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Transient luminous events
(Preview)
Do giant flashes of lightning striking upwards from thunder clouds merely pose an extraordinarily spectacular view?
Or do they actually alter the chemical composition of the atmosphere, playing a role in ozone depletion and the climate on Earth?
This is the key question that may be answered b...
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XMASS detector
(Preview)
Title: XMASS Authors: Hiroyuki Sekiya, for the XMASS collaboration The XMASS detector is a large single phase liquid Xenon scintillator. After its feasibility had been studied using a 100 kg size prototype detector, an 800 kg size detector is being built for dark matter search with the sensitivit...
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Twistor theory
(Preview)
Twistor theory has been developed by Roger Penrose and his associates since the 1960s. He realised that using the space-time continuum picture to describe physical processes is inadequate not only at the Planck scale of 10-33 cm but also at the much larger scales of elementary particles, or perhap...
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Technetium
(Preview)
Technetium is the chemical element with atomic number 43 and symbol Tc. It is the lowest atomic number element without any stable isotopes. Nearly all of technetium is produced synthetically and only minute amounts are found in nature. Naturally occurring technetium occurs as a spontaneous fiss...
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Primordial Quark Nuggets
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Title: The search for Primordial Quark Nuggets among Near Earth Asteroids Authors: J.E. Horvath (IAG-Usp, Brazil) Primordial Quark Nuggets, remnants of the quark-hadron phase transition, may be hiding most of the baryon number in superdense chunks have been discussed for years always from the...
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Ultrafast Spectroscopy Laboratory
(Preview)
A new laser laboratory that will help scientists see how proteins become activated at a molecular level launched at Imperial College London on 29 April 2010. The Ultrafast Spectroscopy Laboratory houses three state-of-the-art laser systems that can analyse the movements of proteins at a molecu...
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Boltzmann equation problem
(Preview)
Mathematicians Solve 140-Year-Old Boltzmann Equation Two University of Pennsylvania mathematicians have found solutions to a 140-year-old, 7-dimensional equation that were not known to exist for more than a century despite its widespread use in modelling the behaviour of gases. The study, p...
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Hydrogen fluoride
(Preview)
Hydrogen fluoride, found common in our galaxy A peculiar chemical compound has been found to be ubiquitous in interstellar gas clouds throughout our Milky Way galaxy and may give scientists a better way to track hydrogen across the universe. The compound, called hydrogen fluoride, was detected b...
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Tetrahedra
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Title: Experiments on the Random Packing of Tetrahedral Dice Authors: Alexander Jaoshvili, Andria Esakia, Massimo Porrati, and Paul M. Chaikin Tetrahedra may be the ultimate frustrating, disordered glass forming units. Our experiments on tetrahedral dice indicate the densest, most disorde...
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Zonal winds
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Title: Experimental determination of zonal winds driven by tides Authors: C. Morize, M. Le Bars, P. Le Gal, and A. Tilgner We describe a new phenomenon of zonal wind generation by tidal forcing. Following a recent theoretical and numerical analysis [A. Tilgner, Phys. Rev. Lett. 99, 194501 (2007)]...
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nEDM experiment
(Preview)
Physicist finds colder isn't always slower as electron emissions increase at temps down to -452 F Science is detective work so it was not unexpected that new questions would follow old ones as Indiana University Bloomington nuclear physicist Hans-Otto Meyer's work progressed on testing a fundam...
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Yoctoforce
(Preview)
At 174 trillionths of a trillionth of a newton, new 'yoctoforce' is smallest yet measured. By pushing a cluster of just 60 ions with a tiny electric field, researchers have measured the most minuscule force ever. The result, measuring mere yoctonewtons (10^-24 newtons), beats previous record low...
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Proton and Neutron Binding
(Preview)
Researchers Develop Method to Describe Binding of Protons and Neutrons A researcher at North Carolina State University has helped to develop a new method for describing the binding of protons and neutrons within nuclei. This method may improve scientists' ability to predict and understand astr...
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Antihypertriton
(Preview)
Strange Antihyperparticle Created Physicists, including nine from UC Davis, working at the U.S. Department of Energy's Brookhaven National Laboratory recently created some strange matter not seen since just after the Big Bang -- an "antihypertriton" composed of antimatter and &q...
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Advanced Gamma Tracking Array experiment
(Preview)
New experiment could reveal make-up of the Universe Scientists at the University of Liverpool are constructing highly sensitive detectors as part of an international project to understand the elements that make up the Universe. The detectors will become part of the Advanced Gamma Tracking Arra...
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