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Thursday, March 17, 2005

Roll up displays for use in hand-held gadgets will be available for mass production by March 2007 according to co-developer Philips. Working with US based paper pioneer E-ink, Philips have developed a 13cm wide screen which is just 0.1 millimetres thick and can be rolled up so that it is only 15 millimetres in diameter.

The screen, which Philips hope to license to makers of in-car satellite navigation systems, mobile web browsers and smart phones, uses no back light and displays a monochrome image in four shades of grey as well as black and white. According to Philips the screen is able to give a “paper-like contrast”.

The screen consists of a backing layer of plastic film which contains a matrix of transistors. This is topped off with layer transparent “electronic ink” capsules and a layer of clear plastic. The capsules are approximately 50 micrometres in diameter and contain polarised black and white particles. Using the transistors, a pattern of positive and negative charge can be applied which manipulates the particles to form monochrome images.

See the discussion page for instructions on adding schools to this list.Tuesday, September 13, 2005

NAICU has created a list of colleges and universities accepting and/or offering assistance to displace faculty members. [1]Wednesday, September 7, 2005

This list is taken from Colleges offering admission to displaced New Orleans students, and is intended to make searching easier for faculty, graduate, and professional students.

In addition to the list below, the Association of American Law Schools has compiled a list of law schools offering assistance to displaced students. [2] As conditions vary by college, interested parties should contact the Office of Admissions at the school in question for specific requirements and up-to-date details.

The Association of American Medical Colleges is coordinating alternatives for medical students and residents displaced by Hurricane Katrina. [3]

ResCross.net is acting as a central interactive hub for establishing research support in times of emergency. With so many scientists affected by Hurricane Katrina, ResCross is currently focused on providing information to identify sources of emergency support as quickly as possible. [4]

With so many scientists affected by Hurricane Katrina, ResCross is currently focused on providing information to identify sources of emergency support as quickly as possible.

Physics undergraduates, grad students, faculty and high school teachers can be matched up with housing and jobs at universities, schools and industry. [5] From the American Association of Physics Teachers, the Society of Physics Students, the American Institute of Physics and the American Physical Society.

If you are seeking or providing assistance, please use this site to find information on research support, available lab space/supplies, resources, guidelines and most importantly to communicate with fellow researchers.

The following is a partial list, sorted by location.

Alabama |Alaska |Arizona |Arkansas |California |Colorado |Connecticut |Delaware |District of Columbia |Florida |Georgia |Hawaii |Idaho |Illinois |Indiana |Iowa |Kansas |Kentucky |Louisiana |Maine |Maryland |Massachusetts |Michigan |Minnesota |Mississippi |Missouri |Montana |Nebraska |Nevada |New Hampshire |New Jersey |New Mexico |New York |North Carolina |North Dakota |Ohio |Oklahoma |Oregon |Pennsylvania |Rhode Island |South Carolina |South Dakota |Tennessee |Texas |Utah |Vermont |Virginia |Washington |West Virginia |Wisconsin |Wyoming |Canada

Wednesday, January 26, 2011

Car manufacturer Toyota is to recall almost 1.7 million cars in two simultaneous recalls, that include the Toyota Avensis and Lexus IS 250, after concerns over fuel systems, which, if combined, amount to the biggest Toyota recall for six years.

Japan’s transport ministry stated it was possible for slight cracks to appear in fuel pipes in Avensis models, which may widen if the cars continue to be used. In the United Kingdom, Toyota GB are offering free repairs, which are expected to take around four and a half hours each. The Lexus IS 250 is involved in a separate recall, with around 280 thousand models outside of Japan being recalled over a faulty fuel pressure sensor, which can possibly come loose, causing a fuel leak.

The Managing Director of Toyota GB stated “We are committed to putting the customer first and have a total focus on the quality of all our products. We will liaise with our customers to carry out the repair procedures as efficiently as possible, with minimal disruption”.

Toyota has recalled over 16 million cars globally since late 2009.

Thursday, September 14, 2006

NASA scientists say that the Arctic Sea’s icecap is melting and that the icecap is melting fast.

