A Science News Aggregator That Covers Stories in the World Of Science And Technology.
Sunday, November 15, 2009
Surf's Up! Hawaiian Sea Turtles Take To The Waves
From The Daily Mail:
He has eaten a big lunch and had a snooze on the beach. So this turtle is looking for a nice quiet journey home.
Rather than be crashed about on the breakers as he makes his way back out to sea, he ducks down to the sand for a smoother ride.
The Hawaiian green sea turtle makes the same journey every day to and from the Laniakea Beach in Hawaii, where he munches on seaweed and takes his rest.
Read more ....
Tick-Tock - The Clock Is Running On Europe's Proposed Sat-Nav System, Galileo
Most people have had a pop at Europe's proposed sat-nav system, Galileo, down the years. Let's face it, it's been an easy target.
Artist's impression of an IOV satellite in orbit"How not to implement a large-scale infrastructure project" is the criticism you often hear. "The Common Agricultural Policy in the sky" also became a popular jibe for a while.
Galileo will be at least five years late on its original timescale and hugely over budget.
It should have been fully operational by now and have cost the European taxpayer no more than 1.8bn euros.
Read more ....
Scientists Find Key To Creating Clean Fuel From Coal And Waste
From The Guardian:
'Gasification' process enhanced to save millions of tonnes of carbon and provide energy
Millions of tonnes of carbon dioxide could be prevented from entering the atmosphere following the discovery of a way to turn coal, grass or municipal waste more efficiently into clean fuels.
Scientists have adapted a process called "gasification" which is already used to clean up dirty materials before they are used to generate electricity or to make renewable fuels. The technique involves heating organic matter to produce a mixture of hydrogen and carbon monoxide, called syngas.
Read more ....
The Vatican And The Internet. Working Together
Experts on the internet have gathered at the Vatican to help the Holy See improve its public relations by getting to grips with new media, including the mysteries of internet searching, downloading, hacking and social networking.
The conference, attended by European Catholic bishops, includes representatives of Google, Facebook, YouTube and Wikipedia. Corriere della Sera said that the bishops and Vatican officials would be given advice by a young hacker from Switzerland, named only as "Petit Frere Bruno", and an Interpol expert on cybercrime. It is organised by the Swiss-based European Episcopal Commission for Media.
Read more ....
New Type Of Supernova Lacks "Oomph"
From Cosmos:
SYDNEY: Astronomers have discovered a new type of supernova - the thermonuclear blast from a dying star - which happens three to four times faster than other known types.
Writing in the U.S. journal Science, the researchers, led by astronomer Dovi Poznanski from the University of California, Berkeley, said it is the fastest evolving supernova they have ever seen.
"It was three to four times faster than a standard supernova, basically disappearing within 20 days. Its brightness just dropped like a rock," he said.
Read more ....
Longevity Tied to Genes That Preserve Tips of Chromosomes
From Science Daily:
Science Daily (Nov. 15, 2009) — A team led by researchers at Albert Einstein College of Medicine of Yeshiva University has found a clear link between living to 100 and inheriting a hyperactive version of an enzyme that rebuilds telomeres -- the tip ends of chromosomes.
The findings appear in a recent issue of the Proceedings of the National Academy of Sciences.
Read more ....
Female Wild Horses Stick Together
From Live Science:
Wild mares that form strong social bonds with other mares produce more foals than those that don’t, researchers have found, in what may be the first documented link between “friendship” and reproductive success outside of primates.
The study followed bands of feral horses in the Kaimanawa Mountains of New Zealand over the course of three years. Elissa Z. Cameron, now at the University of Pretoria in South Africa, and two colleagues computed sociality scores for 56 mares, based on parameters such as the proportion of time each animal spent near other mares and the amount of social grooming she did.
Read more ....
California Droughts When Planet Warms?
Why worry about earthquakes when we can worry about massive droughts instead?
California experienced centuries-long droughts in the past 20,000 years that coincided with the thawing of ice caps in the Arctic, according to a new study by UC Davis doctoral student Jessica Oster and geology professor Isabel Montañez.
