Slashdot Mirror
Domain: poncacityweloveyou.com
Stories and comments across the archive that link to poncacityweloveyou.com.
Stories · 161
-
Stopping Cars With Microwave Radiation
Ponca City, We Love You writes "Researchers have created an electromagnetic system that can quickly bring a vehicle to a stop by sending out pulses of microwave radiation to disable the microprocessors that control the central engine functions in a car. A 200-pound unit attached to the roof of a police car can be used to stop fleeing and noncooperative vehicles. The average power emitted in a single shot is about 10 kilowatts at 100 hertz and since each radiated pulse lasts about 50 nanoseconds, the total energy output is 100 joules at a distance of 15 meters. One concern with the device is that it could cause an accident if a car is disabled and a driver loses steering control. The device could also disable other vehicles in the area so the most practical application may be for perimeter protection at remote areas. Criminals have a work-around too. Since electronic control modules were not built into most cars until 1972, the system will not work on automobiles made before that year." -
Thought-Controlled Prosthetics
Ponca City, We Love You writes "Physiatrist Todd A. Kuiken, M.D., Ph.D. has pioneered a technique known as targeted muscle reinnervation (TMR), that allows a prosthetic arm to respond directly to the brain's signals, allowing wearers to open and close their artificial hands and bend and straighten their artificial elbows nearly as naturally as their own arms. Doctors first perform nerve transfer surgery to redirect nerves that go to the amputated arm to the patient's chest muscles. Then when the chest muscle contracts, an electromyogram picks up the electrical signal to move the prosthetic arm. So when the patient thinks 'close hand,"' the hand closes. Now the team wants to see if they can extract more information from the electrical signals produced by the nerves to provide a greater number of hand and arm movements. Theyd have been able to identify unique EMG patterns with 95% accuracy for 16 different elbow, wrist, hand, thumb, and finger movements. 'We've been able to demonstrate remarkable control of artificial limbs and it's an exciting neural machine interface that provides a lot of hope,' says Dr. Kuiken." -
Where Are the Flying Cars?
Ponca City, We Love You writes "Complaints of the non-existence of flying cars as expressions of disappointment in the failure of the present to measure up to the glory of past predictions have long been a staple of popular culture but all that is about to change when Terrafugia introduces their $148,000 "Transition," a 19-foot, two-seater that the company describes as a roadable light-sport aircraft. The problem is that the U.S. doesn't have the infrastructure in place to make landing in front of your house a viable alternative yet and a sky filled with people who don't have pilot's licenses could also be a problem. The idea is to take advantage of the 6,000 public airports in the U.S. so a pilot can fly into a small airport (video) and instead of getting a rental car, just fold up the wings on the aircraft and drive away. Terrafugia expects the first production model to be ready in 2009 and says they've already received advanced orders for 30 to 50 Transitions." -
Robot-Run Warehouse Speeds Deliveries
Ponca City, We Love You writes "The robot invasion may soon be coming to a warehouse near you. In a conventional warehouse, workers walk from shelf to shelf to fill orders, while in conveyor-based systems, boxes move past workers who pack them. A new warehouse design arranges rows and columns of freestanding shelves in a memory-chip-like grid serviced by robots. When a consumer submits an order, robots deliver the relevant shelving units to workers who pack the requested items in a box and ship them off allowing workers to fill orders two to three times faster than they could with conventional methods because the robots can work in parallel, allowing dozens of workers to fill dozens of orders simultaneously. The robotic system is also faster because the entire warehouse can adapt, in real time, to changes in demand by having the robots move shelves with popular items closer to the workers (pdf), where the shelves can be quickly retrieved while items that aren't selling are gradually moved farther away. Two giant warehouses have already been built for Staples and a third is being built for Walgreens where the software will also keep track of expiration dates to ensure that items that can go bad are sent out in the order that they're stocked." -
Bill to Require Open Access to Scientific Papers
Ponca City, We Love You writes "Congress is expected to vote this week on a bill requiring investigators funded by the National Institutes of Health (NIH) to publish research papers only in journals that are made freely available within one year of publication. Until now, repeated efforts to legislate such a mandate have failed under pressure from the well-heeled journal publishing industry and some nonprofit scientific societies whose educational activities are supported by the profits from journals that they publish. Scientists assert that open access will speed innovation by making it easier for them to share and build on each other's findings. The measure is contained in a spending bill that boosts the biomedical agency's effective budget by 3.1%, to $29.8 billion in 2008. The open-access requirement in the bill would apply only during fiscal year 2008; it would need to be renewed in yearly spending bills in the future." -
Intergalactic Missing Mass Missing Again
