2008-09 Wikipedia for Schools goes online

Wednesday, October 22, 2008

This article mentions the Wikimedia Foundation, one of its projects, or people related to it. Wikinews is a project of the Wikimedia Foundation.

Monday saw the latest edition of the vetted version of Wikipedia, which is aimed at educational use, go quietly online. The extensively revised version covers over five thousand topics, targeting the eight to seventeen years age group. Partnerships with the Shuttleworth Foundation and the Hole in the Wall project will see it distributed in South Africa and India as well as copies being available globally via the offices of SOS Children UK’s umbrella organisation, SOS Kinderdorf worldwide.

First launched in 2006 as a 4,000 article edition, the extract of Wikipedia has employed hi-tech distribution methods, as well as offering a website version which has steadily climbed up in ranking to above other reviewed Wikipedia rivals and copies; the 2007 version was available on the BitTorrent peer to peer network to keep distribution costs down and was equivalent to a fifteen-volume printed encyclopedia. Monday’s release is compared to a twenty-volume print edition.

Our goal is to make Wikipedia accessible to as many people as possible around the world, and SOS Children is a great partner that helps us make that happen.

Key to the process for selecting articles is the English National Curriculum and similar educational standards around the world. The initial vision was to bring this wealth of knowledge to schools where access to the Internet was poor or unavailable, but copies of Wikipedia for Schools can be found on many first world school intranets and web servers. Among the compelling reasons to adopt the project are the vetting and additional study materials which overcome the oft-publicised concerns many educators have with the million article plus Wikipedia that anyone can edit.

In today’s press release announcing the launch, Wikimedia Foundation Executive Director Sue Gardner expressed delight at seeing the project bring out a new version, “Our goal is to make Wikipedia accessible to as many people as possible around the world, and SOS Children is a great partner that helps us make that happen. Wikipedia is released under a free content license so that individuals and institutions can easily adapt, reuse and customize its content: we encourage others, like SOS Children, to do exactly that.”

Running 192 schools in the developing world, SOS Children sees Wikipedia for Schools as a key piece in fulfilling the educational aspect of their mission. SOS Children’s Chairwoman, Mary Cockcroft gave us an introduction and, a Wikipedia administrator himself, the charity’s CEO Andrew Cates spoke to Wikinews at length about the project.

You are part of SOS-Kinderdorf International, can you explain a little about how this works in terms of distributing funds raised in the UK and involving UK citizens in work outside the country?

Mary Cockcroft: SOS Children[‘s Villages] is a “club” of member charities in 130 countries helping orphans and vulnerable children. The club elects SOS-Kinderdorf International as secretary. SOS is a large organisation whose members in aggregate turned over $1bn in 2007, and whose projects include owning and running 192 schools and family-based care for 70,000 children. However much of these funds are raised locally, with for example the member charities in each of India, Pakistan and South Africa raise considerably more funds in their own country than SOS UK does from the UK. Nonetheless SOS Children UK principally raises funds to finance projects in the developing world, and has only financially small projects in the UK (such as the Schools Wikipedia, which is very low cost because of extensive use of volunteers). This year we expect about 80% of our UK income will leave the UK for overseas SOS associations, and some of the remaining 20% will pay for project oversight. We do not spend money in the UK on Direct Mail or TV advertising. Our UK office is involved in overseeing projects we finance and a small number of high-skilled volunteers from the UK help overseas. However around 98% of SOS staff worldwide are local nationals, as are most volunteers.

((WN)) How much work does the UK charity actually carry out within the home country? Are there failings within the government system for orphans and other needy children that you feel obliged to remedy?

MC: We are deeply unhappy about the situation of children in out-of-home care in the UK. However our care model of 168 hour-a-week resident mothers does not fit with the UK philosophy for children without parental care. Internationally SOS always has a policy of sharing best practice and we are working to improve understanding of our way of working, which appears to us to have far better outcomes than the existing one in the UK. Ultimately though the legal responsibility for these children lies with government and we cannot remedy anything without their invitation.

((WN)) Who first came up with the idea of doing a vetted Wikipedia extract? What was the impetus? Was it more for the developing world than first world?

