamma-Ray Observatory offers perspective on the very high energy light streaming from our stellar neighbors and casts serious doubt on one possible origin for a mysterious excess of anti-matter particles near Earth. In 2008, a space-bor ... read more

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The unbelievable speed of electron emission from an atom
In a unique experiment, researchers have clocked how long it takes for an electron to be emitted from an atom. The result is 0.000 000 000 000 000 02 seconds, or 20 billionths of a billionth of a se ... more
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Electron backscatter diffraction yields microstructure insights
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Molecular magnetism packs power with 'messenger electron'
Electrons can be a persuasive bunch, or at least, a talkative bunch, according to new work from John Berry's lab at the University of Wisconsin-Madison. The spins of unpaired electrons are the ... more
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Where did those electrons go? X-ray measurements solve decades-old mystery
The concept of "valence" - the ability of a particular atom to combine with other atoms by exchanging electrons - is one of the cornerstones of modern chemistry and solid-state physics. Valenc ... more
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A quasiparticle quest
What kinds of 'particles' are allowed by nature? The answer lies in the theory of quantum mechanics, which describes the microscopic world. In a bid to stretch the boundaries of our understand ... more
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University of Chicago scientists see fireworks from atoms at ultra-low temperatures
Scientists aren't normally treated to fireworks when they discover something about the universe. But a team of University of Chicago researchers found a show waiting for them at the atomic level - a ... more
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NIST's new patent-pending method supplies entangled atoms fast
Physicists at the National Institute of Standards and Technology (NIST) have come up with a way to link a group of atoms' quantum mechanical properties among themselves far more quickly than is curr ... more
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Theoretical physicists are modeling complex quantum processes with cold atoms and ions
A group of researchers from Russia, Germany and Iran develops computational methods for creating a theory describing the behavior of cold atoms and ions in optical and electromagnetic traps. There i ... more

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Cosmos code helps probe space oddities
Black holes make for a great space mystery. They're so massive that nothing, not even light, can escape a black hole once it gets close enough. A great mystery for scientists is that there's evidenc ... more
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Powerful new telescope observes one of the oldest objects in the universe
Astronomers using the Large Millimeter Telescope (LMT), which is operated jointly by the University of Massachusetts Amherst and Mexico's Instituto Nacional de Astrofisica, Optica y Electronica, rep ... more
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A bit of a 'quantum magic trick'
An accurate analog clock tick-tick-ticks with a constant precision and well known frequency: one tick per second. The longer you let it tick, the better to test its accuracy --10 times as long corre ... more
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Physicists: The wave properties of particles can manifest in collisions
Dmitry Karlovets, senior researcher at the TSU Faculty of Physics, with Valery Serbo from the Institute of Mathematics of the SB RAS, has shown that it is possible to observe the wave properties of ... more
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Lens trick doubles odds for quantum interaction
It's not easy to bounce a single particle of light off a single atom that is less than a billionth of a metre wide. However, researchers at the Centre for Quantum Technologies at the National Univer ... more
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Physicists show how lifeless particles can become 'life-like' by switching behaviors
Physicists at Emory University have shown how a system of lifeless particles can become "life-like" by collectively switching back and forth between crystalline and fluid states - even when the envi ... more
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Quantum dots visualize tiny vibrational resonances
In the late 18th century, Ernst Chladni, a scientist and musician, discovered that the vibrations of a rigid plate could be visualized by covering it with a thin layer of sand and drawing a bow acro ... more
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NuSTAR Probes Black Hole Jet Mystery
Black holes are famous for being ravenous eaters, but they do not eat everything that falls toward them. A small portion of material gets shot back out in powerful jets of hot gas, called plasma, th ... more

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Monster colliding black holes might lurk on the edge of spiral galaxies
The outskirts of spiral galaxies like our own could be crowded with colliding black holes of massive proportions and a prime location for scientists hunting the sources of gravitational waves, said ... more
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Minor merger kicks supermassive black hole into high gear
The galaxy Messier 77 (M77) is famous for its super-active nucleus that releases enormous energy across the electromagnetic spectrum, ranging from x-ray to radio wavelengths. Yet, despite its highly ... more
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Scientists penetrate mystery of raging black hole beams
They are nature's very own Death Star beams - ultra-powerful jets of energy that shoot out from the vicinity of black holes like deadly rays from the Star Wars super-weapon. Now a team of scie ... more
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Chinese scientists measure universe with "magic ruler"
There's a giant "ruler" hidden among millions of galaxies in the universe. With it, scientists can measure how fast the universe is expanding. This will help them explore dark energy, the mysterious ... more
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Bringing the atomic world into full color
A French and Japanese research group has developed a new way of visualizing the atomic world by turning data scanned by an atomic force microscope into clear color images. The newly developed method ... more
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The most exotic fluid has an unexpectedly low viscosity
Collisions of lead nuclei in the Large Hadron Collider (LHC) particle accelerator take place at such great energies that quarks that are normally confined inside nucleons are released and, together ... more
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Stronger Tests of Einstein's Theory of General Relativity with Binary Neutron Stars
Einstein's theory of general relativity has withstood 100 years of experimental scrutiny. However, these tests do not constrain how well the very strong gravitational fields produced by merging neut ... more
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Swansea University's physicists develop a new quantum simulation protocol
For most everyday experiences, such as riding a bicycle, using a lift or catching a ball, classical (Newtonian) mechanics is perfectly accurate. However, at atomic and subatomic scales Nature ... more
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