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Monday, April 29, 2013
Change is good.
Sunday, April 7, 2013
Dreamliner completes crucial test flight. How big a deal?
The FAA still needs to approve the results of the test flight and certify the battery system. Boeing's 787 Dreamliner has been grounded since mid-January because of smoldering batteries.
A LOT Polish Airlines 787 passenger jet takes off from Paine Field in Everett, Wash. The 787 Dreamliner flew a test flight Friday aimed at showing that the plane's new lithium-ion battery system meets regulatory safety standards ? a key step in ending a two-month, worldwide grounding of the high-tech jet.
Boeing/REUTERS
EnlargeBoeing?s troubled 787 Dreamliner passenger aircraft flew a crucial test flight Friday, one that could help determine whether the Federal Aviation Administration (FAA) gives it the go-ahead to resume commercial service.
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Brad Knickerbocker is a staff writer and editor based in Ashland, Oregon.
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The 787?Dreamliner?has been grounded since mid-January because of smoldering batteries, including a fire on the ground in Boston. Boeing has designed what it says is a fix, including more heat insulation and a battery box designed so that any meltdown of the lithium-ion battery will vent the hot gasses outside the plane.
"Today's demonstration flight is the final certification test for the new battery system," Boeing spokesman Marc Birtel said in a statement. "The purpose of the test is to demonstrate that the new system performs as intended during normal and non-normal flight conditions."
The FAA will still need to approve the results and certify the battery system before airlines can fly 787s again. Fifty 787s owned by eight airlines have been grounded worldwide. Nine days after the Boston battery fire, a second battery incident led to an emergency landing in?Japan.
The National Transportation Safety Board is still investigating the cause of the Boston fire, which was traced to a short circuit in one of the battery's eight cells, USA Today reports. The safety board has scheduled a two-day forum on lithium batteries next week and a hearing on the Boston fire on April 23 and 24.
The Dreamliner's battery woes also has drawn the attention of the US Senate, reports the Everett (Wash.) Herald newspaper. The transportation committee will hold an?April 16 hearing?on the FAA's ongoing investigation of the 787.
As the Monitor reported earlier this year, the 787 is a next-generation airliner designed to be 20 percent more energy-efficient than earlier passenger jets. The 787's lithium-ion batteries are at the center of that leap forward: They produce more power relative to their size than do traditional nickel cadmium batteries, and the 787 relies on its batteries to do much more than previous jetliners have.
Until the recent battery problems, reports Boeing, there were about 150 daily flights of the Dreamliner by airlines including All Nippon Airways, Japan Airlines, United Airlines, and Air India.
International Airlines Group?plans to buy 18 Dreamliners as it seeks to modernize the aging fleet of British Airways, its UK subsidiary, the Financial Times reported this week.
US Transportation Secretary Ray LaHood declined to say when he will decide whether to end the grounding, Bloomberg News reports.
?We want to get it right,? Secretary LaHood said Friday. ?We want to make sure that everything?s done correctly. We want to be able to assure the flying public that these planes are safe.?
The 792-mile test flight, which lasted just under two hours, began and ended at Paine Field in Everett, Wash. The test aircraft is scheduled for delivery to LOT Polish Airlines. Boeing has orders for another 800 Dreamliner aircraft.
??This report includes material from the Associated Press.
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North Korea threats spark buzz on Guam, not panic
FILE - In this Feb. 7, 2013 file photo, members of the 374th Airlift Wing of U.S. Air Force work on a C-130 aircraft during the Cope North military exercises at Andersen U.S. Air Force Base in Guam. There soon will be another military element to life on the U.S. territory _ a defense system will be installed to shoot down incoming missiles and warheads. Its deployment comes amid intensifying threats from North Korea, which recently listed Guam among its targets for a nuclear attack on the United States. (AP Photo/Koji Ueda, File)
FILE - In this Feb. 7, 2013 file photo, members of the 374th Airlift Wing of U.S. Air Force work on a C-130 aircraft during the Cope North military exercises at Andersen U.S. Air Force Base in Guam. There soon will be another military element to life on the U.S. territory _ a defense system will be installed to shoot down incoming missiles and warheads. Its deployment comes amid intensifying threats from North Korea, which recently listed Guam among its targets for a nuclear attack on the United States. (AP Photo/Koji Ueda, File)
HAGATNA, Guam (AP) ? C.J. Urquico has lived on Guam for 19 years so he's used to a military backdrop to everyday life. Navy ships visit, Air Force jets fly overhead and war games are played off the Pacific island's shores.