Andrew Cates: I honestly cannot remember who first suggested it, but it came from somewhere in the Wikipedia community rather than from the charity. The original product was very much pitched at the developing world where the Internet is only available if at all over an expensive phone line. I worked in West Africa 1993-1996 and I know well at how thirsty for knowledge people are and how ingenious they will be in overcoming technical obstacles if the need for infrastructure is removed.

((WN)) In reading past year’s announcements there’s some pride in the project being picked up and used in the first world, was this expected or a pleasant surprise?

AC: It was a pleasant surprise. I don’t think we had realised what the barriers schools faced in using the main Wikipedia were. It isn’t just pupils posting material about teachers or meeting strangers: the “Random Article” button on every page could potentially deliver an article on hardcore porn. We had already started when discussion broke on banning Wikipedia from classrooms and I am sure we benefited from it.

((WN)) Can you give an outline of the selection and vetting process? Is it primarily Wikipedians working on this, or are people from the educational establishment brought in?

AC: It was a long and painful process, even with a really good database system. Articles were taken into the proposal funnel from three main sources: direct proposals for inclusion from Wikipedians, lists which came from the Release Version team and proposals drawn up from working through National Curriculum subjects by SOS volunteers. In a few cases where we felt articles were missing we asked the community to write them (e.g. Portal:Early Modern Britain, which is a curriculum subject, was kindly written just for us): These “proposals” were then looked at by mainly SOS volunteers (some onwiki, some offline). Our offices are in the middle of Cambridge and we get high quality volunteers, who skim read each article and then compared two versions from the article history by credible WP editors a significant period apart (this picks up most graffiti vandalism which runs at about 3% of articles). Once they had identified a “best” version they marked any sections or text strings for deletion (sections which were just a list of links to other articles not included, empty sections, sex scandals etc). A substantial sample of each volunteers work was then doubled checked for quality by one of two office staff (of whom I was one). We then have a script which does some automated removals and clean ups. Once we had a selection we posted it to relevant wikiprojects and a few “experts” and got any extra steers.

((WN)) Will you be making use of BitTorrent for distribution again this year? Was it a success in 2007?

AC: BitTorrent was a bit disappointing in that it got us the only substantial criticisms we received online. A lot of people find it too much effort to use. However for the period we offered a straight http: download we had huge problems with spiders eating vast bandwidth (the file is 3.5G: a few thousand rogue spider downloads and it starts to hurt). As per last year therefore our main two channels will be free download by BitTorrent and mailing the DVDs free all over the world. At a pinch we will (as before) put straight copies up for individuals who cannot get it any other way, and we have some copies on memory sticks for on distributors.

((WN)) Is it your opinion that the UK Government should be encouraging the adoption of projects like this as mainstream educational resources?

AC: Clearly yes. We have had a very enthusiastic reaction from schools and the teaching community. We think every school should have an intranet copy. We expect the Government to catch on in a few years. That is not to say that Wikipedia is as good as resources developed by teachers for teachers such as lesson plans etc. but it is a fantastic resource.

((WN)) You’re a Wikipedia administrator, all too often a thankless task. What prompted you to get involved in the first place? What are the most notable highs and lows of your involvement with the project?

AC: Funnily the thing I have found most amazing about Wikipedia is not widely discussed, which is the effect of Wikipedia policies on new editors. I have seen countless extreme POV new editors, who come in and try to get their opinions included slowly learn not only that there are other opinions to consider but that elements of their own opinion which are not well founded. Watching someone arrive often (on pages on religions for example) full of condemnation for others, gradually become understanding and diplomatic is one of the biggest buzzes there is. The downside though is where correcting things which are wrong is too painfully slow because you need to find sources. I was a post-doc at Cambridge University in combustion and I know the article on Bunsen burners has several really significant errors concerning the flame structure and flow structure. But sadly I cannot correct it because I am still looking around for a reliable source.

((WN)) Do you believe schools should encourage students to get involved contributing to the editable version of Wikipedia? Does SOS Children encourage those who are multilingual to work on non-English versions?

AC: I think older students have a lot to learn from becoming involved in editing Wikipedia.

((WN)) To close, is there anything you’d like to add to encourage use of Wikipedia for Schools, or to persuade educators to gain a better understanding of Wikipedia?

AC: I would encourage people to feed back to the project online or via the charity. The Wikipedia community set out to help educate the world and are broadly incredibly well motivated to help. As soon as we understand what can be done to improve things people are already on the task.