According to images captured by NASA’s QuikSCAT satellite, the Arctic icecap has lost at least 14% of its ‘perennial’ ice between 2004 and 2005. Data shows that at least 280,000 square miles of ice, at least the size of Texas has been lost. The eastern Arctic has lost at least 50% of its ice, but scientists say that ice was shifted by wind and other weather factors from the east to the west Arctic, causing the western areas of ice to actually grow.

Between October 2005 and April of 2006; however, the icecap lost an additional 70% of frozen water.

Between 04 and 05, the perennial ice, which is supposed to remain frozen year-round, was replaced by ‘seasonal’ ice, which scientists say melts faster during the Summer months. This event has never before been witnessed. Perennial ice is normally 3 meters (10 feet) thick or more and seasonal ice is only 0.3 meters (1 feet) to 2 meters (7 feet) thick.

“If the seasonal ice in the east Arctic Ocean were to be removed by summer melt, a vast ice-free area would open up. Such an ice-free area would have profound impacts on the environment, as well as on marine transportation and commerce,” said Son Nghiem, the leader of research at the Jet Propulsion Laboratory in Pasadena, California.

For several decades, the icecap has melted about 0.7% a year during the Summer months and has increased at least “18 times” faster than past decades, but Nghiem also said that the icecap has melted with “some variability” over the past years and was at times a “much smaller” of a loss of ice.

“If we average that over the long term we find a reduction of between 6.4% and 7.8% per decade. What we have here is 14% in one year – 18 times the previous rate. In previous years there is some variability, but it is much smaller and regional. [The changes between] 2004 and 2005 is enormous,” added Nghiem.

Global warming is believed to have played a role in melting the ice.

“It has never occurred before in the past. It is alarming. … This winter ice provides the kind of evidence that it is indeed associated with the greenhouse effect,” said Josefino Comiso, another NASA researcher and scientist.

Featured articles are selected by the community to represent the best of Wikinews. See the Featured Article Candidates page for nominations and discussions of candidate articles for this page. Or, subscribe to the RSS feed!

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Thursday, November 22, 2018

Nine rescued Indian-breed dogs are scheduled to join homes in the United States through the India-based animal rescue and recovery center Peepal Farm. The organization decided to take all nine in one big trip to consolidate the costs and paperwork and number of volunteers. Co-founder Joellen Anderson plans to take the animals across the U.S. in a camper van starting the first week of December.

Peepal Farm is an animal rescue and recovery center in Himachal Pradesh, India. It was founded by Shivani, Robin, and Anderson to help stray animals in and around the area and raise awareness of the cruel treatment of strays in India.

Peepal Farm is a stray animal rescue, vegan organic farm, and a low-impact farmstay. It was built in the Himalayan Foothills to accommodate recovering injured stray animals, people who want to do good work, and an organic garden to supplement the diet of all residents.

Peepal Farm is based on the philosophy that every action for survival leaves a “suffering footprint,” especially any act of consumption. As such, the organization focuses on mindful consumption and making survival purposeful through good work, such as alleviating physical pain.

Due to limited space at the recovery center, they have to release the stray animals back on the streets to make space for the incoming patients. However, some animals are either too young or need long term care, so they started a dog adoption campaign called “Adopt Happiness.” They had some success in getting the dogs adopted by locals and dog lovers in India and abroad.

The costs of getting the dogs to their homes was often a consideration of people willing to adopt and Peepal Farm adapted by sharing the cost by getting volunteers traveling the same destinations as the dog’s intended home.

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Thursday, April 10, 2008

Israel has tested its readiness for a state of war and emergency by testing its emergency services and shelters on a national scale.

The drill is to be analyzed in order to determine the elements which need to be corrected and fixed, and Israel’s emergency readiness is to be assessed.

Israeli school children were told to hide under their school tables as part of the drill, which officials claimed to be the biggest drill ever in Israeli history.

Syria has claimed, in return, that the drill is intended as a battle readiness exercise and claims that Israel is preparing for war.

Thursday, June 23, 2011

NASA’s Cassini–Huygens spacecraft has discovered evidence for a large-scale saltwater reservoir beneath the icy crust of Saturn’s moon Enceladus. The data came from the spacecraft’s direct analysis of salt-rich ice grains close to the jets ejected from the moon. The study has been published in this week’s edition of the journal Nature.