There soon will be another military element in this U.S. territory ? a defense system will be installed to shoot down incoming missiles and warheads. Its deployment comes amid intensifying threats from North Korea, which recently listed Guam among its targets for a nuclear attack on the United States.
That laid-back Guam is a named player in a nuclear showdown is the talk of the island. But at least for now, the population of about 180,000 is taking it in stride and not running for cover.
"The worst thing that can happen is we allow it to terrorize us," said Urquico, a 36-year-old creative director for a telecommunications company. And while "there's no real sinister feeling in the air," he added: "People are definitely paying attention. I mean, how many times do we ever trend on Twitter?"
The remote, 209-square-mile island in the Pacific is no stranger to international conflict. The island's waters are a graveyard for rusting equipment from World War II and the oldest residents remember living under Japanese occupation.
But many residents aren't taking the North Korean threat too seriously. The annual typhoon season may be a bigger concern.
"Fortunately everybody has concrete homes here so we're sort of a bunker already," joked Leonard Calvo, vice president of Calvo Enterprises, a firm that invests in insurance, real estate, media and retail and other businesses in Guam and other islands.
"I think this guy from North Korea is just puffing out his chest. A lot of people are numb to it."
The island's social media is abuzz with memes mimicking North Korea's leader, Kim Jong Un, with one joking that he is worried about "Guam bombs," a popular term for beat-up, used cars on the island.
Not everyone is taking the issue lightly. Headlines about the threats have flashed across the island's main news website for the past week, and some residents are brainstorming plans in case the worst-case scenario comes true.
Thomas Perez, an 18-year-old student at Guam High School, said he already has picked out a place to barricade himself in case the attack occurs.
"I could probably get there in 15 minutes," he said.
Guam Gov. Eddie Baza Calvo said the government is providing information to help residents prepare, including guidance for where to hide if radiation is in the air.
"As a governor and a father and a husband and a grandfather, I do have some concerns because of the proximity of Guam to North Korea," he said. "We are about a three hour flight away. That's about half the distance from Guam to Hawaii."
But he also stressed that an attack is a remote possibility and residents should go on with their daily lives.
The Pentagon system on its way to the island is part of a "layered" defense giving the military multiple opportunities to shoot down incoming missiles and warheads before they reach their targets. It's specifically designed to shoot down missiles during their final stage of flight, and is expected to arrive on Guam within the next few weeks.
Even if nothing more happens, for some residents, the international attention is significant in itself. University of Guam President Robert Underwood said the threat is an opportunity for students and educators to discuss Guam's role in global military strategy.
Urquico said the situation lets Guam's residents know they're not completely invisible to the rest of the world.
"I've never heard anyone make a direct threat to Guam," he said. "My response was: 'Wow, they can find Guam on the map? Most Americans can't.'"
___
AP writers Anita Hofschneider, Oskar Garcia and Audrey McAvoy contributed to this report from Honolulu.
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Cthulhu fhtagn! Indescribably terrifying microbes named for Lovecraft monsters.
Eldritch scientists at the University of British Columbia have named?Cthulhu macrofasciculumque?and?Cthylla microfasciculumque,?a pair of sightless, writhing, unfathomable horrors twisting and groping through the ensanguined interiors of half-mad termites,?for the unspeakably hideous abominations of the adjective-crazed pulp writer.