((WN)) Thank you for your time.

Retrieved from “https://en.wikinews.org/w/index.php?title=2008-09_Wikipedia_for_Schools_goes_online&oldid=2583732”

Iran’s morality police crack down on un-Islamic dress

Wednesday, April 25, 2007

The Iranian police forces have faced criticism from Ayatollah Hashemi Shahrudi, the head of the judiciary who was appointed by Grand Ayatollah Ali Khamenei, for their re-invigorated campaign to do away with un-Islamic dress.

Ayatollah Shahroudi proclaimed, “Tough measures on social problems will backfire and have counter-productive effects.” Others have, of course, made it clear that un-Islamic dress can lead to moral corruption, engender innumerable vices, and hurt the Islamic character of the nation.

Some believe that no one had any issue with the creation of an Islamic atmosphere. The core of the matter revolves around the implementation of the Islamic dress code; additionally, heavy-handed measures should be shunned. For instance, Mehdi Ahmadi, information head of Tehran’s police, told Al Jazeera: “Some citizens may complain about the way the law is being enforced but they all agree with the plan itself.”

According to one student, “You simply can’t tell people what to wear. They don’t understand that use of force only brings hatred towards them, not love.” Nevertheless, Hojatoll-Islam Mostafa Pour-Mohammadi, Iran’s interior minister who is in charge of policing, prognosticated positive feedback from the populace when he said, “People are unhappy with the social and moral status of the society. They expect that the fight against social insecurity be properly implemented.” Thus, Hujjat al-Islam Pour-Mohammadi re-iterated the necessity of proper implementation and methodology towards the restoration of morality in the Islamic Republic. Islamic officials and religious people affirm that this is indispensable to promote righteousness, curb sin, and bring open sinners to justice.

Following the Islamic Revolution in 1979, hijab became mandatory in Iran for every woman including foreigners after over 98% of citizens voted for an Islamic government. Women may face caning up to 74 strokes for failing to observe hijab. In this recent crackdown, the authorities have arrested many citizens throughout the country. Not only have women been taken into custody for their hair being uncovered on their foreheads and tight clothes that show body shapes, For men they need to cover from knee to their waist as according to Sharia. Even a foreign journalist was detained because the photograph on her press card was indecent.

It has not been clear whence the directive for the re-newed clampdown emanated. Some have blamed Mahmoud Ahmadinejad while Gholam Hossein Elham, the government spokesman, stated to reporters, “The police work as agents of the judiciary to confront crimes. The government as an executive body does not interfere in the affairs of the judiciary.” The following pre-election speech seems to corroborate this latter statement:

In reality, is the problem of our people the shape of the hair of our children? Let our children arrange their hair any way they wish. It doesn’t concern me and you. Let you and me overhaul the basic problems of the nation. The government should fix the economy of the nation and improve its atmosphere…[It should] better psychological security and support the people. People have variegated tastes. As if now the arch obstacle of our nation is the arrangement of our kids’ hair and the government disallowing them <He chuckles>. Is this the government’s responsibility? Is this the people’s merit? In actuality, this is the denigration of our people. Why do you underestimate and belittle the people? It is the real issue of our nation that one of our daughters donned a certain dress? Is this the issue of our nation and the problem of our nation?
Retrieved from “https://en.wikinews.org/w/index.php?title=Iran%27s_morality_police_crack_down_on_un-Islamic_dress&oldid=4558895”

South American channeled apple snail discovered in Georgia

Sunday, March 20, 2005

The American state of Georgia faces a new problem as wildlife officials discovered the South American channeled apple snail along the Alabaha River in Pierce County last month. Similar snails have been seen in four American states, including at least nine Florida counties, and Indonesia.

Apple snails (those of the ampullariidae family) are tropical and sub-tropical freshwater snails. They are named for their round shell, which is apple shaped. The channeled apple snail (Pomacea canaliculata) has a yellow-to-brown shell that may grow to the size of a baseball. Unlike many other freshwater gastropods, Apple Snails have both a lung and a gill. This allows them to live even in oxygen-poor waters. Outside of their natural habitat of South America, the snails have no natural enemies. As they reproduce quickly and feed on aquatic plants, which provide food and shelter for native species, they can be devastating to their new environment.