Data from Cassini’s cosmic dust analyzer show the grains expelled from fissures, known as tiger stripes, are relatively small and usually low in salt far away from the moon. Closer to the moon’s surface, Cassini found that relatively large grains rich with sodium and potassium dominate the plumes. The salt-rich particles have an “ocean-like” composition and indicate that most, if not all, of the expelled ice and water vapor comes from the evaporation of liquid salt-water. When water freezes, the salt is squeezed out, leaving pure water ice behind.

Cassini’s ultraviolet imaging spectrograph also recently obtained complementary results that support the presence of a subsurface ocean. A team of Cassini researchers led by Candice Hansen of the Planetary Science Institute in Tucson, Arizona, measured gas shooting out of distinct jets originating in the moon’s south polar region at five to eight times the speed of sound, several times faster than previously measured. These observations of distinct jets, from a 2010 flyby, are consistent with results showing a difference in composition of ice grains close to the moon’s surface and those that made it out to the E ring, the outermost ring that gets its material primarily from Enceladean jets. If the plumes emanated from ice, they should have very little salt in them.

“There currently is no plausible way to produce a steady outflow of salt-rich grains from solid ice across all the tiger stripes other than salt water under Enceladus’s icy surface,” said Frank Postberg, a Cassini team scientist at the University of Heidelberg in Germany.

The data suggests a layer of water between the moon’s rocky core and its icy mantle, possibly as deep as about 50 miles (80 kilometers) beneath the surface. As this water washes against the rocks, it dissolves salt compounds and rises through fractures in the overlying ice to form reserves nearer the surface. If the outermost layer cracks open, the decrease in pressure from these reserves to space causes a plume to shoot out. Roughly 400 pounds (200 kilograms) of water vapor is lost every second in the plumes, with smaller amounts being lost as ice grains. The team calculates the water reserves must have large evaporating surfaces, or they would freeze easily and stop the plumes.

“We imagine that between the ice and the ice core there is an ocean of depth and this is somehow connected to the surface reservoir,” added Postberg.

The Cassini mission discovered Enceladus’ water-vapor and ice jets in 2005. In 2009, scientists working with the cosmic dust analyzer examined some sodium salts found in ice grains of Saturn’s E ring but the link to subsurface salt water was not definitive. The new paper analyzes three Enceladus flybys in 2008 and 2009 with the same instrument, focusing on the composition of freshly ejected plume grains. In 2008, Cassini discovered a high “density of volatile gases, water vapor, carbon dioxide and carbon monoxide, as well as organic materials, some 20 times denser than expected” in geysers erupting from the moon. The icy particles hit the detector target at speeds between 15,000 and 39,000 MPH (23,000 and 63,000 KPH), vaporizing instantly. Electrical fields inside the cosmic dust analyzer separated the various constituents of the impact cloud.

“Enceladus has got warmth, water and organic chemicals, some of the essential building blocks needed for life,” said Dennis Matson in 2008, Cassini project scientist at NASA’s Jet Propulsion Laboratory in Pasadena, California.

“This finding is a crucial new piece of evidence showing that environmental conditions favorable to the emergence of life can be sustained on icy bodies orbiting gas giant planets,” said Nicolas Altobelli, the European Space Agency’s project scientist for Cassini.

“If there is water in such an unexpected place, it leaves possibility for the rest of the universe,” said Postberg.

Monday, July 19, 2010

After an investigation, Wikinews has learned that oil spewing from a rupture in the seafloor of the Gulf of Mexico on June 13 was 50 to 60 feet from the Deepwater Horizon leak.

A nearly four and a half minute video posted on YouTube on June 13 was from the Viking Poseidon ROV (Remote Operated Vehicle) 1. It shows oil and methane leaking from the seafloor at around 2:48 a.m. on June 13. The ROV monitors the leak for a minute and even gets covered in a plume of oil and sand before it moved on to the next spot. Smaller eruptions were seen as the ROV traveled, making the leak locations vary from 50 to 60 feet from the damaged well.

Until now, there was no way to determine the location of the ROVs in relation to the previously leaking Deepwater Horizon well. Alexander Higgins, an independent computer programmer, developed the ‘Gulf Oil Spill ROV UTM Distance Calculator.’ Using the coordinates for the location of the Deepwater Horizon, and the location of the Viking Poseidon on June 13, Wikinews was able to determine that the first rupture and leak was approximately 50.45 feet from the leaking well or “21.56 feet [n]orth and 45.61 feet [w]est” of the Deepwater leak point.