This incomprehensibly horrifying scanning electron microscope image shows Cthulhu macrofasciculumque, a symbiotic protist that resides in the hindgut of a termite. The scale bar is 10 micrometers.
PLOS ONE
EnlargeSuckling unnamable ichor as they slither through the viscous, shrieking madness of the intestinal tracts of lunatic termites, a pair of incomprehensibly monstrous single-celled organisms have been named after the creations of the early 20th century science fiction pulp writer, H.P. Lovecraft. ?
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A University of British Columbia?press release quotes Erick James, a biologist a whose impious explorations into the forbidden have unwittingly revealed a terrifying vista of dread.
??When we first saw them under the microscope they had this unique motion, it looked almost like an octopus swimming,? said James.?
Described in the current edition of the scientific journal PLOS ONE,?Cthulhu macrofasciculumque?is?named for Cthulhu, the towering cosmic entity with an octopus head and dragon wings who first appeared in Lovecraft's 1926 short story, "The Call of Cthulhu."?The microbe's length is about a fifth of the width of a human hair ? an unutterably degenerate human hair ? and it has up to 20 flagella, lash-like protrusions that help it swim.?Cthylla microfasciculumque is named for?Cthulhu's secret daughter. It is slightly smaller, with only five flagella.
In addition to saturating the collective unconscious of mankind with the latent madness of unfathomable cosmic eons,?both organisms play an important role in breaking down wood cellulose in the hindgut of the?Reticulitermes virginicus?termite.
The gut of a termite is a veritable Cyclopean nightmare corpse-city seething with microorganisms, their squirming, tentacle-like flails a kaleidoscope of polypous perversion.
?The huge diversity of microbial organisms is a completely untapped resource,? said James in the oozing, fetid??press release. ?Studying protists can tell us about the evolution of organisms. Some protists cause diseases, but others live in symbiotic relationships, like these flagellates in the intestines of termites.?
Cthulhu macrofasciculumque and?Cthylla microfasciculumque are not the only otherworldly horrors with Lovecraftian names. First described in 1994, the?Pimoa cthulhu spider is native to redwood forests in?Mendocino and Sonoma counties in California, where it waits until stars are ready so that it may rise again and bring the Earth beneath its terrible sway.
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Friday, April 5, 2013
Tom Cruise Almost Ready For Space Travel | Stuff.co.nz
Tom Cruise wants to fly into space after "other people test it out first".
The 50-year-old action hero says going into orbit has always been a boyhood dream.
Civilians will soon be able to follow astronauts into space as Sir Richard Branson plans to launch two-hour tourism missions on his Virgin Galactic later this year. ?
According to UK newspaper The Sun, Cruise is ready to follow the entrepreneur out of this world as soon as he's sure it's safe.
"Who wouldn't want to do something like that?" he gushed at the Moscow premiere of his new film Oblivion.
"I'm going to let a couple of other people test it out first but it would be great. I was always hoping when I was a kid that we would be travelling to different planets by now."
According to the Associated Press, over 500 people have purchased $200,000 tickets on Virgin Galactic.
Cruise has been thinking of space travel frequently as he plays one of the last surviving people on Earth after an alien invasion in his new futuristic film.
He admitted he's curious about life on other planets and encountering other beings doesn't seem out of the realm of possibility.
"I don't think you can actually count it out," he confessed. "It might be a little arrogant to think we were the only ones in all the galaxies throughout the universe - but I've never met one!" he laughed.
Cruise has had some experience prepping for space travel so he'll be ready to go when the time comes.
The actor flew a Space Shuttle simulator at Nasa's space centre in Houston, Texas as part of his research for Oblivion, according to The Sun.
- Cover Media
Source: http://www.stuff.co.nz/entertainment/celebrities/8504405/Cruise-almost-ready-for-space-travel
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Thursday, April 4, 2013
New measurement of crocodilian nerves could help scientists understand ancient animals
Apr. 4, 2013 ? Crocodilians have nerves on their faces that are so sensitive, they can detect a change in a pond when a single drop hits the water surface several feet away. Alligators and crocodiles use these "invisible whiskers" to detect prey when hunting. Now, a new study from the University of Missouri has measured the nerves responsible for this function, which will help biologists understand how today's animals, as well as dinosaurs and crocodiles that lived millions of years ago, interact with the environment around them.