“This discovery is one of particular interest because of the invasive nature of the species,” assistant chief of DNR’s Non-game Wildlife and Natural Heritage Section Jon Ambrose told the AP. “Because of the array of problems that can arise from releasing non-native species into Georgia’s waters, we want to stress that this is not a responsible practice for pet owners.”

DNR biologists searched the site of the discovery again last weekend. Although no more channeled apple snails were found, they may return for a more elaborate search. The Georgia winter, more severe than Florida´s, may put a stop to the threat.

Retrieved from “https://en.wikinews.org/w/index.php?title=South_American_channeled_apple_snail_discovered_in_Georgia&oldid=4202221”

Heat wave proves deadly for Nebraska cattle

Wednesday, July 1, 2009

Over 2,000 cattle died throughout eight counties in Nebraska last week as a result of an unexpected heat wave. Officials estimate that number could grow as other counties report in.

According to Tim Reimer of the United States Farm Service Agency, cattle nearing slaughter are difficult to keep cool due to their large size, and thus more vulnerable to heat. The animals are provided large quantities of water, but they sometimes stop drinking under the effects of the high temperatures.

The deaths worsened the situation for farmers, who were already struggling with high feed costs. “There were some that took some pretty substantial hits financially”, Reimer said.

Temperatures in eastern portions of the state soared into the mid 90s. The heat wave was preceded by an unusually cool spring, so the animals didn’t have a chance to acclimatise. Terry Mader, a professor at the University of Nebraska-Lincoln, reported that “Cattle, as well as other animals and humans, usually need two to four weeks to adapt to the changes in environmental conditions we observed last week. Sunny days with temperatures above the mid-80s can be stressful, particularly if there is no wind and humidity is above 50%.”

Similar heat waves occurred during the 1990s, when thousands of cattle were lost. Mader noted, “There’s no opportunity for them to get prepared […] Normally, you’ll have one to two days in a heat wave to get prepared.”

Mature cattle are generally worth US$1,000 apiece.

Retrieved from “https://en.wikinews.org/w/index.php?title=Heat_wave_proves_deadly_for_Nebraska_cattle&oldid=924509”
Insurance

What You Need To Know When Buying New Rims

By Bob Martin

Shopping for new wheels can either be a frustrating experience or it can be rewarding one. If you follow these suggestions, it will be fun, rewarding and you’ll save a lot of leg-work and money.

Are you looking to spice up your ride with a set of new rims? When you have a vehicle that you’re proud of, its only natural that you want it to look the best it can look.

And there’s no better way to jazz up your vehicle than by giving it new rims.

There’s a few things that you should know before you go out looking for new rims. And you’ll want to keep a couple of things in mind.

Where Do I Go Shopping For New Rims?

You have many options:

* you can go down to your local auto dealer

* you can look in on a specialty auto after market store

[youtube]http://www.youtube.com/watch?v=2W9f6R1Qo5Q[/youtube]

* you can stop in at a tire/wheel retailer

You’ll be able to find some rims….you may even be lucky enough to have a fairly good selection to choose from.

But if you’re looking for a really great selection of unique rims to choose from, then you need to look online. Shopping online offers you a whole new world of choices.

When you shop online, you aren’t limited to just what the retailers in your area have to offer you. Now you can shop for rims in every store, in every town, in every state, in every country. As long as they have a website.

Why Is A Wide Selection Important?

It’s important to have a wide range of choices when you’re buying new wheels because you want your vehicle to look unique and you want rims that fit your particular vehicle.

Online you’ll see a huge selection of styles and brands in chrome and alloy.

However, if you’re one of those people looking for something really special, you’ll find colored wheels, rims with colored lug nuts, rims with lights in them and even wheels with ‘diamonds’ on them.

What Do I Need To Know When I Buy Online?

Look for a site that offers reviews. Many online merchants will provide customer feedback so that you can see how people feel about their decision to order from the site.

Shipping cost can be a concern for some people shopping online. However, some online stores offer free shipping direct to your door. We know of one that will ship to your installer if you prefer.

But be careful. Some online merchants require that you buy tires from them as well in order to get free shipping.

