Monday 21 October 2013

Professor's quantum teleportation theory to be tested on space station

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(Phys.org) —A theory—SuperDense quantum teleportation—posed by Hampshire College physics professor Herbert Bernstein will be tested on the International Space Station.



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Astrophysics advance explanation for star formation

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A newly published paper by three UC San Diego astrophysics researchers for the first time provides an explanation for the origin of three observed correlations between various properties of molecular clouds in the Milky Way galaxy known as Larson's Laws.



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Atomically thin device shows tunable electrical behavior not previously realized in conventional electronics

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As electronics approach the atomic scale, researchers are increasingly successful at developing atomically thin, virtually two-dimensional materials that could usher in the next generation of computing. Integrating these materials to create necessary circuits, however, has remained a challenge.



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Feynman wasn't joking: Modeling quantum dynamics with ground state wavefunctions

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(Phys.org) —Amongst the late Richard Feynman's many prolific and profound contributions to quantum mechanics, the eponymous Feynman clock is perhaps one of the more innovative. Conceived as a solution to the problem of quantum simulation, the Feynman clock proposes using quantum computers to simulate quantum systems – and in so doing, conjectures that if a quantum system moves stepwise forward and then backward in time in equal increments, it would necessarily return to its original state. While originally a linear concept, scientists at Harvard University and the University of Notre Dame recently generalized the proposition to construct a more flexible discrete-time variational principle that leads to a parallel-in-time algorithm. (A variational principle is a scientific principle, used within the calculus of variations, which develops general methods for finding functions which minimize or maximize the value of quantities that depend upon those functions.) The researchers then used that algorithm to describe time-based quantum system evolution as a ground state eigenvalue problem – that is, the quantum system's lowest energy state – which led them to realize that the solution of the quantum dynamics problem could also be obtained by applying the traditional ground state variational principle.



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Nano-cone textures generate extremely 'robust' water-repellent surfaces

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When it comes to designing extremely water-repellent surfaces, shape and size matter. That's the finding of a group of scientists at the U.S. Department of Energy's Brookhaven National Laboratory, who investigated the effects of differently shaped, nanoscale textures on a material's ability to force water droplets to roll off without wetting its surface. These findings and the methods used to fabricate such materials-published online October 21, 2013, in Advanced Materials-are highly relevant for a broad range of applications where water-resistance is important, including power generation and transportation.



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Monogram Deep space astronomy: Antennae Galaxies Ceiling Lamps

Here's a great lamp featuring a beautiful image from deep in outer space

in my relentless search to find great designs, I found this one by HightonRidley,
another talented creative from the Zazzle community!


tagged with: new born stars, super star clusters, star cluster formation, agmcssc, antennae galaxies, merging galaxies, ngc4038 ngc4039, astronomy images, best hubble, deep space pictures, dust clouds

Galaxies, Stars and Nebulae series A stunning outer space picture featuring two merging galaxies, known as the Antennae Galaxies - NGC4038 and NGC4039. As these galaxies hurtle through each other, billions of new stars are forced to precipitate out of the gas and dust clouds by the bunching and heating that's caused by the massive gravitic interactions. These tend to occur in clusters, the brightest and most condensed of them being known as super star clusters.
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image code: agmcssc

Image credit: NASA, ESA, and the Hubble Heritage Team STScI/AURA)-ESA/Hubble Collaboration. Acknowledgement: B. Whitmore (Space Telescope Science Institute) and James Long (ESA/Hubble).

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Rings, dark side of Saturn glow in new Cassini image

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The gauzy rings of Saturn and the dark side of the planet glow in newly released infrared images obtained by NASA's Cassini spacecraft.

via Science Daily

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A giant misalignment in a multiple planet system

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A long-standing puzzle in the study of exoplanets is the formation of hot Jupiters, gas giant planets that snuggly orbit their host star. To explain their short orbital periods, theory suggests that hot Jupiters form in long orbits and then quiescently migrate through the protoplanetary disc, the flat ring of dust and debris that circles a newly fashioned star and coalesces to form the planets. This theory was challenged when the orbital plane of hot Jupiters were discovered to be frequently misaligned with the equator of their host stars.

via Science Daily

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Celebrating the legacy of ESA's Planck mission

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From the tiniest fraction of a second after the Big Bang to the evolution of stars and galaxies over 13.8 billion years, ESA's Planck space telescope has provided new insight into the history of our Universe. Although science observations are now complete, the legacy of the Planck mission lives on.