"The trigeminal nerve is the nerve responsible for detection of sensations of the face," said Casey Holliday, assistant professor of anatomy in the MU School of Medicine. "While we've known about these sensitive nerves in crocodiles, we've never measured the size of the nerve bundle, or ganglion, in their skulls, until now. When compared to humans, this trigeminal nerve in crocodiles is huge."
The key to this measurement is a specific hole in the skull. The trigeminal nerve is rooted inside the skull, but must travel through a large hole before it branches out to reach the crocodile's skin on its face. By examining how the skull size, brain size and ganglion size relate to each other, scientists can estimate how sensitive the face is. Eventually, Holliday hopes to measure this nerve in other ancient and contemporary species to learn more about animal behavior.
"Currently, we rely on alligators, crocodiles and birds to provide us with information about how ancient reptiles, such as pre-historic crocodiles and dinosaurs, functioned," said Holliday, who co-authored the study with doctoral student Ian George. "However, the first thing we have to do is to understand how the living animals function."
When comparing the size of the hole for the trigeminal nerve found in alligators to that of certain dinosaurs, George says that the hole in the much-larger dinosaur skull is very similar in size or even smaller, which could give scientists more information about how well dinosaurs could detect small sensations on the face. From there, the scientists can start to trace the evolution of this nerve and the mechanism used by crocodiles.
"Some species of ancient crocodiles lived on land and they probably wouldn't have a use for a sensitive face that can detect disturbances in the water," George said. "So our next step is to trace back and determine when the nerve got bigger and see how that might have paralleled the animals' ecology."
Holliday says that this information will aid future research, including when his team will examine skulls of ancient crocodiles. Understanding this nerve and its functions could also lead to better understanding of the anatomical basis for behavior in many living animals, including fish, electric eels, platypi and humans.
"The same way that we would look at the size of the visual cortex in the brain to understand how well an animal might see, we can now look at the trigeminal nerve in animals to determine how sensitive their skin on their faces is," Holliday said.
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The above story is reprinted from materials provided by University of Missouri-Columbia.
Note: Materials may be edited for content and length. For further information, please contact the source cited above.
Journal Reference:
- Ian D. George, Casey M. Holliday. Trigeminal Nerve Morphology in Alligator mississippiensis and Its Significance for Crocodyliform Facial Sensation and Evolution. The Anatomical Record, 13 FEB 2013 DOI: 10.1002/ar.22666
Note: If no author is given, the source is cited instead.
Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.
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Roger Ebert's cancer forces critic to scale back on work - Zap2it
Roger Ebert was diagnosed with cancer over 10 years ago and in the decade since, has had surgery to remove his thyroid, salivary glands and lower jaw, while an emergency tracheotomy caused him to lose his ability to speak. He was fitted with a prosthetic jaw two years ago, but he said at the time, "I accept the way I look. Lord knows I paid the dues."
But now, the famed film critic reveals on his online journal that cancer has been found in his leg and that he's going to take a leave. But not a leave of absence. He calls it a "leave of presence."
"I must slow down now, which is why I'm taking what I like to call 'a leave of presence.' ... The 'painful fracture' that made it difficult for me to walk has recently been revealed to be a cancer. It is being treated with radiation, which has made it impossible for me to attend as many movies as I used to," writes Ebert, speaking of his hospitalization with a hip fracture back in December.
Ebert also writes of his plans to try to bring back television show "At the Movies," saying he's going to launch a Kickstarter to see if the fans can revive the popular review program.
Read more about Ebert's other plans, or just leave him well-wishes, here.