As with anything that you buy online, be sure to only shop on a website that is secure. You’ll have to give your credit card info, or us an online payment system such as PayPal, so make sure that the site provides a secure shopping cart before giving your personal information.

What Else Do I Need To Know?

Obviously, you’ll need to know what size you need. This information will be in your vehicle user manual. If you don’t have the manual just go to a tire store or car dealer and ask for their help. You’ll find them more than accommodating.

Why Should I Buy New Rims?

Some people buy new rims to jazz up the appearance and make their vehicle look sexy. Others buy after market wheels to improve the performance of their vehicle. When you get a mix of appearance and performance in your rims you can actually improve gas mileage as well as the handling of your vehicle.

Alloy wheels may actually reduce wear and tear on your brakes. Alloy rims reduce the heat that results during braking.

And lastly, unique and sexy wheels will definitely add value when it comes time to sell.

So, remember, buying new wheels can be fun and you can save a lot of money by shopping online.

This article is a copyrighted work and does not come with reprint or resale rights and may not be altered or changed in any way including the resource box. The site owner acknowledges that by using this article they accept this condition. The only exception being to bold the appropriate copy i.e. headlines and subhead text.

About the Author: Bob Martin says ‘If you’re looking for new rims this is for you

custom-car-rims.com/see-rims-on-your-car.htm’

Source:

isnare.com

Permanent Link:

isnare.com/?aid=50103&ca=Automotive

Simple animals could live in Martian brines: Wikinews interviews planetary scientist Vlada Stamenkovi?

Wednesday, January 9, 2019

Planetary scientist Vlada Stamenkovi? of the NASA Jet Propulsion Laboratory and colleagues have developed a new chemical model of how oxygen dissolves in Martian conditions, which raises the possibility of oxygen-rich brines; enough, the work suggests, to support simple animals such as sponges. The model was published in Nature on October 22. Wikinews caught up with him in an email interview to find out more about his team’s research and their plans for the future.

The atmosphere of Mars is far too thin for humans to breathe or for lungs like ours to extract any oxygen at all. It has on average only around 0.6% of the pressure of Earth’s atmosphere, and this is mainly carbon dioxide; only 0.145% of the thin Martian atmosphere is oxygen. The new model indicated these minute traces of oxygen should be able to enter salty seeps of water on or near the planet’s surface at levels high enough to support life forms comparable to Earth’s microbes, possibly even simple sponges. Some life forms can survive without oxygen, but oxygen permits more energy-intensive metabolism. Almost all complex multicellular life on Earth depends on oxygen.

“We were absolutely flabbergasted […] I went back to recalculate everything like five different times to make sure it’s a real thing,” Stamenkovi? told National Geographic.

“Our work is calling for a complete revision for how we think about the potential for life on Mars, and the work oxygen can do,” he told Scientific American, “implying that if life ever existed on Mars it might have been breathing oxygen”.

Stamenkovi? et al cite research from 2014 showing some simple sponges can survive with only 0.002 moles of oxygen per cubic meter (0.064 mg per liter). Some microbes that need oxygen can survive with as little as a millionth of a mole per cubic meter (0.000032 mg per liter). In their model, they found there can be enough oxygen for microbes throughout Mars, and enough for simple sponges in oases near the poles.

In 2014, also suggesting multicellular life could exist on Mars, de Vera et al, using the facilities at the German Aerospace Center (DLR), studied some lichens, including Pleopsidium chlorophanum, which can grow high up in Antarctic mountain ranges. They showed those lichens can also survive and even grow in Mars simulation chambers. The lichens can do this because their algal component is able to produce the oxygen needed by the fungal component. Stamenkovi? et al’s research provides a way for oxygen to get into the Martian brines without algae or photosynthesis.

Stamenkovi? et al found oxygen levels throughout Mars would be high enough for the least demanding aerobic (oxygen-using) microbes, for all the brines they considered, and all the methods of calculation. They published a detailed map[3] of the distributions of solubility for calcium perchlorates for their more optimistic calculations, which they reckoned were closer to the true case, with and without supercooling. The lowest concentrations were shown in the tropical southern uplands. Brine in regions poleward of about 67.5° to the north and about 72.5° to the south could have oxygen concentrations high enough for simple sponges. Closer to the poles, concentrations could go higher, approaching levels typical of sea water on Earth, 0.2 moles per cubic meter (6.4 mg per liter), for calcium perchlorates. On Earth, worms and clams that live in the muddy sea beds require 1 mg per liter, bottom feeders such as crabs and oysters 3 mg per liter, and spawning migratory fish 6 mg per liter, all within 0.2 moles per cubic meter, 6.4 mg per liter.