The finding, which comes from analyzing stalagmites from Moaning Cavern in the central Sierra Nevada, was published online Nov. 5 in the journal Earth and Planetary Science Letters.
Global warming gets a lot of attention due to the prospects of huge low lying areas getting submerged. But big changes in regional climate - whether human caused or not - seem much more interesting to me. Such changes could occur at any time.
Read more ....
On the Copenhagen Agenda, Reducing Deforestation May Still Succeed
From Time Magazine:
This month, the journal Nature Geoscience published a study calculating that deforestation is responsible for about 15% of global carbon emissions, down from earlier estimates of 20% or more. Most of the world's deforestation is concentrated in a few tropical nations, like Brazil and Indonesia where trees are disappearing fast — when these trees die or are burned, they release into the atmosphere all the carbon they've sucked up while they were alive. According to the Nature Geoscience study, the problem of deforestation is becoming a lot less dire than previously thought.
Read more ....
Michael Jackson Planned 'Robot Duplicate' Of Himself
From Register:
Dead megastar droid zombie blueprints offered for $1m.
Famous dead pop legend Michael Jackson intended to construct an eerily-lifelike robotic duplicate of himself, according to reports. Detailed three-dimensional scans of the deceased globo-celeb's body were made, and the super-accurate body maps are now said to be on sale for a million dollars.
The story was reported yesterday by the Daily Star, which says that the occasionally troubled dead overlord of pop had the scans made in 1996 "in a bizarre bid to build a robot twin... [Unidentified] scientists say following his death on June 25, the eerie images could be used to bring him back".
Read more ....
Mini Ice Age Took Hold Of Europe In Months
From New Scientist:
JUST months - that's how long it took for Europe to be engulfed by an ice age. The scenario, which comes straight out of Hollywood blockbuster The Day After Tomorrow, was revealed by the most precise record of the climate from palaeohistory ever generated.
Around 12,800 years ago the northern hemisphere was hit by the Younger Dryas mini ice age, or "Big Freeze". It was triggered by the slowdown of the Gulf Stream, led to the decline of the Clovis culture in North America, and lasted around 1300 years.
Read more ....
Telegraph.co.uk At 15: Making The News
From The Telegraph:
The machinery for putting the news online has changed a lot in the 15 years that Telegraph.co.uk has been live, says Ian Douglas.
In the summer of 1999, when the web was nine years old, the Telegraph's website was almost five and I arrived at Canary Wharf for my first shift. Newcomers were paired with someone with more experience to learn the ropes.
Check the text, paste some tags in here and here, add links to the bottom of the page, then send it off, I was told. 'Send it off where,' I asked. 'To Overlord,' was the ominous reply. Overlord was the batch process built by Tim Brown, architect of the early online Telegraph efforts. Tim was usually to be found cropping photographs in the corner on night shifts, but two years before I arrived he had built the newspaper's first web content management system in his spare time. Overlord took the stories that had been worked on throughout the evening and turned them into web pages to be published on a server sitting in a cupboard a few doors down.
Read more ....
The Giant Iceberg That Went Walkabout... Towards The Coast Of Australia
From The Daily Mail:
Australia is known for sunny beaches, surfers, and blistering Outback heat.
So scientists were a bit taken aback when they spotted this giant iceberg floating near an island Down Under.
Australian Antarctic Division researchers were working on Macquarie Island when they first saw the iceberg last Thursday about about five miles off the island. It is rare to see an iceberg floating so far north of Antarctica, researchers said.
Read more ....
Apec Leaders Drop Climate Target
World leaders meeting in Singapore have said it will not be possible to reach a climate change deal ahead of next month's UN conference in Denmark.
After a two-day Asia-Pacific summit, they vowed to work towards an "ambitious outcome" in Copenhagen.
But the group dropped a target to halve greenhouse gas emissions by 2050, which was outlined in an earlier draft.
Read more ....