Photo/Video credit: Getty Images
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'; html += ''; jQuery.each(data.results.schedules, function(){ dateString = this.date.split("-"); if (this.time != null && this.time.length > 0) { timeString = this.time.split(" "); var d=new Date(dateString[2], dateString[0]-1, dateString[1], timeString[0].split(":")[0], timeString[0].split(":")[1], 0, 0); } else { var d=new Date(dateString[2], dateString[0]-1, dateString[1]); } date = new Date(dateString[2], dateString[0], dateString[1]); html += ''; var showTitle = this.title; if (!String.prototype.trim) { String.prototype.trim = function() { return this.replace(/^\s+|\s+$/g,''); } } var titleCount = showTitle.length; var shortTitle = jQuery.trim(showTitle).substring(0, 25).trim(this); if (titleCount > 25) { shortTitle +="..."; } if (previous != null && previous == this.link) { html += ""; } else if (this.programType == "MV") { html += '' + shortTitle + ''; } else if (this.episodeTitle != null) { html += '' + shortTitle + ''; } else if (this.showcardLink != null) { html += '' + shortTitle + ''; } else { html += '' + shortTitle + ''; } html += ''; month = date.getMonth() + 1; if (this.time != null && this.time.length > 0) { html += days[d.getDay()] + " " + (d.getMonth() + 1) + "/" + d.getDate() + " " + timeString[0] + " " + timeString[1] + " " + data.results.schedules[0].timezone; } else { html += days[d.getDay()] + " " + (d.getMonth() + 1) + "/" + d.getDate(); } html += ' '; if (this.callsign != null) { html += '(' + this.callsign + ')'; } else { html += "Check Local Listings"; } html += ''; previous = this.link; current++; if (current == total) { return false; } }); html += ''; } html += '
Source: http://blog.zap2it.com/pop2it/2013/04/roger-eberts-cancer-forces-critic-to-scale-back-on-work.html
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Wednesday, April 3, 2013
A giant step toward miniaturization: Nanotechnology transforms molecular beams into functional nano-devices with controlled atomic architectures
Apr. 3, 2013 ? Bottom-up synthesis of nanowires through metal-catalyzed vapor phase epitaxy is a very attractive process to generate high-quality nanowires thus providing an additional degree of freedom in design of innovative devices that extend beyond what is achievable with the current technologies.
In this nano-fabrication process, nanowires grow through the condensation of atoms released from a molecular vapor (called precursors) at the surface of metallic nano-droplets. Gold is broadly used to form these nano-droplets. This self-assembly of nanowires takes place spontaneously at optimal temperature and vapor pressure and can be applied to synthesize any type of semiconductor nanowires.
However, to functionalize these nanomaterials a precise introduction of impurities is central to tune their electronic and optical properties. For instance, the introduction of group III and V impurities in a silicon lattice is a crucial step for optimal design and performance of silicon nanowire technologies. The accurate control of this doping process remains an outstanding challenge that is increasingly complex as a result of the relentless drive toward device miniaturization and the emergence of novel nanoscale device architectures.
In a recent development, a team of scientists from Polytechnique Montr?al (Canada), Northwestern University (USA), and Max Planck Institute of Microstructure Physics (Germany) led by Professor Oussama Moutanabbir has made a fascinating discovery of a novel process to precisely functionalize nanowires. By using aluminum as a catalyst instead of the canonical gold, the team demonstrated that the growth of nanowires triggers a self-doping process involving the injection of aluminum atoms thus providing an efficient route to dope nanowires without the need of post-growth processing typically used in semiconductor industry. Besides the technological implications, this self-doping implies atomic scale processes that are crucial for the fundamental understanding of the catalytic assembly of nanowires.
The scientists investigated this phenomenon at the atomistic-level using the emerging technique of highly focused ultraviolet laser-assisted atom-probe tomography to achieve three-dimensional atom-by-atom maps of individual nanowires. A new predictive theory of impurity injections was also developed to describe this self-doping phenomenon, which provides myriad opportunities to create entirely new class of nanoscale devices by precisely tailoring shape and composition of nanowires.
