Friday, October 9, 2009

Burning Buried Coal Has 'Potential'

Photo: In the future power stations could use gas extracted from seams of coals deep underground to generate electricity, say experts (Source: ABC)

From ABC News (Australia):

Burning coal underground could be one of the next breakthroughs to increase the world's energy supply, say some experts.

They say the technology could provide access to additional coal reserves that are either too deep or remote to mine.

But the approach is so far untested on a commercial scale, making the initial expense a concern for governments and investors.

Read more ....

Last Time Carbon Dioxide Levels Were This High: 15 Million Years Ago, Scientists Report

Photo: Aradhna Tripati. (Credit: Image courtesy of UCLA)

From Science Daily:

ScienceDaily (Oct. 9, 2009) — You would have to go back at least 15 million years to find carbon dioxide levels on Earth as high as they are today, a UCLA scientist and colleagues report Oct. 8 in the online edition of the journal Science.

"The last time carbon dioxide levels were apparently as high as they are today — and were sustained at those levels — global temperatures were 5 to 10 degrees Fahrenheit higher than they are today, the sea level was approximately 75 to 120 feet higher than today, there was no permanent sea ice cap in the Arctic and very little ice on Antarctica and Greenland," said the paper's lead author, Aradhna Tripati, a UCLA assistant professor in the department of Earth and space sciences and the department of atmospheric and oceanic sciences.

Read more ...

Real Tsunami May Have Inspired Legend of Atlantis


From Live Science:

The volcanic explosion that obliterated much of the island that might have inspired the legend of Atlantis apparently triggered a tsunami that traveled hundreds of miles to reach as far as present-day Israel, scientists now suggest.

The new findings about this past tsunami could shed light on the destructive potential of future disasters, researchers added.

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Has Science Found The Cause Of ME?

From The Independent:

Breakthrough offers hope to millions of sufferers around the world.

Scientists say they have made a dramatic breakthrough in understanding the cause of chronic fatigue syndrome – a debilitating condition affecting 250,000 people in Britain which for decades has defied a rational medical explanation.

The researchers have discovered a strong link between chronic fatigue syndrome, which is sometimes known as ME or myalgic encephalomyelitis, and an obscure retrovirus related to a group of viruses found to infect mice.

Read more ....

Canada Invests In Carbon Capture For Oil Sands

The Syncrude extraction facility in the northern Alberta oil sand fields is reflected in the pool of water being recycled for re-use in the extraction process in Fort McMurray, Canada in 2007. Canada will invest 865 million Canadian dollars (821 million US) to capture carbon emissions from its vast oil sands, reviled by environmentalists as hugely polluting, officials said Thursday.
(AFP/File/David Boily)

From Yahoo News/AFP:

OTTAWA (AFP) – Canada will invest 865 million Canadian dollars (821 million US) to capture carbon emissions from its vast oil sands, reviled by environmentalists as hugely polluting, officials said Thursday.

"The most viable emission-reducing technology for fossil fuels is carbon capture and storage," said Canadian Energy Minister Lisa Raitt.

"The government of Canada is backing up our support for carbon capture and storage with substantial investments... (to) reduce greenhouse gas emissions while creating high-quality jobs for Canadians."

Read more ....

NASA Craft Hits Moon South Pole Looking For Water

This artist's rendering released by NASA on Friday shows the Lunar Crater Observation and Sensing Satellite as it crashes into the moon to test for the presence of water. NASA, via Reuters

In Test of Water on Moon, Craft Hits Bull’s-Eye -- New York Times

MOUNTAIN VIEW, Calif. — More than 230,000 miles from Earth, a NASA spacecraft hit a bull’s-eye on the Moon on Friday morning. Actually, two bull’s-eyes.

At 4:31 a.m. Pacific time (7:31 a.m. Eastern time), one piece of the Lunar Crater Observation and Sensing Satellite — LCROSS, for short — slammed into the bottom of a crater at 5,600 miles per hour, excavating about 350 metric tons of the moon and leaving behind a hole about 65 feet wide, 13 feet deep.

Trailing four minutes behind, instruments aboard the second piece analyzed the rising plume and sent its observations back to Earth before it also slammed into the same crater.

Read more ....

More News On NASA

NASA makes as-yet unseen hit on moon with probes -- AP
NASA craft smacks the moon in quest for water -- L.A. Times
Searching for lunar water -- USA Today
NASA probes give moon a double smack -- AP
Nasa Moon bombing: analysis -- The Telegraph

South Pole Telescope Emerges From Dark Winter With Visions Of Unseen Galaxies

The South Pole Telescope with The Milky Way and Aurora Australis. (UPPA/Photoshot)

From Times Online:

The South Pole Telescope emerges from a six-month winter of perpetual darkness having discovered clusters of previously unseen galaxies.

