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PUT YOUR BEARD IN MY MOUTH
One Nice Bug Per Day

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Yoda Force Break Dance Tee
Got served you did. http://www.wearviral.com/product/yoda-force-break-dance
Turkey pouncing on Ham!
Thanks EatSleepDraw!
-TK
Pulsar Glitch Theory |
Researchers from the University of Southampton have called in to question a 40 year-old theory explaining the periodic speeding up or ‘glitching’ of pulsars.
A pulsar is a highly magnetised rotating neutron star formed from the remains of a supernova. It emits a rotating beam of electromagnetic radiation, which can be detected by powerful telescopes when it sweeps past the Earth, rather like observing the beam of a lighthouse from a ship at sea.
Pulsars rotate at extremely stable speeds, but occasionally they speed up in brief events described as ‘glitches’ or ‘spin-ups’. The prevailing theory is that these events arise as a rapidly spinning superfluid within the star transfers rotational energy to the star’s crust, the component that is tracked by observations. However, Southampton academics have used a mathematical model to disprove this.
Professor Nils Andersson explains: “Imagine the pulsar as a bowl of soup, with the bowl spinning at one speed and the soup spinning faster. Friction between the surface of the bowl and its contents, the soup, will cause the bowl to speed up. The more soup there is, the faster the bowl will be made to rotate.
“This analogy describes the concept behind the accepted theory of why pulsars suddenly increase speed or ‘spin-up’. However, our research shows that these pulsar glitches are too large to be explained in this way. The amount of superfluid, or ‘soup’, available in the crust of a pulsar is too small to cause the kind of friction needed to create this effect.”
Professor Andersson and Dr Wynn Ho from the University of Southampton used their calculations, in conjunction with data from radio telescopes and recent results from nuclear physics theory, to challenge current thinking on this subject.
The Southampton researchers have written a paper detailing their theory, produced in collaboration with Kostas Glampedakis at the Universidad de Murcia, Spain and Cristobal Espinoza at the University of Manchester.
Detecting Quasars & Documenting the History of the Universe, like a BOSS |
BOSS, the Baryon Oscillation Spectroscopic Survey, is mapping a huge volume of space to measure the role of dark energy in the evolution of the universe. BOSS is the largest program of the third Sloan Digital Sky Survey (SDSS-III) and has just announced the first major result of a new mapping technique, based on the spectra of over 48,000 quasars with redshifts up to 3.5, meaning that light left these active galaxies up to 11.5 billion years in the past.
“No technique for dark energy research has been able to probe this ancient era before, a time when matter was still dense enough for gravity to slow the expansion of the universe, and the influence of dark energy hadn’t yet been felt,” says BOSS principal investigator David Schlegel, an astrophysicist in the Physics Division of the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab). “In our own time, expansion is accelerating because the universe is dominated by dark energy. How dark energy effected the transition from deceleration to acceleration is one of the most challenging questions in cosmology.”
Two ways to measure the expanding universe
As an international collaboration, many of whose leading scientists are present or former members of Berkeley Lab, BOSS studies dark energy by mapping baryon acoustic oscillations (BAO) — the large-scale network of variations in the distribution of visible galaxies and hard-to-see clouds of intergalactic gas, which also reveal impossible-to-see dark matter. The regular spacing of peaks in matter density originated in primordial density variations, whose remnants are visible in the cosmic microwave background radiation. This spacing provides a cosmic ruler for calibrating the rate of expansion wherever BAO can be measured.
Using the Sloan Foundation Telescope at the Apache Point Observatory in New Mexico, BOSS has mounted a two-pronged spectroscopic investigation of BAO. The first priority is to survey normal bright galaxies with redshifts up to 0.8, some seven billion years in the past; first results of the galaxy survey, which included over 300,000 galaxies, were announced in March, 2012. But collecting enough galaxies at redshifts high enough to map BAO in the very early universe can’t be done with a 2.5-meter telescope. Thus BOSS’s second target: quasars.
“Quasars are the brightest objects in the sky, and therefore the only credible way to measure spectra out to redshift 2.0 and beyond,” says Schlegel. “At these redshifts there are a hundred times more galaxies than quasars, but they’re too faint to use for BAO.”
Quasars are too sparse to measure BAO directly, but there’s another way they reveal BAO at high redshifts. As the light of a quasar passes through clouds of intergalactic gas on its way to Earth, its spectrum develops a plethora of hydrogen absorption lines known as a Lyman-alpha forest. Ideally, each absorption line in the “forest” reveals where the quasar’s light has passed through an intervening gas cloud. Like a single flashlight seen through the fog, the different prominences and redshifts of the individual absorption lines in a single quasar’s spectrum reveal how the gas density varies with distance along the line of sight. continue reading
New video: THAT WILL BE THE DAY
An audio/visual collaboration between composer Aldo Aréchar and Mr. Div
Check out the video HERE
Naturaleza
Puede ser una serie de sucesos violentos e inesperados o un lugar bello donde se respira la calma.