Ponca City, We Love You writes "Researchers at the University Of Alabama In Huntsville have discovered that some x-rays thought to come from intergalactic clouds of 'warm' gas are instead probably caused by lightweight electrons — leaving the mass of the universe as much as ten to 20 percent lighter (in terms of its ordinary matter) than previously calculated. In 2002 the same team reported finding large amounts of extra 'soft' (relatively low-energy) x-rays coming from the vast spaces in the middle of galaxy clusters. Their cumulative mass was thought to account for as much as ten percent of the mass and gravity needed to hold together galaxies, galaxy clusters, and perhaps the universe itself. When the team looked at data from a galaxy cluster in the southern sky, however, they found that energy from those additional soft x-rays doesn't look like it should. 'The best, most logical explanation seems to be that a large fraction of the energy comes from electrons smashing into photons instead of from warm atoms and ions, which would have recognizable spectral emission lines,' said Dr. Max Bonamente. The work was published Oct. 20 in the Astrophysical Journal." -
Google Announces "Open Phone" Coalition, No gPhone [Updated]
Ponca City, We Love You writes "USA Today has an advance story on Google's plans to announce a new operating system, geared specifically for cellphones with partners that include Sprint, Motorola, Samsung and Japanese wireless giant NTT DoCoMo. Although details won't be released until later today the new G-system will be based on Linux overlaid with Java and Google hopes to have a branded device ready for worldwide shipment by spring. Mobile Web browsing is notoriously slow and Google plans to change that by providing easy access to the Internet at PC-type speeds. Google plans to basically give away the software developer tools, used by programmers to write new applications. "If you're a developer, you'll be able to develop (applications) for the new Google Phone very quickly," said Morgan Gillis of the LiMo Foundation. AT&T and Verizon Wireless are noticeably absent from the coalition not wanting to support a device that favors Google over other providers. Sprint, the No. 3 carrier, supports the coalition, but it hasn't formally agreed to make the Google Phone available to its 54 million subscribers." Update 1727 GMT by SM: It's official, Google is releasing the mobile "Android" OS in place of the Google branded mobile phone that many expected. -
Capsaicin Tested On Surgical Wounds
Ponca City, We Love You writes "Bite a hot pepper, and after the burn your tongue goes numb. The Baltimore Sun reports that Capsaicin, the chemical that gives chili peppers their fire, is being dripped directly into open wounds during highly painful operations, bathing surgically exposed nerves in a high enough dose to numb them for weeks. As a result patients suffer less pain and require fewer narcotic painkillers as they heal. 'We wanted to exploit this numbness,' says Dr. Eske Aasvang, a pain specialist who is testing the substance. Capsaicin works by binding to C fibers called TRPV1, the nerve endings responsible for long-lasting aching and throbbing pain. Experiments are under way involving several hundred patients undergoing various surgeries, including knee and hip replacements using an ultra-purified version of Capsaicin to avoid infection. Volunteers are under anesthesia so they don't feel the initial burn." -
First Fossil Evidence That Velociraptors Hunted in Packs
Ponca City, We Love You writes "The New Scientist reports that palaeontologists have excavated a fossil trackway in Shandong Province in China 100 to 120 million years old that contains footprints left by six Dromeosaurs, the more formal name for raptors, showing evidence of group behavior. Up until now, the popular stereotype from Jurassic Park of raptors hunting in packs has had no fossil evidence to back it up. The paths of the six 90 kilo raptors do not overlap where the animals walked alongside a river or stream. '"The odds of these tracks being made by different individuals that just happen to be moving in the same direction, without their tracks stepping on one another, are small," said Jerry D. Harris, director of paleontology at Dixie State College. "Groups that do that usually have relatively sophisticated behavior, and they're relatively intelligent," Harris added. "By moving together in groups, it's entirely possible that they hunted in groups."'" -
Wikipedia Begets Veropedia
Ponca City, We Love You writes "October saw the launch of Veropedia, a collaborative effort to collect the best of Wikipedia's content, clean it up, vet it, and save it in a quality stable version that cannot be edited. To qualify for inclusion in Veropedia, a Wikipedia article must contain no cleanup tags, no "citation needed" tags, no disambiguation links, no dead external links, and no fair use images after which candidates for inclusion are reviewed by recognized academics and experts. One big difference with Wikipedia is that Veropedia is registered as a for profit corporation and earns money from advertising on the site. Veropedia is supposed to help improve the quality of Wikipedia because contributors must improve an article on Wikipedia, fixing up all the flaws, until a quality version can be imported to Veropedia. To date Veropedia contains about 3,800 articles." -
Apple Makes $831 On Each AT&T iPhone
Ponca City, We Love You writes "The NYTimes reports that Gene Munster, an analyst at Piper Jaffray, has studied Apple's financial statements and come to the conclusion that AT&T is paying Apple $18 a month, on average, for each iPhone sold by Apple and activated on AT&T's network — up to $432 over a two-year contract. This shows how much incentive Apple has to maintain its exclusive deal with AT&T rather than to sell unlocked phones or cut deals with multiple carriers. Last week Apple disclosed that 250,000 iPhones had been purchased but not registered with ATT that Apple thinks are being unlocked so Apple has now taken action to curb unauthorized resellers by limiting sales of the iPhone to two per customer and requiring that purchases must now be made with a credit or debit card — cash will not be accepted." The latter article links to a US Treasury page explaining the incorrectness of the widely-held belief that cash cannot be refused for any transaction.