Tuesday 7 October 2014

A molecule in an optical whispering gallery

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Being able to track individual biomolecules and observe them at work is every biochemist’s dream. This would enable

The post A molecule in an optical whispering gallery has been published on Technology Org.

 
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Center of Milky Way in Sagittarius Print

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


tagged with: astronomy, background, celestial bodies, milky way, natural sciences, natural world, nobody, outer space, physical science, sagittarius, sciences, stars, zodiac

ImageID: RR016935 / Roger Ressmeyer / CORBIS / Center of Milky Way in Sagittarius /

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Would you rather go blind or lose your mind?

Science Focus

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One morning in college, James Jorkasky woke up and couldn't see out of his left eye. A vessel near the eye's optic nerve had leaked, and his vision was blocked by blood.

"I didn't know what was going to happen," he says. "I was getting ready to start my senior year. I was pre-med. The first thing I thought was that my life was over."

Fortunately, the leak healed. Jorkasky's vision returned, and he quickly jumped back into his studies. But the incident stuck with him. Now the executive director of the National Alliance for Eye and Vision Research, he says the fear he felt that morning motivated...

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 » see original post http://theweek.com/article/index/268858/would-you-rather-go-blind-or-lose-your-mind
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Files to 'print your own' comet

Science Focus

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The European Space Agency releases a shape model of Comet 67P/Churyumov-Gerasimenko, which, among other things, allows enthusiasts to print their own 3D version of the "ice mountain". 
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 » see original post http://www.bbc.co.uk/news/science-environment-29482548#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa
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5 legitimate scientific controversies

Science Focus

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With our minute-by-minute news cycle and omnipresent social media, you'd be excused for thinking evolution and climate change are hot controversies among scientists. They're not: Darwin's theory and evidence of global warming are well established and accepted by the vast majority of researchers. But tackling real controversies head-on is at the heart of the scientific process. These five ongoing debates are just a few of the contentious conversations that continue to perplex and intrigue scientists today.

1. How should we measure quantum mechanics?

Measurement is everything in quantum mechanics...

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 » see original post http://theweek.com/article/index/264691/5-legitimate-scientific-controversies
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A Starburst Galaxy - Messier 82 (Cigar Galaxy) Sticker

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


tagged with: envelope sealers, galaxies and stars, hubble, messier 82, cigar galaxy, active galaxies, starburst galaxy, nasa esa, sbglxymet

Galaxies, Stars and Nebulae series This mosaic image of the magnificent starburst galaxy, Messier 82 (aka Cigar Galaxy) is a really sharp wide-angle view of M82. It is a galaxy remarkable for its webs of shredded clouds and flame-like plumes of glowing hydrogen blasting out from its central regions where young stars are being born 10 times faster than they are inside in our Milky Way Galaxy.

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image code: sbglxymet

Image credit: NASA, ESA and the Hubble Heritage Team STScI/AURA). Acknowledgment: J. Gallagher (University of Wisconsin), M. Mountain (STScI) and P. Puxley (NSF).

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From the Temple of the Sun to the Temple of the Moon

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Zazzle Space Gifts for young and old

Engineered proteins stick like glue — even in water

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Shellfish such as mussels and barnacles secrete very sticky proteins that help them cling to rocks or ship

The post Engineered proteins stick like glue — even in water has been published on Technology Org.

 
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Star birth in Carina Nebula from Hubble's WFC3 det Posters

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


tagged with: argo navis, astronomy, carina, celestial bodies, exploration, milky way, natural sciences, natural world, nebula, ngc 3372, nobody, outer space, physical science, sciences, space exploration and research, stars

ImageID: 42-23286264 / STScI / NASA/Corbis / Star birth in Carina Nebula from Hubble's WFC3 detector

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Keyhole Nebula and Digitus Impudicus Stickers

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


tagged with: kndigimp, envelope sealers, galaxies and stars, keyhole nebula, carina nebula, massive stars, hubble space telescope, digitus impudicus, complex structure

Galaxies, Stars and Nebulae series Details of a mysterious, complex structure within the Carina Nebula (NGC 3372) are revealed by this image of the 'Keyhole Nebula, ' obtained with the Hubble Space Telescope. The picture is a montage assembled from four different April 1999 telescope pointings with Hubble's Wide Field Planetary Camera 2, which used six different colour filters. The picture is dominated by a large, approximately circular feature, which is part of the Keyhole Nebula, named in the 19th century by Sir John Herschel. This region, about 8000 light-years from Earth, is located adjacent to the famous explosive variable star Eta Carinae, which lies just outside the field of view toward the upper right. The Carina Nebula also contains several other stars that are among the hottest and most massive known, each about 10 times as hot, and 100 times as massive, as our Sun.

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image code: kndigimp

Image credit: Hubble's Wide Field Planetary Camera 2

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Observing the Birkeland currents

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When the supersonic solar wind hits the Earth's magnetic field, a powerful electrical connection occurs with Earth's field, generating millions of amperes of current that drive the dazzling auroras. These so-called Birkeland currents connect the ionosphere to the magnetosphere and channel solar wind energy to Earth's uppermost atmosphere. Solar storms release torrential blasts of solar wind that cause much stronger currents and can overload power grids and disrupt communications and navigation.

via Science Daily

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Hubble Sees a Cosmic Caterpillar Cases For iPad

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: hubble, sees, cosmic, caterpillar, hubble sees a cosmic caterpillar, 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

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