((Wikinews)) Does your paper’s value of up to 0.2 moles of oxygen per cubic meter, the same as Earth’s sea water, mean that there could potentially be life on Mars as active as our sea worms or even fish?
Stamenkovi?: Mars is such a different place than the Earth and we still need to do so much more work before we can even start to speculate.

Stamenkovi? et al studied magnesium and calcium perchlorates, common on Mars. They found the highest oxygen concentrations occur when the water is colder, which happens most in polar regions.

((WN)) The temperatures for the highest levels of oxygen are really low, -133 °C, so, is the idea that this oxygen would be retained when the brines warm up to more habitable temperatures during the day or seasonally? Or would the oxygen be lost as it warms up? Or — is the idea that it has to be some exotic biochemistry that works only at ultra low temperatures like Dirk Schulze-Makuch’s life based on hydrogen peroxide and perchlorates internal to the cells as antifreeze?
Stamenkovi?: The options are both: first, cool oxygen-rich environments do not need to be habitats. They could be reservoirs packed with a necessary nutrient that can be accessed from a deeper and warmer region. Second, the major reason for limiting life at low temperature is ice nucleation, which would not occur in the type of brines that we study.

Stamenkovi? et al’s paper is theoretical and is based on a simplified general circulation model of the Mars atmosphere — it ignores distinctions of seasons and the day / night cycle. Stamenkovi?’s team combined it with a chemical model of how oxygen would dissolve in the brines and used this to predict oxygen levels in such brines at various locations on Mars.

When asked about plans for a future model that might include seasonal timescales, Stamenkovi? told Wikinews, “Yes, we are now exploring the kinetics part and want to see what happens on shorter timescales.”

Stamenkovi? et al’s model also takes account of the tilt of the Mars axis, which varies much more than Earth’s does.

Wikinews asked Stamenkovi? if he had any ideas about whether and how sponges could survive through times when the tilt was higher and less oxygen would be available:

((WN)) I notice from your figure[4] that there is enough oxygen for sponges only at tilts of about 45 degrees or less. Do you have any thoughts about how sponges could survive periods of time in the distant past when the Mars axial tilt exceeds 45 degrees, for instance, might there be subsurface oxygen-rich oases in caves that recolonize the surface? Also what is the exact figure for the tilt at which oxygen levels sufficient for sponges become possible? (It looks like about 45 degrees from the figure but the paper doesn’t seem to give a figure for this.)
Stamenkovi?: 45 deg is approx. the correct degree. We were also tempted to speculate about this temporal driver but realized that we still know so little about the potential for life on Mars/principles of life that anything related to this question would be pure speculation, unfortunately.
((WN)) How quickly would the oxygen get into the brines — did you investigate the timescale?
Stamenkovi?: No, we did not yet study the dynamics. We first needed to show that the potential is there. We are now studying the timescales and processes.
((WN)) Could the brines that Nilton Renno and his teams simulated, forming on salt/ice interfaces within minutes in Mars simulation conditions, get oxygenated in the process of formation? If not, how long would it take for them to get oxygenated to levels sufficient for aerobic microbes? For instance could the Phoenix leg droplets have taken up enough oxygen for aerobic respiration by microbes?
Stamenkovi?: Just like the answer above. Dynamics is still to be explored. (But this is a really good question ?).

Wikinews also asked Stamenkovi? how their research is linked to the recent discovery of possible large subglacial lake below the Martian South Pole found through radar mapping.