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Nonlinear quantum effects? Topological light

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Scientists report the first observation of topological effects for light in two dimensions, analogous to the quantum Hall effect for electrons. To accomplish this, they built a structure to guide infrared light over the surface of a room temperature, silicon-on-insulator chip.

via Science Daily

Scientists untangle nanotubes to release their potential in the electronics industry

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Researchers have demonstrated how to produce electronic inks for the development of new applications using the 'wonder material', carbon nanotubes.

via Science Daily

Tadpole Nebula, Auriga Constellation Star Stickers

Here's a great sheet of stickers featuring a beautiful image from deep space


tagged with: envelope sealers, star forming activity, awesome astronomy images, tnitac, tadpole nebula, auriga constellation, new born stars, hot young stars, star nursery, dust clouds, interstellar gas clouds

Galaxies, Stars and Nebulae series An awesome outer space picture featuring the Tadpole Nebula, a star forming hub located about 12000 light years away in the Auriga constellation.
This nebula is brimming with new-born stars, many as young as only a million years of age. It's called the Tadpole nebula because the masses of hot, young stars are blasting out ultraviolet radiation that has etched the gas into two tadpole-shaped pillars, called Sim 129 and130, the yellow forms that seem to be swimming away from the three red stars close to the centre of the picture.

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image code: tnitac

Image credit: NASA/JPL-Caltech/UCLA

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Asteroid 2013 TV135: A reality check

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Newly discovered asteroid 2013 TV135 made a close approach to Earth on Sept. 16, when it came within about 4.2 million miles (6.7 million kilometers). The asteroid is initially estimated to be about 1,300 feet (400 meters) in size and its orbit carries it as far out as about three quarters of the distance to Jupiter's orbit and as close to the sun as Earth's orbit. It was discovered on Oct. 8, 2013, by astronomers working at the Crimean Astrophysical Observatory in Ukraine. As of Oct. 14, asteroid 2013 TV135 is one of 10,332 near-Earth objects that have been discovered.

via Science Daily

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Managing the Deluge of 'Big Data' From Space

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For NASA and its dozens of missions, data pour in every day like rushing rivers. Spacecraft monitor everything from our home planet to faraway galaxies, beaming back images and information to Earth. All those digital records need to be stored, indexed and processed so that spacecraft engineers, scientists and people across the globe can use the data to understand Earth and the universe beyond.

via Science Daily

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Scientists untangle nanotubes to release their potential in the electronics industry (w/ Video)

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(Phys.org) —Researchers have demonstrated how to produce electronic inks for the development of new applications using the 'wonder material', carbon nanotubes.



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Nanodiamond production in ambient conditions opens door for flexible electronics, implants and more

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Instead of having to use tons of crushing force and volcanic heat to forge diamonds, researchers at Case Western Reserve University have developed a way to cheaply make nanodiamonds on a lab bench at atmospheric pressure and near room temperature.



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Cleaner and greener cities with integrated transparent solar cells

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Imagine buildings in which the windows allow the sun's light to enter, and at the same time capture the energy from the sun needed to meet all their energy needs. In this seemingly futuristic scenario, the windows become productive solar cells that help us decrease our reliance on fossil fuels and advance towards a greener and cleaner environment. Researchers have now fabricated an optimal organic solar cell with a high level of transparency and a high power conversion efficiency, a promising step forward towards affordable, clean, more widely utilized and urban integrated renewable energies.

via Science Daily

Eagle Nebula Print

Here's a great poster featuring a beautiful image from deep space

sometimes it's difficult to choose what to feature from amongst the fantastic designs on Zazzle. I finally settled on this great design by Nasaworld,
another talented creative from the Zazzle community!


tagged with: astronomy, space, nasa, galaxy, photography, art, best, popular, top, gift, unique, the best, the most popular, custom, customizable, pretty, prettiest, quality, eagle nebula, business gift, corporate gift, corporate gifts, special gift, special gifts

This eerie, dark structure in IC 4703 (the Eagle nebula) is a column of cool molecular hydrogen gas and dust that is an incubator for new stars. The stars are embedded inside finger-like protrusions clearly seen extending from the top of the column. Each "fingertip" is somewhat larger than our own solar system. The pillar is slowly eroding away by the ultraviolet light from nearby hot stars, a process called "photoevaporation". As it does, small globules of especially dense gas buried within the cloud are uncovered. These globules have been dubbed "EGGs" ; an acronym for "Evaporating Gaseous Globules". The shadows of the EGGs protect gas behind them, resulting in the finger-like structures at the top of the cloud.

