ackthpt writes "A network of fixed buoys and solar powered surfing robots called Wave Gliders are set to track Great White Sharks in the Pacific, off the California coast near San Francisco, between Monterey Bay and Tomales Point. According to PhysOrg, 'The self-propelled wave and solar-powered glider is part of a new network of data receivers on fixed buoys will pick up signals from acoustic tags on animals passing within 1,000 feet and transmit the data to a research team on shore, led by Stanford University Marine Sciences Prof. Barbara Block.' Related to the project is 'Shark Net,' a new iOS app 'available free of charge at the Apple app store, created by Dr. Block and her colleagues with developers from TOPP, EarthNC and Gaia GPS to enable a direct, personal connection between the public and wild marine animals and to raise public awareness of the ocean wilderness teeming with life just off North America's West Coast.'"

sciencehabit writes "Don't feel inadequate. Even though your teeth are largely composed of a mineral softer than that found in sharks, new tests suggest that they're just as tough. In sharks, the material coating the teeth is largely composed of fluoroapatite, a fluoridated phosphate mineral that in its pure form is harder than the hydroxyapatite found in the enamel of human teeth. But by pressing tiny metallic pyramids into the surfaces of teeth from a shortfin mako shark and a tiger shark, researchers found that the enameloid coating on shark teeth is no harder than that of the enamel on a human wisdom tooth. The teeth are, in fact, of comparable hardness because their surfaces aren't pure mineral but instead are made of mineral crystals bound together with proteins so that the material doesn't shatter under a sudden impact."

ananyo writes "Scientists have reported the first tabletop source of ultra-short, laser-like pulses of low energy, or 'soft,' X-rays. The light, capable of probing the structure and dynamics of molecules (abstract), was previously available only at large, billion-dollar national facilities such as synchrotrons or free-electron lasers, where competition for use of the equipment is fierce. The new device, by husband-and-wife team Margaret Murnane and Henry Kapteyn based at JILA in Boulder, Colorado, might soon lie within the grasp of a university laboratory budget — perhaps allowing them to one day be as common in labs as electron microscopes are."

Freshly Exhumed writes in with a Wired story about a nerd/super-villian dream come true. "Marine biologist-cum-TV personality Luke Tipple attached a 50-milliwatt green laser to a lemon shark off the coast of the Bahamas in late April. The escapade was sponsored by Wicked Lasers, a consumer-focused laser manufacturer based in Hong Kong that produces some of the most brilliant — and potentially dangerous — handheld lasers in the world. 'This was definitely a world first,' Tipple told Wired. 'Initially, I told them no. I thought it was a frivolous stunt. But then I considered that it would give us an opportunity to test our clips and attachments, and whatever is attached to that clip, I really don't care. It was a low-powered laser that couldn't be dangerous to anyone, and there's actually useful applications in having a laser attached to the animal.'"

retroworks writes "Dinei Florencio and Cormac Herley write that cybercrime depleted gullible and unprotected users, producing diminishing returns (over-phishing). They argue that the statistics on the extent of losses from cybercrime are flawed because there is never an under-estimation reported. Do they underestimate the number of suckers gaining internet access born every minute? Or has cybercrime become the 'shark attack' that gets reported more often than it occurs?"

An anonymous reader writes "Researchers at the Vienna University of Technology have managed to perfect 3D printing at the nanoscale. What may look like a grain of sand to the human eye could in fact be a detailed racing car model, a reproduction of a famous church, or London Bridge. The 3D printer relies on a laser beam directed by mirrors through a liquid resin onto a surface. It can print at 5 meters per second, which is a world record, and the end result is only a few hundred nanometers in size. The next hurdle: printing with bio-material so we can start making our own body parts/organs."