Saturday, November 14, 2009
Army Corps of Engineers Now Required to Consider Climate Change in All Future Projects
From Popular Science:
Worst-case planning never hurt anybody, and certainly not federal water projects that cost millions of dollars and could be easily undone by climate change and rising sea levels. A new policy now requires the U.S. Army Corps of Engineers to plan for future climate change when designing plans for flood control or other projects.
Read more ....
Can Alternative Energy Save The Economy And The Climate?
From Scientific American:
The "new energy" economy rolls forward even as hopes for an international deal to combat climate change at Copenhagen shift into reverse.
BRIGHTON, Colo. - The low-carbon economy has already arrived on the windy prairie north of this fast-growing Denver 'burb. It's here that Danish wind-turbine giant Vestas converted 298 acres of hayfield into the West's largest turbine factory - and turned Brighton into a magnet for "green" energy companies.
It's part of a $1 billion investment by the company in the United States, what Colorado Gov. Bill Ritter touts as a "new energy economy."
Read more ....
Watch A 2006 Bugatti Veyron Crash On Video
Facebook video of a 2006 Bugatti Veyron crash shows the car making a wall of water as it hits a Texas lagoon. No one was injured in the crash.
It’s one of the rarest cars on the road, and Galveston, Tex. medical school student Joe Garza saw it crash on his way to get groceries.
He and a friend were driving off of Galveston Island when they pulled up alongside the $2 million French supercar, believed to be one of just 15 in the US. When they pulled up to the sporty two-seater, Garza whipped out his camera and started shooting. That’s when the unthinkable happened.
Read more ....
Cocaine And Pepper Spray – A Lethal Mix?
From New Scientist:
DEATHS in US police custody during the early 1990s may have been the result of an interaction between capsaicin, the key ingredient in pepper sprays, and psychostimulant drugs, an experiment in mice suggests.
If the two have a fatal interaction in people then police forces might have to rethink their use of pepper spray as a non-lethal weapon, says John Mendelson of the Addiction and Pharmacology Research Laboratory at St Luke's Hospital in San Francisco, who led the mouse research.
Read more ....
El Niño Gaining Strength
From Watts Up With That?
From the “WUWT never reports on anything warm department”, JPL reports El Niño looks like it is on schedule to make a Christmas appearance as “The Boy”. The good news is that it will likely help California’s water situation this year.
From NASA Jet Propulsion Laboratory
El Niño is experiencing a late-fall resurgence. Recent sea-level height data from the NASA/French Space Agency Ocean Surface Topography Mission/Jason-2 oceanography satellite show that a large-scale, sustained weakening of trade winds in the western and central equatorial Pacific during October has triggered a strong, eastward-moving wave of warm water, known as a Kelvin wave.
Read more ....
Google's Replacement for HTTP Protocol To Make Web Browsing Twice As Fast
From Popular Science:
The proposed rewrite of the web's backbone comes with both benefits and caveats.
Google has scarcely stopped for a breather since launching its cloud-based Chrome OS as an alternative to PC and Mac operating systems. Now its Chromium group has announced an effort to replace the traditional HTTP web browser language with a new protocol that supposedly boosts Internet browsing by up to 55 percent.
Read more ....
Rat Made Supersmart -- Similar Boost Unsafe in Humans?
From National Geographic:
By modifying a single gene, scientists have made Hobbie-J the smartest rat in the world, a new study says.
A similar gene tweak might boost human brainpower too, but scientists warn that there is such a thing as being too smart for your own good.
For years scientifically smartened rats have skittered through movies and books such as Flowers for Algernon and The Secret of NIMH. But Hobbie-J is anything but fiction.
Read more ....
The 10 Weirdest Physics Facts, From Relativity To Quantum Physics
From The Telegraph:
People who think science is dull are wrong. Here are 10 reasons why.
Physics is weird. There is no denying that. Particles that don’t exist except as probabilities; time that changes according to how fast you’re moving; cats that are both alive and dead until you open a box.
We’ve put together a collection of 10 of the strangest facts we can find, with the kind help of cosmologist and writer Marcus Chown, author of We Need To Talk About Kelvin, and an assortment of Twitter users.
Read more ....