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Countdown to launch of ESA’s billion-star surveyor

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ESA’s billion-star surveyor Gaia will be launched from Europe’s spaceport in Kourou on 20 November to begin a five-year mission to map the stars with unprecedented precision.




via ESA Space Science

http://www.esa.int/Our_Activities/Space_Science/Gaia/Countdown_to_launch_of_ESA_s_billion-star_surveyor

Supernova Bubble iPad Cases

Here's a great iPad case from Zazzle featuring a Hubble-related design. Maybe you'd like to see your name on it? Click to personalize and see what it's like!

after scouring the Zazzle market place for a while, I settled on this as my choice for today. By annaleeblysse,
another talented creative from the Zazzle community!


tagged with: supernova, bubble, red, gas, stars, starry, outer, space, hubble, nasa, sphere, snr 0509, astronomy

Sphere of gas ... remnants of a supernova thanks to a NASA Hubble image.

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The Zazzle Promise: We promise 100% satisfaction. If you don't absolutely love it, we'll take it back!

Icy ISON

A cosmic giant

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Space science image of the week: Planck’s view of the largest cosmic structure in the local Universe

via ESA Space Science

http://spaceinimages.esa.int/Images/2013/10/Shapley_Supercluster

Gaia blog

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Countdown until launch

via ESA Space Science

http://blogs.esa.int/gaia/

Mars images

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New mosaic of Hebes Chasma by ESA's Mars Express

via ESA Space Science

http://www.esa.int/Our_Activities/Space_Science/Highlights/Mars_images9

Exploring Saturn

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Recent Cassini images of the ringed planet and its enigmatic moons

via ESA Space Science

http://www.esa.int/Our_Activities/Space_Science/Highlights/Exploring_Saturn

Herschel images

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Recent images from ESA's Herschel space observatory

via ESA Space Science

http://www.esa.int/Our_Activities/Space_Science/Herschel/Highlights/Herschel_images

NASAs Stellar Nursery Poster

Here's a great poster featuring a beautiful image from deep space

what do you think of this one? I bumped into it and thought it was cool. By Nasaworld,
another talented creative from the Zazzle community!


tagged with: astronomy, space, nasa, best, galaxy, original, popular, cheapest, nebulae, art, custom, quality, christmas gift, gift, gift idea, birthday gift posters, wedding gift posters, mens gift, office gift

An interstellar cloud of gas will remain in hydrostatic equilibrium as long as the kinetic energy of the gas pressure is in balance with the potential energy of the internal gravitational force. Mathematically this is expressed using the virial theorem, which states that, to maintain equilibrium, the gravitational potential energy must equal twice the internal thermal energy.[13] If a cloud is massive enough that the gas pressure is insufficient to support it, the cloud will undergo gravitational collapse. The mass above which a cloud will undergo such collapse is called the Jeans mass. The Jeans mass depends on the temperature and density of the cloud, but is typically thousands to tens of thousands of solar masses.[2] This coincides with the typical mass of an open cluster of stars, which is the end product of a collapsing cloud.

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Lagoon Nebula - Our Awesome Universe Room Decals

Here's a great wall decal featuring a beautiful image from deep space

it's always a pleasure to choose a design from HightonRidley,
another talented creative from the Zazzle community!


tagged with: lgnnbl, star nurseries, galaxies, nebulae, european southern observatory, awesome astronomy images, lagoon nebula, clusters of stars, eso, starfields, vista

Galaxies, Stars and Nebulae series A fantastic outer space picture showing the third image of ESO’s GigaGalaxy Zoom project. It's an amazing vista of the Lagoon Nebula taken with the 67-million-pixel Wide Field Imager attached to the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile.

The image covers more than one and a half square degrees - an area eight times larger than that of the Full Moon. It's based on images acquired using three different broadband filters (B, V, R) and one narrow-band filter (H-alpha).

It's a mind-expanding, wonderful image that reveals a little of the wonder that is our universe.

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image code: lgnnbl

ESO/J. Emerson/VISTA www.eso.org
Reproduced under the Creative Commons Attribution 3.0 Unported license.

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