Puede ser destruida o inspiración para crear.
Alberga al mundo si exigirle nada y nosotros le exigimos sin ofrecerle a cambio.
Miles de años para maravillarnos con la majestuosidad de su complejidad, y con la capacidad de arrasar poblaciones enteras en un instante.
Fotografía: Hannes Lochner (sudáfrica)
:3 me encanto
La portada del álbum The 2nd Law de Muse, tomada del Proyecto Connectome humano , representa el mapa de las vías del cerebro humano ", el seguimiento de los circuitos en la cabeza y la forma en que procesamos la información, con colores brillantes y luminosos". La obra de arte fue utilizado posteriormente por Muse en un proyecto Connectome sociales el 21 de septiembre de 2012. A medida que más seguidores se unieron al proyecto en línea, el arte del álbum fue construido, en representación de la red de las neuronas en el cerebro.
" No crescas demaciado rapido
y no abrazes el pasado
esta vida es demaciado buena para durar
y yo demaciado joven para que importe
Details from the development cycle of a chicken.
(2010)
Adobe Illustrator
Adobe Photoshop
from the series “everything i wish i could be” by kent rogowski
(found here)
NASA’s TRMM Satellite Analyzes Hurricane Sandy in 3-D |
NASA’s Tropical Rainfall Measuring Mission, or TRMM satellite, can measure rainfall rates and cloud heights in tropical cyclones, and was used to create an image to look into Hurricane Sandy on Oct. 28, 2012. Owen Kelly of NASA’s Goddard Space Flight Center in Greenbelt, Md. created this image of Hurricane Sandy using TRMM data.
The eyewall appeared somewhat compact with its 40 km (24.8 miles) diameter. The eyewall contained only relatively light precipitation, and none of Sandy’s eyewall storm cells managed to burst through, or even reach, the tropopause which has about a 10 km (6.2 miles) height at mid-latitudes. Evidence of the weak updrafts in the eyewall comes from the fact that the TRMM radar’s reflectivity stayed under 40 dBZ, a commonly cited signal strength at which updrafts can be vigorous enough to form hail and to lift smaller ice particles up through the tropopause and into the stratosphere.
But placed in context, the TRMM-observed properties of Hurricane Sandy’s eyewall are evidence of remarkable vigor. Most hurricanes only have well-formed and compact eyewalls at category 3 strength or higher. Sandy was not only barely a category 1 hurricane, but Sandy was also experiencing strong wind shear, Sandy was going over ocean typically too cold to form hurricanes, and Sandy had been limping along as a marginal hurricane for several days.
Kelley said, “With infrared satellite observations used in imagery one can speculate about what the sort of convective (rising air that form the thunderstorms that make up a tropical cyclone) storms are developing under the hurricane’s cloud tops, but Sandy was sneaking up the East Coast too far out at sea for land-based radars to provide definitive observations of the rain regions inside of the hurricane’s clouds.” The radar on the TRMM satellite could provide this missing information during this overflight of Hurricane Sandy. continue reading
That’s here. That’s home. That’s us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives. The aggregate of our joy and suffering, thousands of confident religions, ideologies, and economic doctrines, every hunter and forager, every hero and coward, every creator and destroyer of civilization, every king and peasant, every young couple in love, every mother and father, hopeful child, inventor and explorer, every teacher of morals, every corrupt politician, every “superstar,” every “supreme leader,” every saint and sinner in the history of our species lived there — on a mote of dust suspended in a sunbeam.
The Earth is a very small stage in a vast cosmic arena. Think of the rivers of blood spilled by all those generals and emperors, so that, in glory and triumph, they could become the momentary masters of a fraction of a dot. Think of the endless cruelties visited by the inhabitants of one corner of this pixel on the scarcely distinguishable inhabitants of some other corner, how frequent their misunderstandings, how eager they are to kill one another, how fervent their hatreds. Our posturings, our imagined self-importance, the delusion that we have some privileged position in the Universe, are challenged by this point of pale light.
Our planet is a lonely speck in the great enveloping cosmic dark. In our obscurity, in all this vastness, there is no hint that help will come from elsewhere to save us from ourselves. The Earth is the only world known so far to harbor life. There is nowhere else, at least in the near future, to which our species could migrate. Visit, yes. Settle, not yet. Like it or not, for the moment the Earth is where we make our stand. It has been said that astronomy is a humbling and character building experience. There is perhaps no better demonstration of the folly of human conceits than this distant image of our tiny world. To me, it underscores our responsibility to deal more kindly with one another, and to preserve and cherish the pale blue dot, the only home we’ve ever known.
—Carl Sagan
:'3
El niño rata
Cosmos, Galaxies, & Stars