The results of their breakthrough will be published in Nature.
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The above story is reprinted from materials provided by Polytechnique Montr?al, via EurekAlert!, a service of AAAS.
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Journal Reference:
- Oussama Moutanabbir, Dieter Isheim, Horst Blumtritt, Stephan Senz, Eckhard Pippel, David N. Seidman. Colossal injection of catalyst atoms into silicon nanowires. Nature, 2013; 496 (7443): 78 DOI: 10.1038/nature11999
Note: If no author is given, the source is cited instead.
Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.
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Where in the world is it safe to travel?
Click to explore. (CBC)
Reports of brutal rapes of foreign tourists in India and Brazil in recent months have rocked the international travel industry.
According to data cited by The Atlantic, visitors to India have dropped 25 percent since December's fatal gang-rape of a young woman on a bus in the capital of New Delhi, and 35 percent among female travelers. And that data was compiled before March 16, when a Swiss woman who was touring the central Indian state of Madhya Pradesh by bicycle with her husband was gang-raped by a group of eight men.
In Madhya Pradesh, there are nine reported rapes every day, according to the Washington Post.
In Brazil, where an American tourist was raped by three men over the course of six hours on Monday, reports of rapes there have risen 150 percent since 2009, The Atlantic reported.
Not surprisingly, Brazil and India are among the most dangerous places to travel, according to an interactive map produced by Canada's Department of Foreign Affairs.
But they're not the most dangerous: North Korea, Syria, Iraq, Iran, Afghanistan, Mail, Niger, Sudan, South Sudan, Central African Republic and Somalia are where would-be tourists are warned to "avoid all travel."
For other countries, like Libya, visitors are cautioned to "avoid non-essential travel."
The color-coded danger map also includes region- and time-specific warnings. In Pakistan, tourists are told to avoid:
- areas reporting military or militant activity;
- all border areas, except the Wagha official border crossing point;
- Kashmir region, including Azad Kashmir;
- the province of Baluchistan, including the city of Quetta;
- the Khyber Pakhtunkhwa province, including Swat, the city of Peshawar and the Khyber Pass;
- and the Federally Administered Tribal Areas.
In Mexico, those "required to travel to Monterrey, in the state of Nuevo Le?n, should avoid movement after dark and stay within the suburb of San Pedro Garza Garc?a."
So where, exactly, is it safe to travel? Australia, Botswana, Canada, Chile, most of Europe, Greenland, Iceland, New Zealand, Malaysia, South Korea, the United States and Uruguay, according to the agency.
"No matter where in the world you intend to travel," the department's website advises, "make sure you check the travel advice and advisories page twice: once when you are planning your trip, and again shortly before you leave. ... The decision to travel is the sole responsibility of the individual."
Source: http://news.yahoo.com/blogs/lookout/countries-safe-danger-travel-140344866.html
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Tesla Model S now eligible for non-traditional lease with resale guarantee
Just as Tesla isn't in the business of making average cars, it's just introduced a leasing program for the Model S sedan that's not entirely run-of-the-mill. Unique to the company's 66-month lease program, you'll find the option of selling the Model S after 36 months at a price that's pegged to the residual value of the Mercedes S Class. While that may sound all fine and dandy, be warned, if you couldn't afford a Model S before, there's a good chance it's still be a wee bit out of your grasp. The Tesla Model S 85kWh edition runs $1,199 per month, which then becomes slightly more palatable once tax credits are factored in. On the average, individuals can expect to pay between $732 to $940 per month for the privilege of leasing a Model S. Meanwhile, business users stand to benefit even more, who can use tax credits to bring the overall cost down to $505 per month. Feel free to hit up the source links if you now think Motor Trend's 2013 Car of the Year is an expense you can stomach, but for the rest of us, we'll just keep dreaming.
Filed under: Transportation
Source: http://feeds.engadget.com/~r/weblogsinc/engadget/~3/bpZPr7X3n68/
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