The pole has been called “the most benign environment on Earth” for astronomy because of its altitude — 2,800m above sea level — dryness of air and virtual absence of light pollution.

Read more ....

Animals Survived Apocalypse By Burrowing

Ninety percent of all life was killed during the Permian mass extinction 250 million years ago. But the pig-sized animal Lystrosaurus curvatus and other species apparently survived by burrowing underground. Lunar and Planetary Institute

From Discovery:

When the going gets tough, putting your head in the sand isn't always a bad idea. According to a new study, that's exactly how a group of animals living 250 million years ago survived the worst mass extinction of all time.

In a series of new fossil discoveries in South Africa, researchers have uncovered a slew of petrified burrows, many of them a foot wide and a meter (3.3 feet) or more deep.

Read more ....

The Legacy Of America’s Largest Forest Fire

The forest fire of 1910 ripped through the town of Wallace, Idaho leaving it in complete shambles. Library of Congress

From The Smithsonian:

A 1910 wildfire that raged across three Western states helped advance the nation’s conservation efforts

Here now came the fire down from the Bitterroot Mountains and showered embers and forest shrapnel onto the town that was supposed to be protected by all those men with faraway accents and empty stomachs. For days, people had watched it from their gabled houses, from front porches and ash-covered streets, and there was some safety in the distance, some fascination even—See there, way up on the ridgeline, just candles flickering in the trees. But now it was on them, an element transformed from Out There to Here, and just as suddenly in their hair, on front lawns, snuffing out the life of a drunk on a hotel mattress, torching a veranda. The sky had been dark for some time on this Saturday in August of 1910, the town covered in a warm fog so opaque that the lights were turned on at three o’clock in the afternoon. People took stock of what to take, what to leave behind. A woman buried her sewing machine out back in a shallow grave. A pressman dug a hole for his trunk of family possessions, but before he could finish the fire caught him on the face, the arms, the neck.

Read more ....

War Injury Leads To Advances At Home

British soldiers on patrol in Helmand province, Afghanistan.
Photograph: John D McHugh/AFP/Getty images


From The L.A. Times:

The military takes the lead in brain trauma research, giving hope to wounded civilians of a 'silent epidemic.'

A world away from the roadside bombs and combat injuries of Iraq and Afghanistan, Americans are suffering the same type of brain injury seen in troops coming home from those war-torn countries. On American roads, at workplaces and on playing fields, more than 11 million have been hurt since the fighting overseas started.

Almost 1 in 5 of these civilians will struggle with lingering, often subtle symptoms -- headaches, dizziness, concentration difficulties and personality changes -- for a year, and often longer. As their memories falter, their work suffers and their relationships fray, many victims of brain trauma don't realize that their cognitive struggles are related to a blow to the head.

Read more ....

My Comment: Explosions, bombings, the noise and concussion of war has consequences that we are only now starting to understand. This research is valuable .... and should be pushed further.

Fresh Impact Risks For Asteroid 'Poster Child'

Still heading our way (Image: Stocktrek Images/Getty)

From New Scientist:

The chances of the asteroid Apophis hitting Earth in 2036 are lower than we thought. But those worried about deep impacts should add a new entry to their calendar: 2068.

When Apophis was first spotted in 2004, the 250-metre-wide rock was briefly estimated to have a 2.7 per cent chance of hitting Earth in 2029. Further observations quickly showed that it will miss Earth that year – but should it pass through a 600-metre-wide "keyhole" in space, it will return to hit Earth in 2036.

Read more ....

Thursday, October 8, 2009

Brain-Computer Interface Allows Person-to-person Communication Through Power Of Thought

Dr. Chris James demonstrating brain to brain communication using BCI to transmit thoughts, translated as a series of binary digits, over the Internet to another person whose computer receives the digits. (Credit: University of Southampton)

From Science Daily:

Science Daily (Oct. 6, 2009) — New research from the University of Southampton has demonstrated that it is possible for communication from person to person through the power of thought -- with the help of electrodes, a computer and Internet connection.

Brain-Computer Interfacing (BCI) can be used for capturing brain signals and translating them into commands that allow humans to control (just by thinking) devices such as computers, robots, rehabilitation technology and virtual reality environments.

Read more ....

Proposal Would Turn San Francisco Bridge Into A City

The Bay Line, a proposal for modular housing and other structures bolted to the now-unused San Francisco Bay Bridge. Design by Ronald Rael and Virginia San Fratello

From Live Science:


San Francisco's Bay Bridge is being redone; a large portion of the bridge will remain unused, but in good shape. What can city planners do with this unique, unused space?

