Wednesday 9 September 2015

Scientists Develop Flexible, Self-Repairing Electrical Circuit

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Using a new gel, which contains properties seldom seen together – high conductivity, flexibility and room temperature self-healing

The post Scientists Develop Flexible, Self-Repairing Electrical Circuit has been published on Technology Org.

 
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Novel efficient and low-cost semitransparent solar cells

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Scientists have successfully developed efficient and low-cost semitransparent perovskite solar cells with graphene electrodes. The power conversion efficiencies of this novel invention are around 12 percent.
via Science Daily

Astronomers discover how lowly dwarf galaxy becomes star-forming powerhouse

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Astronomers have discovered an unexpected population of compact interstellar clouds hidden within the nearby dwarf irregular galaxy WLM.
via Science Daily
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Hubble Uncovers Clues of Earliest Galaxies


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Astronomers at the University of California at Irvine (UCI) and the Space Telescope Science Institute have made the most accurate statistical estimate of the number of faint, small galaxies that existed only 500 million years after the big bang. This was culled from an analysis of the deepest Hubble Space Telescope sky survey, CANDELS (Cosmic Assembly Near-Infrared Deep Extragalactic Legacy Survey). Previously, studies using Caltech's CIBER (the Cosmic Infrared Background Experiment) rocket-borne instrument and NASA's Spitzer Space Telescope images confirmed the presence of "intra-halo light" from stars distributed outside of galaxies. The Hubble data found a new component in the infrared background in addition to intra-halo light the collective glow of entire galaxies that formed first in the universe. UCI's Asantha Cooray believes that these early galaxies are very different from the well-defined spiral and disk-shaped galaxies seen in the present-day universe. They were more diffuse and populated by giant stars. This discovery paves the way for NASA's James Webb Space Telescope to see these very faint galaxies individually, after its launch in 2018.


via HubbleSite NewsCenter -- Latest News Releases
http://hubblesite.org/newscenter/archive/releases/2015/34/

Milky Way Panorama 2.0 Poster

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


tagged with: milky way, all sky, all-sky, milky way panorama, axel mellinger, galaxy, big dipper, orion, astronomy, astrophotography

Between October 2007 and August 2009, Central Michigan University physics professor Axel Mellinger assembled a digital all-sky mosaic image from more than 3000 individual CCD frames, which he took from remote, dark sites in South Africa, Texas and Michigan. The result is a panoramic image of our home galaxy that no stargazer could ever see from a single spot on Earth. It shows stars 1000 times fainter than those visible to the unaided human eye.

For more information, visit Dr. Mellinger's Milky Way home page at http://home.arcor-online.de/axel.mellinger/.
Or go directly to a zoomable version of the panorama: http://galaxy.phy.cmich.edu/~axel/mwpan2/krpano/.

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First estimate of the number of small, primordial galaxies in the early universe

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Astronomers have generated the most accurate statistical description yet of faint, early galaxies as they existed in the universe 500 million years after the Big Bang.
via Science Daily
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Food chain Chipotle sued over its “GMO free” claims

Science Focus

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Earlier this year, the restaurant chain Chipotle announced to much fanfare that it was halting the use of GMOs in the food it serves. That announcement has since been amplified by advertisements and displays in its restaurants. At least one California resident, however, thinks the chain is not living up to its promises and is suing Chipotle under the state's Consumer Legal Remedies Act and seeking class action status for the suit.

The suit carefully avoids discussing whether eating GMO foods has any consequences for the plaintiff, thus neatly dodging the need to contain any scientific content. But it does contain some questionable logic: some of the chain's meat and dairy products come from animals that were fed GMO food, and therefore allegedly contain GMOs as well.

The suit has been filed in the United States District Court of the Northern District of California on behalf of Colleen Gallagher and the class of Chipotle customer she's a part of. Said customers have allegedly seen the anti-GMO advertising and "been deceived into buying Chipotle’s food, or paying more for Chipotle products than they would have otherwise paid."

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 » see original post http://arstechnica.com/tech-policy/2015/09/food-chain-chipotle-sued-over-its-gmo-free-claims/
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First demonstration of matter wave technique that could cool molecules

Science Focus

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Researchers from the University of Southampton have demonstrated for the first time a new laser cooling method, based

The post First demonstration of matter wave technique that could cool molecules has been published on Technology Org.

 
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 » see original post http://feedproxy.google.com/~r/TechnologyOrgPhysicsNews/~3/ELOGbVg02Y0/
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An affordable, self-correcting, multi-material 3D printing platform

Science Focus

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Research on 3D printing (also called additive manufacturing) has increased the accessibility of the technology to the general public. Today you can even buy your own 3D printer, although at a steep price—the cost of these systems has hindered their wide-scale use. Recently, an interdisciplinary team at MIT’s Computer Science and Artificial Intelligence Lab (CSAIL) has partly addressed this limitation by building a relatively cheap printer that can handle multiple materials.

From the beginning, the team was interested in a 3D printing platform that relied on commercial, off-the-shelf parts. Over the past three years, they’ve developed an impressive multi-material 3D printing platform that costs around $7,000—over an order of magnitude cheaper than other multi-material systems.

The printer is 1.2m x 0.6m x 1m (w, l, h), and its frame is made of aluminum attached to UV-blocking acrylic sheets. An exhaust duct is connected to the rear of the panel where two electric fans are used to expel gases and particulates.

