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sdsichero
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Re: Science News

Postby sdsichero » Thu Nov 17, 2011 3:03 am

Ionized Plasmas as Cheap Sterilizers for Developing World

University of California, Berkeley, scientists have shown that ionized plasmas like those in neon lights and plasma TVs not only can sterilize water, but make it antimicrobial -- able to kill bacteria -- for as long as a week after treatment.

Devices able to produce such plasmas are cheap, which means they could be life-savers in developing countries, disaster areas or on the battlefield where sterile water for medical use -- whether delivering babies or major surgery -- is in short supply and expensive to produce.

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Re: Science News

Postby sdsichero » Thu Nov 17, 2011 3:06 am

New Lightning-Fast, Efficient Nanoscale Data Transmission

A team at Stanford's School of Engineering has demonstrated an ultrafast nanoscale light-emitting diode (LED) that is orders of magnitude lower in power consumption than today's laser-based systems and is able to transmit data at the very rapid rate of 10 billion bits per second. The researchers say it is a major step forward in providing a practical ultrafast, low-power light source for on-chip data transmission.

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Re: Science News

Postby sdsichero » Thu Nov 17, 2011 3:07 am

Evidence for 'Great Lake' On Europa and Potential New Habitat for Life

In a significant finding in the search for life beyond Earth, scientists from The University of Texas at Austin and elsewhere have discovered what appears to be a body of liquid water the volume of the North American Great Lakes locked inside the icy shell of Jupiter's moon Europa.

The water could represent a potential habitat for life, and many more such lakes might exist throughout the shallow regions of Europa's shell, lead author Britney Schmidt, a postdoctoral fellow at The University of Texas at Austin's Institute for Geophysics, writes in the journal Nature.

Further increasing the potential for life, the newly discovered lake is covered by floating ice shelves that seem to be collapsing, providing a mechanism for transferring nutrients and energy between the surface and a vast ocean already inferred to exist below the thick ice shell.

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Re: Science News

Postby David Bird » Sat Dec 03, 2011 10:30 pm

Soda Bottle Solar Bulbs Bring Light to Thousands in the Philippines

Thousands of small houses in low-income areas of the Philippines’ capital region are receiving ultra cheap, energy-efficient light bulbs this week. The installations are part of a broader push to install the bulbs made from plastic soda bottles in one million homes by 2012.

Sheila Royeras says she, her husband, her mother and two children spend much of their time in the dark - even during they day. Their tiny house sits less than a meter from a two-story building under construction and among close, cramped units. Natural light comes in only through the small front door. They cannot afford to use electric lights during the day.

On a recent morning, volunteer workers outfitted Royeras’ house with solar light bulbs made out of used plastic soda bottles, some purified water and bleach...

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Re: Science News

Postby sdsichero » Sun Dec 04, 2011 4:43 am

David Bird wrote:


Interesting. Do I want a Pepsi or Coke lightbulb?...

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Re: Science News

Postby sdsichero » Tue Dec 06, 2011 1:43 pm

First Habitable-Zone Super-Earth Discovered in Orbit Around a Sun-Like Star

ScienceDaily (Dec. 5, 2011) — NASA's Kepler Mission has discovered the first super-Earth orbiting in the habitable zone of a star similar to the Sun. A team of researchers, including Carnegie's Alan Boss, has discovered what could be a large, rocky planet with a surface temperature of about 22 degrees Celsius (72 degrees Fahrenheit), comparable to a comfortable spring day on Earth.

This landmark finding will be published in The Astrophysical Journal.


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Re: Science News

Postby sdsichero » Tue Dec 06, 2011 1:46 pm

Record Massive Black Holes Discovered Lurking in Monster Galaxies

ScienceDaily (Dec. 5, 2011) — University of California, Berkeley, astronomers have discovered the largest black holes to date ‑- two monsters with masses equivalent to 10 billion suns that are threatening to consume anything, even light, within a region five times the size of our solar system.

These black holes are at the centers of two galaxies more than 300 million light years from Earth, and may be the dark remnants of some of the very bright galaxies, called quasars, that populated the early universe.

"In the early universe, there were lots of quasars or active galactic nuclei, and some were expected to be powered by black holes as big as 10 billion solar masses or more," said Chung-Pei Ma, UC Berkeley professor of astronomy. "These two new supermassive black holes are similar in mass to young quasars, and may be the missing link between quasars and the supermassive black holes we see today."

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Re: Science News

Postby sdsichero » Tue Dec 06, 2011 1:48 pm

Woolly Mammoth to Be Cloned

Within five years, a woolly mammoth will likely be cloned, according to scientists who have just recovered well-preserved bone marrow in a mammoth thigh bone. Japan's Kyodo News first reported the find. You can see photos of the thigh bone at this Kyodo page.

Russian scientist Semyon Grigoriev, acting director of the Sakha Republic's mammoth museum, and colleagues are now analyzing the marrow, which they extracted from the mammoth's femur, found in Siberian permafrost soil.

Grigoriev and his team, along with colleagues from Japan's Kinki University, have announced that they will launch a joint research project next year aimed at re-creating the enormous mammal, which went extinct around 10,000 years ago.

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Re: Science News

Postby DMM » Tue Dec 06, 2011 4:40 pm


Amazing... :o
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Re: Science News

Postby sdsichero » Tue Dec 06, 2011 4:45 pm

DMM wrote:Amazing... :o


You know what the result will be? Mammoth sushi

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Re: Science News

Postby DMM » Tue Dec 06, 2011 4:47 pm

sdsichero wrote:
You know what the result will be? Mammoth sushi

ewwww....

I'll take a mammoth steak, though. Maybe a rack of mammoth ribs.
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Re: Science News

Postby sdsichero » Tue Dec 06, 2011 4:54 pm

DMM wrote:ewwww....

I'll take a mammoth steak, though. Maybe a rack of mammoth ribs.


Yup.

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