Dinosaur Discovered In South Africa... And May Reveal How They Grew To Be So Big
From The Daily Mail:
A new dinosaur named the 'Earth Claw' has been discovered in South Africa.
The discovery of the Aardonyx celestae marks a breakthrough in understanding how creatures began walking on all fours - and why they grew so large, scientists claimed yesterday.
Researchers believe the near-perfect skeleton bridges the gap between the earliest two-legged specimens and those who later walked on four limbs.
Read more ....
Friday, November 13, 2009
Two Earth-sized Bodies With Oxygen Rich Atmospheres Found, But They're Stars Not Planets
From Science Daily:
Science Daily (Nov. 13, 2009) — Astrophysicists at the University of Warwick and Kiel University have discovered two earth sized bodies with oxygen rich atmospheres -- however there is a bit of a disappointing snag for anyone looking for a potential home for alien life, or even a future home for ourselves, as they are not planets but are actually two unusual white dwarf stars.
Read more ....
Humans Still Evolving As Our Brains Shrink
From Live Science:
Evolution in humans is commonly thought to have essentially stopped in recent times. But there are plenty of examples that the human race is still evolving, including our brains, and there are even signs that our evolution may be accelerating.
Shrinking brains
Comprehensive scans of the human genome reveal that hundreds of our genes show evidence of changes during the past 10,000 years of human evolution.
Read more ....
Medpedia To Best The More Democratic Wikipedia?
From CNET News:
Medpedia, a collaborative project for medical information launched in February, is getting beyond the medical-data basics as it adds answers, alerts, and analysis.
Founded on the noble and semipractical system of providing free online medical information generated for and by physicians, journals, schools, patients, and more, Medpedia's three stated goals are to be collaborative, interdisciplinary, and transparent. The idea is to maximize knowledge and minimize the kind of screwing around that continually threatens the efficacy of other wiki-based projects. Of course, the extent to which this is successful hinges on the quality, integrity, and transparency of the editors.
Read more ....
Quantum 'Trampoline' To Test Gravity
IT'S the world's smallest trampoline. Bouncing atoms with lasers could make ultra-precise measurements of gravity.
To test theories such as general relativity, the strength of gravity is measured precisely using ensembles of supercold atoms falling in a vacuum chamber. These ensembles are called "Bose-Einstein condensates".
How The Brain Hard-Wires Us To Love Google, Twitter, And Texting. And Why That's Dangerous.
Seeking. You can't stop doing it. Sometimes it feels as if the basic drives for food, sex, and sleep have been overridden by a new need for endless nuggets of electronic information. We are so insatiably curious that we gather data even if it gets us in trouble. Google searches are becoming a cause of mistrials as jurors, after hearing testimony, ignore judges' instructions and go look up facts for themselves. We search for information we don't even care about. Nina Shen Rastogi confessed in Double X, "My boyfriend has threatened to break up with me if I keep whipping out my iPhone to look up random facts about celebrities when we're out to dinner." We reach the point that we wonder about our sanity. Virginia Heffernan in the New York Times said she became so obsessed with Twitter posts about the Henry Louis Gates Jr. arrest that she spent days "refreshing my search like a drugged monkey."
Read more ....
National Security Agency's Surveillance Data Could Fill Two States by 2015
From Popular Science:
Where will the NSA house its secret yottabytes?
We always knew that the National Security Agency collects a lot of surveillance data from satellites and by other means, but we never quite imagined it was this much: the NSA estimates it will have enough data by 2015 to fill a million datacenters spread across the equivalent combined area of Delaware and Rhode Island. The NSA wants to store yottabytes of data, and one yottabyte comes to 1,000,000,000,000,000 GB.
Read more ....
Friday The 13th Superstitions Get Rare Workout In 2009
From National Geographic:
Today, Friday the 13th superstitions are fraying nerves for the third time in 2009.
Luckily for paraskevidekatriaphobics—people who harbor Friday the 13th superstitions—three Friday the 13ths are the yearly maximum, at least as long as we continue to mark time with the Gregorian calendar, which Pope Gregory XIII ordered the Catholic Church to adopt in 1582.