MrSeb writes "Hold onto your hats: Scientists at the University of York, England have completely rewritten the rules of magnetic storage (abstract; full paper paywalled). Instead of switching a magnetic region using a magnetic field (like a hard drive head), the researchers have managed to switch a ferrimagnetic nanoisland using a 60-femtosecond laser. Storing magnetic data using lasers is up to 1,000 times faster than writing to a conventional hard drive (we're talking about gigabytes or terabytes per second) — and the ferrimagnetic nanoislands that store the data are capable of storage densities that are some 15 times greater than existing hard drive platters. Unfortunately the York scientists only detailed writing data with lasers; there's no word on how to read it."

New submitter newmission33 writes "Government researchers have created the fastest, purest X-ray laser pulses ever achieved, and have fulfilled a 1967 prediction that an atomic scale X-ray laser could be made in the same manner as visible-light lasers, according to a statement released Wednesday. Researchers at the SLAC National Accelerator Laboratory used the Linac Coherent Light Source to aim a powerful X-ray source beam, a billion times brighter than any previous source, at a capsule of neon gas and triggered an 'avalanche' of X-ray emissions to become the world's first 'atomic X-ray laser.'"

First time accepted submitter (and Slashdot coder) cogent writes "Wicked Lasers, famous for last year's 1000mW handheld blue laser, and infamous for its handling of six-month-long backorders, is now selling a green version. There are three power levels, each priced at $1/mW (300mW, 500mW, 1000mW). Since the eye is far more sensitive to green than to blue, this is pretty much the state of the art in putting-dots-on-stuff technology. Wicked Lasers sent out an email promising to handle backorders much better this time." Adds reader whitedsepdivine: "There is currently no disclaimer that this is not a lightsaber on their site, so we can only assume that this version is."

disco_tracy writes "Modern militaries depend on fuel. Nearly 80 percent of the supplies delivered to operations in Iraq and Afghanistan consist of fuel, and it's no surprise that those military convoys are frequently the targets of insurgents. In the last decade, 1000 soldiers have died delivering gasoline to military operations. A new approach using lasers could provide power to drones in flight or to machines on the ground and remove the need for gas deliveries to army bases."

An anonymous reader writes "Boeing is working to build a huge, incredibly powerful, soon-to-be-seafaring laser for the US Navy. This free electron laser can produce light of any wavelength (ie, color) directly from an electron beam, and gets an energy boost from a superconducting particle accelerator. Once it's onboard ships, the laser could be used to shoot down cruise missiles and artillery shells."

MancunianMaskMan writes "Sharks in the seas all around the world are interested in this story, though the less scientifically-minded will read the summary on the beeb web site about laser light produced by a living cell. The technique starts by engineering a cell that can produce a light-emitting protein that was first obtained from glowing jellyfish."

bazzalunatic writes "It turns out great white sharks can be lured underwater to cages by playing hits from AC/DC — specifically 'Shook me all night long'. Matt Waller, a shark diving tour operator in Australia, has found this curious fact. But it's not just any song, as the sharks weren't attracted by other tunes. Matt suspects the sharks are attracted to the low frequencies found in AC/DC's music. One wonders if they'll be turned off by Celine Dion music — a new type of shark repellent perhaps?"

Hugh Pickens writes "Jamie Madigan writes in GamePro that psychologists and experts on fear are trying to understand why so many gamers enjoy being terrified by horror-themed video games and movies. Researchers say some people are sensation-seekers attracted to any emotional high, be it from sky diving, shark-punching or horror films. Other personalities are drawn to situations showing the disruption of social norms in ways that will probably never happen in real life. But a more encompassing explanation of horror's inherent appeal is how it helps us master our fears. 'Watching a horror film gives us back some control,' says Dr. Andrew Weaver. 'We can experience an adverse event through film, and we know that it will end. We'll survive it. We'll go on with our lives.' Interestingly, horror only seems to work if the player or viewer knows that what they see is fake. In one famous experiment, researchers had subjects watch a movie featuring authentic scenes of live monkeys having their brains scooped out and of children — I kid you not — having their facial skin peeled away in preparation for surgery. 'The vast majority of the study's participants refused to finish watching the films despite that more grotesque movies playing at the theater down the street could outdo those scenes,' writes Madigan. 'We seem to need to know it's fake.'"