Science fiction writer William Gibson thought about the Bay Bridge in his 1993 novel Virtual Light:

"[Chevette] looked up, just as she whipped between the first of the slabs, and the bridge seemed to look down at her, its eyes all torches and neon. She'd seen pictures of what it had looked like, before, when they drove cars back and forth on it all day, but she'd never quite believed them. The bridge was what it was, and somehow always had been. Refuge, weirdness, where she slept, home to many and all their dreams."

Read more
....

In The Future, All Our Pop Idols Will Be Machines


From Popular Science:

Performing live at CEATEC, everyone's favorite catwalk model bot has been loaded with Vocaloid software (Rin), enabling her to croon sweet pop songs.

Read more ....

Direction of NASA’s Future At An Impasse

From Wired Science:

The committee charged with rethinking American human spaceflight is done thinking, but it’s still unclear what the future of NASA’s astronaut corps might be, and some nagging issues have yet to be resolved.

The U.S. Human Space Flight Plans Committee — known informally as the Augustine commission, after its head Norm Augustine, former CEO of Lockheed Martin — held its last teleconference today. The ball, or hot potato, will soon be in the Obama administration’s court when the group formally presents its alternatives to the Office for Science and Technology Policy.

Read more ....

Fossils Suggest An Ancient CO2-Climate Link

Mark Pink / Alamy

From Time Magazine:

Some of the best evidence linking rising carbon dioxide levels to a warmer world comes from the coldest places on earth. Samples of ancient air extracted from deep inside the Antarctic and Greenland ice caps make it clear that CO2 is scarce in the atmosphere during ice ages and relatively abundant during warmer interglacial periods — like the one we're in now.

The relationship between CO2 and climate is clear going back about 800,000 years. Before that, however, it gets murkier. That's largely because ice and air that old haven't yet been found. So scientists rely instead on indirect measurements — and these have led to a climate mystery: some episodes of past warming, including a planetary heat wave about 15 million years ago and another about 3.5 million years ago, seem to have happened without a rise in CO2. No one quite understands why. Maybe other greenhouse gases were the cause — methane, for example. Or maybe it had to do with changes in ocean circulation.

Read more ....

Europa, Jupiter's Moon, Could Support Complex Life

Europa, pictured above, may have enough oxygen to support complex, animal-like organisms, according to a new study. NASA

From Discovery:

Jupiter's moon Europa should have enough oxygen-rich water to support not only simple micro-organisms but also complex life, according to a University of Arizona researcher who studies ice flows on the frozen moon.

Judging by how quickly Europa's surface ice is replenished, Richard Greenberg estimates that enough oxygen reaches the subterranean ocean to sustain "macrofauna" -- more complex, animal-like organisms.

Read more ....

The Fatal Consequences Of Counterfeit Drugs

From Smithsonian Magazine:

In Southeast Asia, forensic investigators using cutting-edge tools are helping stanch the deadly trade in fake anti-malaria drugs

In Battambang, Cambodia, a western province full of poor farmers barely managing to grow enough rice to live on, the top government official charged with fighting malaria is Ouk Vichea. His job—contending with as many as 10,000 malaria cases a year in an area twice as large as Delaware—is made even more challenging by ruthless, increasingly sophisticated criminals, whose handiwork Ouk Vichea was about to demonstrate.

Read more ....

PCs Are Best For E-Reading, Microsoft's Ballmer Says

Chief Executive Officer (CEO) of Microsoft Corporation Steve Ballmer gestures during a news conference to present the new Windows 7 operating system in Munich October 7, 2009. REUTERS/Michaela Rehle

From The Reuters:

ROTTERDAM, Netherlands (Reuters) - Microsoft has no plans to develop a digital book reader to compete with the fast-growing popularity of Amazon's Kindle or a device that rival Apple is reportedly developing.

Chief Executive Steve Ballmer said Microsoft had no need for its own e-reader, since it already supplies the software that runs the most popular device for electronic reading.

"We have a device for reading. It's the most popular device in the world. It's the PC," Ballmer said on Thursday on the sidelines of television show recording at Erasmus University in the Netherlands.

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NASA Catches Two Black Holes Sucking Face

Black Hole Merger: Two pinpoints of light represent black holes in the center of this combined X-ray/optical image NASA/CXC/MIT/C.Canizares, M.Nowak/STScI

From Popular Science:

The Chandra X-ray Observatory helped discover two merging black holes a mere 3,000 light years apart

Colliding black holes may prove more interesting to scientists than the immovable object versus the unstoppable force. New data from NASA's Chandra X-ray Observatory has combined with optical images from Hubble to show off a merging black hole pair in all its glory.

Read more ....