((WN)) Some news stories coupled your research with the subglacial lakes announcement earlier this year. Could the oxygen get through ice into layers of brines such as the possible subglacial lakes at a depth of 1.5 km?
Stamenkovi?: There are other ways to create oxygen. Radiolysis of water molecules into hydrogen and oxygen can liberate oxygen in the deep and that O2 could be dissolved in deep groundwater. The radiolytic power for this would come from radionuclides naturally contained in rocks, something we observe in diverse regions on Earth.
((WN)) And I’d also like to know about your experiment you want to send to Mars to help with the search for these oxygenated brines.
Stamenkovi?: We are now developing at “NASA/JPL-California Institute of Technology” a small tool, called TH2OR (Transmissive H2O Reconnaissance) that might one day fly with a yet-to-be-determined mission. It will use low frequency sounding techniques, capable of detecting groundwater at depths down to ideally a few km under the Martian surface, thanks to the high electric conductivity of only slightly salty water and Faraday’s law of induction. Most likely, such a small and affordable instrument could be placed stationary on the planet’s surface or be carried passively or actively on mobile surface assets; TH2OR might be also used in combination with existing orbiting assets to increase its sounding depth. Next to determining the depth of groundwater, we should also be able to estimate its salinity and indirectly its potential chemistry, which is critical information for astrobiology and ISRU (in situ resource utilization).
((WN)) Does your TH2OR use TDEM like the Mars 94 mission — and will it use natural ULF sources such as solar wind, diurnal variations in ionosphere heating and lightning?
Stamenkovi?: The physical principle it uses is the same and this has been used for groundwater detection on the Earth for many decades; it’s Faraday’s law of induction in media that are electrically conducting (as slightly saline water is).
Stamenkovi?: However, we will focus on creating our own signal as we do not know whether the EM fields needed for such measurements exist on Mars. However, we will also account for the possibility of already existing fields.
Retrieved from “https://en.wikinews.org/w/index.php?title=Simple_animals_could_live_in_Martian_brines:_Wikinews_interviews_planetary_scientist_Vlada_Stamenkovi?&oldid=4567250”

CNet News launches reader wiki

Saturday, July 2, 2005

As an experiment in the use of wiki technology for news, CNET News has launched a web site where readers can collaborate with other readers to predict the future of India‘s technology industry, collectively supplementing a CNET report on India published on June 27, 2005.

The wiki uses Wikipedia‘s software, MediaWiki, with a custom design. Editing is not restricted. The wiki was set up by Andrew Lottmann of the technical production team at CNET News.com. “I would love to know if readers feel this wiki is a good medium for feedback or even ‘citizen journalism’ on News.com”, Lottman stated in his user profile.

As of July 2, 2005, the wiki was still relatively inactive, with only one “legitimate content page” and 176 page edits according to the site’s statistics. [1]

Retrieved from “https://en.wikinews.org/w/index.php?title=CNet_News_launches_reader_wiki&oldid=1109123”
Bird And Pest Control Products

Bird Control To Keeps Pest Birds Away

Bird control to keeps pest birds away

by

ashlyyy Bird flu virus is highly serious like the Swine Flu H1N1 virus is. Commonly known as Avian Flu, Person can be affected by this if that person comes into contact with another person who has it, or else by going into an area where there has been an outbreak of this virus. So Bird Control is the only way to keep way birds from you. Many people die from this disease each year. Not only this Bird Control is important because damage to buildings and agriculture environments. Many bird problems are due to poor planning and design. Pro Guard Bird Control Solutions has a team of experts who first study the bird problems and develop a plan of action to address the particular bird problem faced by each client. Bird nest can cause fire hazards and extensive damage to roofs, eaves, structures and machinery. Bird Repeller can save your property. Nesting around building ventilation systems will cause them to clog and work inefficiently. Bird Repeller is the best way to save your home from the Bird nest. Birds nesting can introduce bacteria and viruses into buildings. Spores, parasites, fleas and ticks can become serious health hazards in affected buildings. Bird Problems have a direct impact on the economics of agriculture. Birds feed on seeds or seedlings, damage or destroy ripened crops or pass bacteria on the crops possibly spreading disease or harmful bacteria. Most of the pigeons you see around a city, or any building. They damage our property. Bird Control is associated with the pest management industry, controlling birds is not at all similar to controlling insects or other vertebrate animals. Bird Control Services use a wide variety of proven methods to control the Birds like Bird Repeller, Bird spike, Bird Netting. Bird Control is important because bird proof your home is to keep your family healthy. Bird nest accumulates a build-up of viruses, bacteria and fungal matter in their droppings. The best way to eliminate this problem is to stop the nesting using some Bird Control method before it begins. Inspect your home closely. Determine areas that may be susceptible to nesting that are close to where your family congregates. One area that is sure to get summertime and often year round usage is your patio. The patio cover is a great place to mount a solar Bird Repeller. The Bird Repeller can be mounted on either flat or angled surfaces in a matter of minutes. So should use some Bird Control method to keep birds away from you.