As if the flood waters weren't bad enough for the people of Queensland, it now appears that there are sharks swimming in the streets. Two bull sharks were spotted swimming past a McDonald’s in the city of Goodna, Butcher Steve Bateman saw another making its way past his shop on Williams street. Ipswich councillor for the Goodna region Paul Tully said: "It would have swam several kilometres in from the river, across Evan Marginson Park and the motorway. It’s definitely a first for Goodna, to have a shark in the main street."

Saudi Arabian officials have captured a vulture tagged by Israeli scientists on suspicion of being a Mossad spy. The bird was part of a long-term study on the migratory patterns of vultures, or so the Israelis say. The avian arrest comes just weeks after accusations that a shark killing tourists in an Egyptian port city may have been released by Israeli agents to destroy the tourist industry.

CBC reports on sad news for Star Wars fans: "Grant McCune, a special effects artist who earned an Oscar for his work on the 1977 film Star Wars, has died. He was 67. McCune died Monday at his home in Hidden Hills, Calif., of pancreatic cancer. McCune created scenes with miniatures, models and special effects for dozens of movies, including Spaceballs, Ghostbusters II and 2008's Rambo. He began in special effects in 1975 when he and friend Bill Shourt were hired to make a giant white shark model for Steven Spielberg's Jaws. They got no credit for the film, but McCune caught the eye of the film community and he became chief model maker for Star Wars, where he created R2-D2 and many of the creatures that populate the film."

An anonymous reader writes "Ever since audiences heard Goldfinger utter the famous line, 'No, Mr. Bond; I expect you to die,' as a laser beam inched its way toward James Bond and threatened to cut him in half, lasers have been thought of as white-hot beams of intensely focused energy capable of burning through anything in their path. Now a team of Yale physicists has used lasers for a completely different purpose, employing them to cool molecules down to temperatures near absolute zero, about -460 degrees Fahrenheit. Their new method for laser cooling, described in the online edition of the journal Nature, is a significant step toward the ultimate goal of using individual molecules as information bits in quantum computing."

Instead of using my existing shark bite severity scale which ranges from "Stop hitting my leg!" to "Where did Rob go?", researchers at the University of Florida have created their own. Their new scale has a five-level of severity feature, which is similar to the burn severity scale. Lead researcher Ashley Lentz, M.D., a plastic and reconstructive surgery fellow at the UF College of Medicine, said, "If it's just an extremity and it's an abrasion, it's just a level I injury. If a shark comes up and takes a big bite out of a thigh and takes out the femoral artery, then that's a life-ending bite -- pretty quickly -- and you are talking about a level V injury."

Hugh Pickens writes "She was at sea for 221 days, alone, often in dangerous places, and usually out of touch. Most of the time she was out of contact underwater, moving slowly up and down to depths of 600 feet, safe from ships, nets, and storms. Her predecessor had disappeared on a similar trip, probably killed by a shark. 'She was a hero,' says Rutgers University oceanographer Scott Glenn after retrieving Scarlet Knight, the 7-foot-9-inch submersible robot from the stormy Atlantic off western Spain. An engineer working for the company that made the submersible said, 'We think this will just be a precursor, like Lindbergh's trip across the Atlantic. In a decade we think it will be commonplace to have roving fleets of these gliders making transoceanic trips.' The people responsible for building, funding, and flying Scarlet hope the end of the robot's successful voyage will mark a new beginning in ocean and climate research. From its position at each surfacing — when the glider surfaced and called home via an Iridium telephone parked in its tail — researchers could calculate the net effect of currents deep and shallow. After surface currents were measured, the scientists could then make inferences about what was happening deeper in the water column. Scarlet called home to upload data to researchers three times a day. 'When we have hundreds of them, or thousands of them, it will revolutionize how we can observe the oceans,' says Jerry L. Miller, a senior policy analyst at the White House Office of Science and Technology Policy, who accompanied the research team to Spain."