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 » see original post http://arstechnica.com/science/2015/09/an-affordable-self-correcting-multi-material-3d-printing-platform/
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Star Cluster Pismis 24, core of NGC 6357 Rectangular Sticker

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


tagged with: galaxies, star cluster, pismis 24, sculpting ultaviolet ionisation, super massive stars, sclustpsms, nebula ngc 6357, peel off, outer space exploration, astronomy pictures

Galaxies, Stars and Nebulae series The star cluster Pismis 24 lies in the core of the large emission nebula NGC 6357 that extends one degree on the sky in the direction of the Scorpius constellation. Part of the nebula is ionised by the youngest (bluest) heavy stars in Pismis 24. The intense ultraviolet radiation from the blazing stars heats the gas surrounding the cluster and creates a bubble in NGC 6357. The presence of these surrounding gas clouds makes probing into the region even harder. One of the top candidates for the title of "Milky Way stellar heavyweight champion" was, until now, Pismis 24-1, a bright young star that lies in the core of the small open star cluster Pismis 24 (the bright stars in the Hubble image) about 8,000 light-years away from Earth. Pismis 24-1 was thought to have an incredibly large mass of 200 to 300 solar masses. New NASA/ESA Hubble measurements of the star, have, however, resolved Pismis 24-1 into two separate stars, and, in doing so, have "halved" its mass to around 100 solar masses.

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image code: sclustpsms

Image credit: NASA/ESA Hubble

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NGC 1316: After Galaxies Collide

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Zazzle Space Gifts for young and old

Surprising giant ring-like structure in the universe

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(Phys.org)—Five billion light years is a distance almost inconceivable, even on a cosmic scale. To better illustrate the extent of this physical quantity, it's enough to say that 35,000 galaxies the size of our Milky Way are needed to cover that distance. Thanks to a surprising discovery made by a Hungarian-U.S. team of astronomers, now we know that a structure this big really exists in the observable universe.

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Holographic lens printing method could allow printing of telescope lenses in space

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(Phys.org)—Researchers have developed a method for printing optical holographic lenses that could greatly simplify their fabrication. Because the method can be performed quickly and easily, it could potentially be used by astronauts to print lenses while in space for holographic lens telescopes.

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Organic 'computers' made of DNA could process data inside our bodies

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We invariably imagine electronic devices to be made from silicon chips, with which computers store and process information as binary digits (zeros and ones) represented by tiny electrical charges. But it need not be this way: among the alternatives to silicon are organic mediums such as DNA.

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Record high pressure squeezes secrets out of osmium

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An international team of scientists led by the University of Bayreuth and with participation of DESY has created

The post Record high pressure squeezes secrets out of osmium has been published on Technology Org.

 
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New nanomaterial maintains conductivity in 3-D

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An international team of scientists has developed what may be the first one-step process for making seamless carbon-based nanomaterials that possess superior thermal, electrical and mechanical properties in three dimensions.

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Nanotubes open new path toward quantum information technologies

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In optical communication, critical information ranging from a credit card number to national security data is transmitted in streams of laser pulses. However, the information transmitted in this manner can be stolen by splitting out a few photons (the quantum of light) of the laser pulse. This type of eavesdropping could be prevented by encoding bits of information on quantum mechanical states (e.g. polarization state) of single photons. The ability to generate single photons on demand holds the key to realization of such a communication scheme.

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Monogram, Star Cluster Pismis 24, core of NGC 6357 Classic Round Sticker

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


tagged with: stars, galaxies, astronomy, peel off, envelope sealers, star cluster, pismis 24, sculpting ultaviolet ionisation, super massive stars, sclustpsms, nebula ngc 6357

Galaxies, Stars and Nebulae series The star cluster Pismis 24 lies in the core of the large emission nebula NGC 6357 that extends one degree on the sky in the direction of the Scorpius constellation. Part of the nebula is ionised by the youngest (bluest) heavy stars in Pismis 24. The intense ultraviolet radiation from the blazing stars heats the gas surrounding the cluster and creates a bubble in NGC 6357. The presence of these surrounding gas clouds makes probing into the region even harder. One of the top candidates for the title of "Milky Way stellar heavyweight champion" was, until now, Pismis 24-1, a bright young star that lies in the core of the small open star cluster Pismis 24 (the bright stars in the Hubble image) about 8,000 light-years away from Earth. Pismis 24-1 was thought to have an incredibly large mass of 200 to 300 solar masses. New NASA/ESA Hubble measurements of the star, have, however, resolved Pismis 24-1 into two separate stars, and, in doing so, have "halved" its mass to around 100 solar masses.

more items with this image
more items in the Galaxies, Stars and Nebulae series

image code: sclustpsms

Image credit: NASA/ESA Hubble

»visit the HightonRidley store for more designs and products like this
Click to customize.
via Zazzle Astronomy market place

Hubble Interacting Galaxy IRAS 21101 iPad Folio Cover

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!


tagged with: galaxy, space, universe, stars, planets, travel, exploration, science, sun, astronomy, the milky way, telescope images, moons, phenomena, supernovas, cosmos, cosmology, nebula, star cluster, solar system, space shuttle, nasa, space images, themilkyway, hubble, interacting, iras, 21101, hubble interacting galaxy iras 21101

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