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sdsichero
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Re: Science News

Postby sdsichero » Thu Nov 29, 2012 3:21 am

Ancient Antarctic community of bacteria discovered

A study by polar researchers has revealed an ancient community of bacteria able to thrive in the lightless, oxygen-depleted, salty environment beneath nearly 20 metres of ice in an Antarctic lake.

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Re: Science News

Postby sdsichero » Thu Nov 29, 2012 3:24 am

Well maybe the title isn't really the case... yet

LHC Creates New Form of Matter

A proton collides with a lead nucleus, sending a shower of particles through the CMS detector.

Collisions between particles inside the Large Hadron Collider atom smasher have created what looks like a new form of matter.

The new kind of matter is called color-glass condensate, and is a liquidlike wave of gluons, which are elementary particles related to the strong force that sticks quarks together inside protons and neutrons (hence they are like "glue").

Scientists didn't expect this kind of matter would result from the type of particle collisions going on at the Large Hadron Collider at the time. However, it may explain some odd behavior seen inside the machine, which is a giant loop where particles race around underneath Switzerland and France.

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Re: Science News

Postby sdsichero » Thu Nov 29, 2012 3:14 pm

On Closest Planet to the Sun, NASA Finds Lots of Ice

Mercury is as cold as ice.

Indeed, Mercury, the closest planet to the Sun, possesses a lot of ice — 100 billion to 1 trillion tons — scientists working with NASA’s Messenger spacecraft reported on Thursday.

Sean C. Solomon, the principal investigator for Messenger, said there was enough ice there to encase Washington, D.C., in a frozen block two and a half miles deep.

That is a counterintuitive discovery for a place that also ranks among the hottest in the solar system. At noon at the equator on Mercury, the temperature can hit 800 degrees Fahrenheit.

But near Mercury’s poles, deep within craters where the Sun never shines, temperatures dip to as cold as minus 370.

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Re: Science News

Postby sdsichero » Fri Dec 07, 2012 3:16 pm

It took science to take these. :)

Just beautiful.

Earth at Night 2012

A couple of samples...

Image

Image

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Re: Science News

Postby sdsichero » Fri Dec 21, 2012 1:45 pm

MIT boffins demonstrate NEW form of magnetism

A state of magnetism predicted in 1987 has been observed for the first time at MIT, with researchers saying that it might one day find applications in storage and communications technologies.

The “one day” is still quite some way off, however, with the researchers only at the very beginning of observing the properties of what’s called a “quantum spin liquid” (QSL).

The properties of a quantum spin liquid are revealed in the spin properties of atoms in a crystal. Rather than settling into a stable state, as happens in ferromagnetic and antiferromagnetic materials, the “spin moment” in a QSL is constantly changing.

In the familiar compass needle, magnetism comes from the alignment of all spins in the same direction. The second magnetic state, antiferromagnetism, was first proposed in the 1930s. In an antiferromagnetic material, the spin states align in such a way that the overall magnetism is zero, unless energy is applied. This property is exploited in hard drive read heads.

In the new state of magnetism, the magnetic orientation of particles is unable to settle into an ordered state. Instead, they fluctuate constantly, driven by quantum interactions between particles.

QSL only exists in a type of crystal called a kagome lattice. In the material examined in the MIT research, Herbertsmithite (named after its discoverer), copper atoms lie at the corners of triangular structures. Two of the copper atoms are able to align their spins in an “up-down” arrangement – but the third copper atom can’t align with both the others, so it flips between up and down.

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Re: Science News

Postby sdsichero » Fri Dec 21, 2012 4:47 pm

More non-news, but sometimes just need a reminder of how beautiful the universe is.


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Re: Science News

Postby Schlemmer » Thu Dec 27, 2012 10:13 am

http://www.buzzfeed.com/donnad/27-scien ... 494_760379

"27 Science fictions that became science facts in 2012" Some of these were already discussed here!

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Re: Science News

Postby sdsichero » Thu Dec 27, 2012 1:00 pm

Schlemmer wrote:http://www.buzzfeed.com/donnad/27-science-fictions-that-became-science-facts-in-2?sub=1926494_760379

"27 Science fictions that became science facts in 2012" Some of these were already discussed here!


Cool. The one I am most interested in hearing an update on is the artificial leaf.

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Re: Science News

Postby sdsichero » Fri Feb 15, 2013 5:30 pm

Large Hadron Collider to Shut Down for the Next 2 Years

CERN’s Large Hadron Collider will be shutting down for the next two years for maintenance, a pause in operations that will no doubt herald a new wave of black hole jokes from those outside the scientific community. During the next 24 months, the accelerator will be subjected to a series of extensive repairs and upgrades that will affect every component of its hardware.

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Re: Science News

Postby sdsichero » Thu Mar 14, 2013 1:12 pm

Particle confirmed as Higgs boson

A newfound particle discovered at the world's largest atom smasher last year is indeed a Higgs boson, which is thought to play a role in how other subatomic particles get their mass, scientists reported Thursday at the annual Rencontres de Moriond conference in Italy.
Physicists announced on July 4, 2012, that, with more than 99 percent certainty, they had found a new elementary particle weighing about 126 times the mass of the proton that could be the long-sought Higgs boson. The Higgs is sometimes referred to as the "God particle," to the chagrin of many scientists, who prefer its official name.

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Re: Science News

Postby sdsichero » Thu Mar 14, 2013 1:31 pm

Astronomers find water vapour in atmosphere of distant planet

Astronomers have detected water vapour and carbon monoxide in the atmosphere of a planet 130 light years away from Earth. However, the planet, known only as HR8799c, is devoid of methane, a gas that can indicate life, the researchers said.

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Re: Science News

Postby David Bird » Thu Mar 14, 2013 3:30 pm



So... Andrew Higgs, Noble Laureate?

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