Friday, 10 July 2015

All-plastic solar cell could help power future flexible electronics

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If you picture a solar panel, it’s most likely dark blue or black, and rigid and flat. Now

The post All-plastic solar cell could help power future flexible electronics has been published on Technology Org.

 
#materials 
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Sensitive and specific: New way of probing electrolyte/electrode interfaces

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Researchers have developed a new technique that enables sensitive and specific detection of molecules at the electrode/electrolyte interface. This new method uses diffraction from graphene gratings to overcome key difficulties associated with traditional optical spectroscopy that employs infrared probing of buried interfaces.
via Science Daily

Large Isaac Newton Print in High Resolution

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


tagged with: isaac, newton, physics, astronomy, gravity, math, professor, academic, university

High Resolution.

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If genetic screening helps those at risk, why not screen everyone?

Science Focus

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Trish Carlos walks through the door and recognizes familiar faces, all watchful and wondering. She gives them an inquisitive look. Why are they in a maternity hospital? Must be expecting.

That wasn’t why Carlos was here. A few months earlier, the dark-haired school teacher from the hilly seaside town of Cobh in Ireland was standing on the same corridor holding a baby boy. Today's return visit had nothing to do with that happy event—the excitement she felt then had now been replaced by anxiety. She sits down next to the tall, broad figure of her husband Declan as they wait for their appointment. The genetic service comes down from Dublin to the southern city of Cork once a month and rents a room in the hospital. Trish had been waiting for eight months to start a process that begins with today’s blood test.

The Carlos family walks into the rented room. It's like any other in the hospital, with a simple desk and examination bed. The geneticist explains that Trish is being tested for a mutation in a gene called BRCA1, an entity linked to breast cancer. The geneticist goes through some of the symptoms and says that a mutation can not only give you a higher risk of breast cancer but ovarian cancer as well.

Read 51 remaining paragraphs | Comments

 
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 » see original post http://feeds.arstechnica.com/~r/arstechnica/science/~3/oz9SYCbpxHk/
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US Military to Develop its Own Hoverbike

Science Focus

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The US Army Research Laboratory has recently struck a deal with two companies, a UK-based start-up Malloy Aeronautics

The post US Military to Develop its Own Hoverbike has been published on Technology Org.

 
#physics 
 » see original post http://feedproxy.google.com/~r/TechnologyOrgPhysicsNews/~3/U3U1o1zbjBs/
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Bricks to build an Earth found in every planetary system

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Earth-like planets orbiting other stars in the Milky Way are three times more likely to have the same type of minerals as Earth than astronomers had previously thought. In fact, conditions for making the building blocks of Earth-like rocks are ubiquitous throughout the Milky Way. The results of a new study of the chemical evolution of our galaxy are being presented today by Prof Brad Gibson, of the University of Hull, at the National Astronomy Meeting in Llandudno.

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Star Cluster Pismis 24, core of NGC 6357 Square Sticker

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


tagged with: stars, galaxies, astronomy, 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.

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image code: sclustpsms

Image credit: NASA/ESA Hubble

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Graphene-based film can be used for efficient cooling of electronics

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Researchers have developed a method for efficiently cooling electronics using graphene-based film. The film has a thermal conductivity capacity that is four times that of copper. Moreover, the graphene film is attachable to electronic components made of silicon, which favors the film's performance compared to typical graphene characteristics shown in previous, similar experiments.
via Science Daily

Black hole bull's-eye revealed

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What looks like a shooting target is actually an image of nested rings of X-ray light centered on an erupting black hole. On June 15, NASA's Swift satellite detected the start of a new outburst from V404 Cygni, where a black hole and a sun-like star orbit each other. Since then, astronomers around the world have been monitoring the ongoing light show.
via Science Daily
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Messier 43

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Often imaged but rarely mentioned, Messier 43 is a large star forming region in its own right. It's just part of the star forming complex of gas and dust that includes the larger, more famous neighboring Messier 42, the Great Orion Nebula. In fact, the Great Orion Nebula itself lies off the lower edge of this scene. The close-up of Messier 43 was made while testing the capabilities of a near-infrared instrument with one of the twin 6.5 meter Magellan telescopes at Las Campanas Observatory in the Chilean Andes. The composite image shifts the otherwise invisible infrared wavelengths to blue, green, and red colors. Peering into caverns of interstellar dust hidden from visible light, the near-infrared view can also be used to study cool, brown dwarf stars in the complex region. Along with its celebrity neighbor, Messier 43 lies about 1,500 light-years away, at the edge of Orion's giant molecular cloud. At that distance, this field of view spans about 5 light-years.

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Quantum physics provides startling insights into biological processes

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Can something be for instance in two different places at the same time? According to quantum physics, it can. More precisely, in line with the principle of 'superposition', a particle can be described as being in two different states simultaneously.

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Training Schrodinger's cat: Controlling the quantum properties of light

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(Phys.org)—Constructing quantum computers and other quantum devices requires the ability to leverage quantum properties such as superposition and entanglement – but these effects are fragile and therefore hard to maintain. Recently, scientists at Ecole Normale SupĂ©rieure in Paris demonstrated a novel method for controlling the quantum properties of light by probing a superconducting circuit in a cavity with microwave photons to control the energy levels that photon quanta can occupy. Specifically, the scientists prevented access to a single energy level corresponding to a number of photons N, and thereby confined the dynamics of the field to levels 0 to N -1. In so doing, the intracavity field changed from a classical wave to a Schrödinger cat of light – a superposition between two waves of opposite phases instead of a single one. As a result, this new technique could apply to the development of quantum computers by protecting qubits from decoherence as well as enhancing quantum error correction and quantum systems measurement.

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Sprayable foam that slows bleeding could save lives

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Traumatic injuries, whether from serious car accidents, street violence or military combat, can lead to significant blood loss

The post Sprayable foam that slows bleeding could save lives has been published on Technology Org.

 
#materials 
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Engineer develops real-time listeria biosensor prototype

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A Texas A&M AgriLife Research engineer and a Florida colleague have developed a biosensor that can detect listeria

The post Engineer develops real-time listeria biosensor prototype has been published on Technology Org.

 
#materials 
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Welcome to the Space Poster

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


tagged with: astronomy, stars, science, astonomy, space, universe, nebula, planets, cosmological, space travel, planet, star, discovery, explore, exploring, fantasy, fiction, orbit, orbital, travel, research, cosmonaut, astronaut, spaceship, starship, sci-fi

Waiting for clearance in geostationary orbit to leave the home planet and explore new worlds in outer space. Digital artwork by Liz Molnar. Planets, stars, space clouds, lights were made with basic Photoshop effects and brushes, planets' surfaces created from photos.

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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.

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

image code: sclustpsms

Image credit: NASA/ESA Hubble

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Click to customize.
via Zazzle Astronomy market place

Orion Nebula iPad Air 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: orion, nebula, space, image, nasa, hubble, astronomy, pink

A lovely detail of an image of the Orion Nebula thanks to NASA/Hubble.

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