Read more ....
Pursuit Of Pleasure Drives Human Decisions
From The Telegraph:
The pursuit of pleasure drives the everyday decisions that direct people's lives, research suggests.
Scientists discovered that a reward chemical in the brain plays a key role in choices such as where to go on holiday.
They believe the ''pleasure principle'' may be at the heart of most human decision making.
Read more ....
There Is More Water On The Moon Than What We Thought
There is water on the moon, NASA confirmed today, and lots of it.
In the first look at results from the LCROSS mission, which sent a probe crashing into the Cabeus crater near the moon’s south pole, NASA’s main investigator said their instruments clearly detected water, despite the underwhelming plume.
Within the field of view of their instruments, the team measured approximately 220 pounds or about 26 gallons of water. Next, the team will try to understand how the compounds they saw in the plume relate to what’s actually embedded in the lunar regolith at the bottom of the permanently shadowed crater.
NASA discovers 'significant' amount of water on moon -- Washington Post
NASA sees "significant quantities" of water on the moon -- Ars technica
Splash! NASA moon strikes found significant water -- AP
Water Found on Moon, Scientists Say -- New York Times
NASA Moon Crash Found 'Significant Amount' of Water -- FOX News
Water found on Moon after Nasa 'bombing' mission -- The Telegraph
Rosetta Probe Makes Final Earth Flyby As It Sling-Shots Towards Speeding Comet
From The Daily Mail:
This spectacular image of our home planet was captured by Europe's Rosetta probe as it made its third and final flyby of Earth.
The outline of Antarctica is visible under the clouds in the illuminated crescent. Pack ice in front of the coastline caused the very bright spots on the image.
The Earth image was taken by the-board camera OSIRIS yesterday, from a distance of 393,000 miles.
Read more ....
Pollination In The Pre-Flower-Power Era
From Science News:
Scorpionflies may have aided plant reproduction long before blossoms evolved.
An obscure group of scorpionflies with specialized mouthparts may have pollinated ancient plants millions of years before flowers evolved, a new study suggests.
Fossils indicate that before flowers evolved about 130 million years ago, most plants with seeds were wind-pollinated. Yet the pollen grains of some plants that lived in the prefloral era were too big to be wind-dispersed, say Conrad Labandeira, a paleoentomologist at Smithsonian Institution’s National Museum of Natural History in Washington, D.C. Also, he notes, pollen receptors were hidden deep within some of those plants and wouldn’t have been readily exposed to windborne pollen.
Read more ....
ESA Spacecraft May Help Unravel Cosmic Mystery
From Science Daily:
Science Daily (Nov. 13, 2009) — When Europe's comet chaser Rosetta swings by Earth on Nov. 13 for a critical gravity assist, tracking data will be collected to precisely measure the satellite's change in orbital energy. The results could help unravel a cosmic mystery that has stumped scientists for two decades.
Since 1990, scientists and mission controllers at ESA and NASA have noticed that their spacecraft sometimes experience a strange variation in the amount of orbital energy they exchange with Earth during planetary swingbys. The unexplained variation is noticed as a tiny difference in speed gained or lost during the swingby when comparing that predicted by fundamental physics and that actually measured after the event.
Read more ....
Friday The 13th: Your Luck Is About To Change
If Friday the 13th is unlucky, then 2009 has been an unusually unlucky year. But your luck is about to change. Today is the last of three Friday the 13ths you'll have to endure this year.
The other two were in February and March. Such a rare triple-threat occurs only once every 11 years.
The origin of the link between bad luck and Friday the 13th is murky. The whole thing might date to Biblical times (the 13th guest at the Last Supper betrayed Jesus). By the Middle Ages, both Friday and the number 13 were considered bearers of bad fortune. In modern times, the superstition permeates society.
Read more ....
Tiny Mutation Led To Human Speech
From Cosmos:
PARIS: Two minute evolutionary changes in a gene that is otherwise identical in humans and chimps could explain why we have fully fledged power of speech while other primates do not.