Higgins told Wikinews how he created the calculator, and says it is “very accurate,” but that the tool would “not give you accurate measurements over a large distance, e.g. from the well head to New Orleans.”

“This tool was created using java script that uses basic Pythagorean theorem ( A 2 + B 2 = C 2 {\displaystyle A^{2}+B^{2}=C^{2}} ) to calculate the distance between two points. The distance is simply ( N 1 ? N 2 ) 2 + ( E 1 ? E 2 ) 2 {\displaystyle {\sqrt {(N_{1}-N_{2})^{2}+(E_{1}-E_{2})^{2}}}} . ROV coordinates match the location within a few feet when looking at the well because obviously the ROV can not be over the exact center because that is where the BOP is,” said Higgins.

BP, who owned and operated the Deepwater Horizon, has denied that any oil or methane gas is leaking from the sea floor. On July 16, Kent Wells, the senior vice president of BP, said on their official Twitter page that “4 ROVs using sonar scanning [are] looking for anomalies in seabed floor. No indications any oil or gas escaping.” Seismic tests were conducted on July 16; Admiral Thad Allen of the United States Coast Guard said that “no anomalies” were found, but also that the tests were “not comprehensive.”

On Sunday, Wikinews contacted BP, who authenticated the video, and asked if any ROVs were sent back to the crack and leak location on June 13 for further investigation. According to their office in London, England, they “sent ROVs to investigate and monitor that and no further signs of oil or gas were found.” They also stated that they “have continued to monitor” and “have also carried out seismic surveys. Nothing found to give concern.” Wikinews also asked if they could confirm the location of the leak and crack, but no response was given.

However, on July 18, the Associated Press reported that there was “seepage” coming from the area at the bottom of the Deepwater well head. For the past two days, ROV cameras showed bubbles coming from the base of well. BP said it would test the bubbles to determine what they are and as of Sunday, COO of BP Doug Suttles says the bubbles are not methane, but further tests are being conducted. “If you can imagine, it is not an easy operation to collect those bubbles so that they can be tested to see what their make-up is.”

Since the June 13 video surfaced, other videos have been posted to YouTube allegedly showing some of the ROVs being tossed around by large amounts of oil seeping through the seafloor. One video showed an alleged eruption spraying oil and debris around the BOA DEEP C 2 ROV before it was tossed from side to side. It then immediately retreated to the surface. Some of the cracks on ocean floors, where oil has leaked from, have occurred naturally. One such oil spill in California in 2005 was the result of a naturally occurring crack in the floor of the Pacific Ocean. Some of those cracks can cause oil to leak through at a rate as high as 5,000 gallons a day, with most of the oil not even reaching the water’s surface. In the Gulf of Mexico, oil leaks through natural cracks at a rate several times less than leaked from the Deepwater well.

“The Deepwater Horizon site releases 3 to 12 times the oil per day compared to that released by natural seeps across the entire Gulf of Mexico. By May 30, the Deepwater Horizon site had released between 468,000 and 741,000 barrels of oil, compared to 60,000 to 150,000 barrels from natural seeps across the entire Gulf of Mexico over the same 39 day period,” said Cutler Cleveland, a Boston University professor at the university’s Department of Geography and Environment.

The Deepwater Horizon oil spill started on April 20 after an explosion on the rig. Efforts to put out the fire failed and the rig subsequently sank to the bottom of the Gulf. On April 22, an oil slick appeared on the surface of the Gulf. BP capped the leaking well on July 13 which effectively stopped oil from leaking into the Gulf. The company has been running a pressure integrity test on the 150,000 pound cap for 48 hours. Earlier on July 17, they announced the test would continue for another day. BP hopes for the well’s pressure to rise to or above 7,500 PSI. As of Saturday morning the well’s pressure was just above 6,700 PSI. BP fears anything lower than the expected PSI could mean a leak in the cap or elsewhere, such as oil or methane seeping up from the seafloor.

“We are feeling more comfortable we have integrity. We will keep monitoring and make the decisions as we go forward. The longer the test goes the more confidence we have in it,” said Allen.