Saturday 18 April 2015

Using sound waves to detect rare cancer cells

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Cancer cells often break free from their original locations and circulate through the bloodstream, allowing them to form

The post Using sound waves to detect rare cancer cells has been published on Technology Org.

 
#materials 
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Sputtering start for flat materials

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A simple method for creating high-quality two-dimensional materials could enable industrial-scale production.

via Science Daily

Social shaming and the search for validation

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A sociologist professor outlines the social conditions that breed online complaining and hashtag activism.

via Science Daily

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Orion Nebula and Trapezium Stars Sticker

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


tagged with: envelope sealers, ornebcsfr, awesome astronomy images, orion nebula, emission nebula, trapezium stars, emission nebulae, dust clouds, hot young stars, star nursery, new born stars

Galaxies, Stars and Nebulae series A gorgeous picture from the deep universe featuring the bubbling, seething mass of gas and dust that is the Orion Nebula, 1500 light years away and the closest star-forming region to us. The nebula is a star nursery in which there are birthing, new-born, young and adult stars. Look carefully in the brightest central region and you'll see the Trapezium, four of the most massive stars in Orion.

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Image credit: NASA, ESA, M. Robberto (Space Telescope Science Institute/ESA) and the Hubble Space Telescope Orion Treasury Project Team

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The Great Crater Hokusai

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One of the largest young craters on Mercury, 114 kilometer (71 mile) diameter Hokusai crater's bright rays are known to extend across much of the planet. But this mosaic of oblique views focuses on Hokusai close up, its sunlit central peaks, terraced crater walls, and frozen sea of impact melt on the crater's floor. The images were captured by the MESSENGER spacecraft. The first to orbit Mercury, since 2011 MESSENGER has conducted scientific explorations, including extensive imaging of the Solar System's innermost planet. Now running out of propellant and unable to counter orbital perturbations caused by the Sun's gravity, MESSENGER is predicted to impact the surface of Mercury on April 30.
Tomorrow's picture: ringing hubble
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Jet in Carina iPad Mini 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!


tagged with: stellar, jet, carina, nebula, hubble, nasa, space, image, images, pretty, picture, astronomy, cosmic, cosmos, misaneous

Another pretty picture courtesy of NASA&#39;s Hubble program of a stellar jet in the Carina Nebula.

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Accelerating Materials Discovery With World’s Largest Database of Elastic Properties

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Scientists at the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) have published the world’s largest set

The post Accelerating Materials Discovery With World’s Largest Database of Elastic Properties has been published on Technology Org.

 
#materials 
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United States, China team explore energy harvesting

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Six authors have described their work in harvesting energy in a paper titled "Ultrathin, Rollable, Paper-Based Triboelectric Nanogenerator for Acoustic Energy Harvesting and Self-Powered Sound Recording." Translation: A paper microphone may help charge your cellphone. Jacob Aron in New Scientist wrote about their work; he said one benefit of such a microphone is that it could harvest acoustic energy to top up a phone charge on the go. The team, from the Georgia Institute of Technology in the U.S. and Chongqing University and Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, China, published their paper in ACS Nano last month.



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Large Magellanic Cloud Superbubble in Nebula N44 Sticker

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


tagged with: envelope sealers, awesome astronomy images, interstellar hydrogen clouds, sbsblmc, star cluster ngc 1929, supernovas, new born stars, n44 nebula, dust clouds, hot young stars, star nursery

Galaxies, Stars and Nebulae series An awesome photograph from deep space featuring a super bubble in the Large Magellanic Cloud, which is a small satellite of our Milky Way galaxy around 160000 light years from us.
The massive stars of this nebula produce intense radiation, expelling matter at high speeds, and race through their main stage finally to explode as supernovas. The stellar winds of charged hydrogen and other particles and the supernova shock waves carve out huge cavities called superbubbles in the surrounding gas. Blue shows hot regions created by these winds and shocks, while red shows where the dust and cooler gas are found. Yellow regions show where ultraviolet radiation from hot, young stars is causing gas in the nebula to glow.

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image code: sbsblmc

Image credit: X-ray: NASA/CXC/U.Mich./S.Oey, IR: NASA/JPL, Optical: ESO/WFI/2.2-m

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Orion Nebula Wall Decal

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


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Gas plume near the edge of the Orion Nebula as seen through the Hubble telescope

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Carina Nebula Case For The iPad Mini

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: carina, nebula, space, image, nasa, hubble, astronomy

Latest re-worked release from NASA/Hubble featuring: "Cosmic Ice Sculptures: Dust Pillars in the Carina Nebula".

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