The findings may also point to new drug targets for hard-to-treat diseases that disrupt speech, such as schizophrenia and autism, said a study detailed in the British journal Nature today.
Read more ....
Behind The CDC's Soaring H1N1 Death Totals
The Centers for Disease Control and Prevention (CDC) released on Thursday updated estimates of the number of H1N1 infections and deaths in the U.S. According to the new figures, about 4,000 Americans, including 540 children, have died of H1N1 flu, and 2 million people have been infected since April, when the novel flu virus first surfaced. The new death toll, which encompasses data through Oct. 17, represents a tripling of CDC estimates issued just last week; the number of deaths in children quadruples last week's figures. But the increase does not mean that the disease has suddenly become more deadly or severe, according to health officials, who say they are not surprised by the higher numbers.
Read more ....
Undercurrent Of Doubt Over Electric Motors
From The Independent:
Greener power generation needed if electric vehicles are really to reduce emissions.
Electric cars , which emit no carbon dioxide from their tailpipe, are not the answer some people think they are to environmental transport problems, a new report claims today.
The idea that a wholesale switch to electric transport would automatically reduce CO2 emissions and dependence on oil is a myth, says the analysis prepared for the Environmental Transport Association (ETA).
Read more ....
His Facebook Status Now? ‘Charges Dropped’
From The New York Times:
Where’s my pancakes, read Rodney Bradford’s Facebook page, in a message typed on Saturday, Oct. 17, at 11:49 a.m., from a computer in his father’s apartment in Harlem.
At the time, the sentence, written in indecipherable street slang, was just another navel-gazing, cryptic Facebook status update — words that were gobbledygook to anyone besides Mr. Bradford.
Read more ....
Mars Rover Battles For Its Life
From New Scientist:
NASA's twin Mars rovers have outlasted their planned three-month missions for so long that they seem indestructible. Nearly six years on, their presence on the Red Planet is taken for granted, as if they are immutable parts of the Martian landscape.
But we may soon have to confront a new reality. Spirit, which has always suffered more hardships than Opportunity, is facing its toughest challenge yet. When New Scientist went to press, the rover was set to begin a risky push to free itself from a sand trap it has been mired in for six months. Mission engineers say it may not survive the attempt. "She's in a very precarious situation, and we don't know for sure if we're going to get her out," says rover driver Scott Maxwell of NASA's Jet Propulsion Laboratory (JPL) in Pasadena, California.
Robo-Negotiator Talks Down Armed Lunatic
From Popular Science:
Hostage situations are often described like explosive devices, as ticking time bombs waiting to go off. And just as bomb disposal units have robots to help with their job, now police negotiators have a bot of their own for defusing a different kind of explosive situation.
Read more ....
Warning Of Extra Heart Dangers From Mixing Cocaine And Alcohol
From The Guardian:
A third chemical – cocaethylene – builds up in the liver over a number of years among those who mix the two drugs. And this is now having major health consequences.
"I first took coke when I was 18 and at university. I remember two friends who did chemistry told me I should get really drunk first because it would mix into this new chemical in my blood and make me even higher," a 30-year-old woman who works in publishing told the Observer yesterday.
Read more ....
Great Pacific Garbage Patch Keeps Getting Bigger
From Future Pundit:
We are letting far too much plastic end up in the oceans.
ABOARD THE ALGUITA, 1,000 miles northeast of Hawaii — In this remote patch of the Pacific Ocean, hundreds of miles from any national boundary, the detritus of human life is collecting in a swirling current so large that it defies precise measurement.
In 1804, a little over 200 years ago, the planet had a human population of 1 billion people. Back then the oceans seemed immense and beyond the capacity of humans to change. Yet by 1850 whale hunting peaked due to over harvesting and we've since drastically drawn down the stocks of other ocean-going creatures such as cod and salmon.
Read more ....Thursday, November 12, 2009
High-performance Plasmas May Make Reliable, Efficient Fusion Power A Reality
From The Science Daily:
Science Daily (Nov. 12, 2009) — In the quest to produce nuclear fusion energy, researchers from the DIII-D National Fusion Facility have recently confirmed long-standing theoretical predictions that performance, efficiency and reliability are simultaneously obtained in tokamaks, the leading magnetic confinement fusion device, operating at their performance limits. Experiments designed to test these predictions have successfully demonstrated the interaction of these conditions.
Read more ....
Origin of Household Dust Pinned Down
From Live Science:
No matter how much you clean, dust always comes back, and you might have wondered how it all gets there. Now, researchers have created a new computer model to explain what happens.
Most dust originates outdoors and comes in through the air, rather than trampled in on people's shoes, at least in a group of homes in the Midwestern United States, they found.
Read more ....
U.S. Army Orders Bridges Made Of Recycled Plastic
From CNET News:
Axion International Holdings has won a $957,000 contract to provide the U.S. Army with two bridges made from a thermoplastic composite and recycled plastic, the company announced Wednesday evening.
The two bridges, which are replacing old wooden ones, will be constructed at Fort Eustis in Virginia from a proprietary Recycled Structural Composite (RSC) developed by Axion in conjunction with scientists at Rutgers University.
Read more ....
Flu Spray vs. Shot: Is One Better?
My four-year-old got her swine flu vaccination yesterday. At the time, I was relieved when the school nurse pulled out a spray rather than a syringe.
Flu-spray-278x225
There were no tears -- or at least fewer than if she had gotten a shot.
But then I started to wonder -- is this really as good as the real thing ... that is, the needle?
Apparently I'm not alone. My neighborhood parent list serve has been peppered with posts from parents wondering the same thing.
Read more ....
Lithium Clue For Planet-Hunters
From The BBC:
Astronomers may have found a way to identify those Sun-like stars most likely to harbour orbiting planets.
A survey of stars known to possess planets shows the vast majority to be severely depleted in lithium.
To date, scientists have detected just over 420 worlds circling other stars using a range of techniques.
Garik Israelian and colleagues tell the journal Nature that future planet hunts could be narrowed by going after stars with particular compositions.
Read more ....
4 High-Tech Surprises From The USS New York
From Popular Mechanics:
The USS New York, commissioned this month in its namesake city, is the Navy's newest warship. It's a Landing Platform Dock ship, which means it brings Marines to wherever they are needed. The 700 marines on the ship travel ready for combat, and that means landing hovercraft (called Landing Craft Air Cushions), attack helicopters, tanks, amphibious vehicles and V-22 Ospreys come along for the ride. The aircraft launch from the ship and are maintained in hangars on and below the flight deck. The New York has the most famous hull in the world—the Navy integrated 7.5 tons of steel from the fallen World Trade Center towers into the bow. But that is not the only interesting detail of this new vessel's design. Here are four high-tech surprises the USS New York has in store for enemies.
Read more ....
In SUSY We Trust: What The LHC Is Really Looking For
From New Scientist:
AS DAMP squibs go, it was quite a spectacular one. Amid great pomp and ceremony - not to mention dark offstage rumblings that the end of the world was nigh - the Large Hadron Collider (LHC), the world's mightiest particle smasher, fired up in September last year. Nine days later a short circuit and a catastrophic leak of liquid helium ignominiously shut the machine down.
Now for take two. Any day now, if all goes to plan, proton beams will start racing all the way round the ring deep beneath CERN, the LHC's home on the outskirts of Geneva, Switzerland.
When the DoD's Fantasy Projects Get Real: DARPA Monitors Student Minds, SOCOM Wants Robo-Go-Fast Boats, And More
From Popular Science:
Three times a year, the Department of Defense (DoD) solicits help from the small business community to transform their high-tech research projects into actual, usable products. While the businesses use this opportunity to fight for some of that sweet, sweet government pork, for us, it's a chance to get a look at the next generation of advanced military gear. With the new solicitations out today, we're counting down the most intriguing projects that the DoD wants to get out of the lab and onto the battlefield.
Read more ....
My Comment: Everyone comes out of the woodwork for these type of shows .... myself included.