Author is an Executive. Her Hobbies are traveling, Music writing and reading. More information on

[youtube]http://www.youtube.com/watch?v=y7tDhS3Hlao[/youtube]

bird Repeller

is available on their website.

Article Source:

ArticleRich.com

Tenders

Scurvy Causes, Symptoms And Treatment}

Scurvy Causes, Symptoms and Treatment

by

User name – Peter Hutch

Scurvy is perhaps the oldest known deficiency disease. However, its specific relationship to ascorbic acid was not recognized until the 20th century. It generally occurs between six and 18 months of age, but can start much earlier in pre-mature babies or those borne of mothers who lacked nutritious food during their later stages of pregnancies.

Scurvy is very rare in countries where fresh fruits and vegetables are readily available and where processed foods have vitamin C added. Vitamin C is an important antioxidant vitamin involved in the development of connective tissues, lipid and vitamin metabolism, biosynthesis of neurotransmitters, immune function, and wound healing. It is found in fruits, especially citrus fruits like oranges, lemons, and grapefruit, and in green leafy vegetables like broccoli and spinach. In adults, it may take several months of vitamin C deficiency before symptoms of scurvy develop.

Causes of Scurvy

In adults, early signs of scurvy include feeling weak, tired, and achy. The appearance of tiny red blood-blisters to larger purplish blotches on the skin of the legs is a common symptom. Wound healing may be delayed and scars that had healed may start to breakdown. The gums swell and bleed easily, eventually leading to loosened teeth. muscle and joint pain may also occur.

Scurvy develops when the diet lacks adequate amounts of vitamin C. Certain conditions increase the body’s demand for vitamin C and therefore increase the risk of deficiency. These conditions include pregnancy, breastfeeding, diarrhea, inflammatory diseases, burns, surgery, and exposure to intense heat or cold.

Symptoms of Scurvy

The appetite of the infant is recovered within 24-48 hours. The symptoms of irritability, fever, tenderness upon palpation, and hemorrhage generally resolve within 7 days.

The child may also suffer from an abnormal enlargement of the joints and swelling at the ends of long bones such as the thighs. Gum problems are unlikely until the child begins teething, but fever, anemia (a deficiency of red blood cells), and increased pulse and respiration rates are common.

A lack of vitamin C in the diet is the primary cause of scurvy. This can occur in people on very restricted diets, who are under extreme physiological stress (for example, during an infection or after an injury), and in chronic alcoholics. Infants can develop scurvy if they are weaned from breast milk and switched to cow’s milk without an additional supplement of vitamin C.

Some other important symptoms of scurvy are gradual weakening, pale skin, sunken eyes, tender gums, muscle pain, loss of teeth, internal bleeding, and the opening of wounds such as sword cuts that had healed many years before.

Treatment of Scurvy

The use of lime and lemon is highly beneficial in the prevention and treatment of scurvy. Being rich sources of vitamin C, lime and lemon are regarded as foods of exceptional therapeutic value. They have saved the lives of innumerable crews of ocean-going vessels from scurvy. The juice of one lime or lemon mixed in a glass of water, with a teaspoon of honey, should be taken for treating this condition.

As rich sources of vitamin C, lemon (bara nimbu) and lime (nmboo) are regarded as foods or exceptional therapeutic value in scurvy. The juice of either or both these fruits should be consumed by the patient diluted in warm water and mixed with honey.

As well as improving your diet by including plenty of fresh fruit and vegetables, you will be advised to take daily doses of 250mg of absorbic acid (vitamin C) supplements.

Read about

Home Remedies

. Also read about

Gifts for Girlfriend, Gifts for Her, Gifts for Boyfriend, Gifts for Him

and

Acne cure, Acne Treatment and Acne Remedies

Article Source:

Scurvy Causes, Symptoms and Treatment}

Telstra becomes the first in the world to switch to HSPA+ wireless Internet technology

Wednesday, September 1, 2010

On Monday, Australian telecommunications company Telstra has introduced dual carrier HSPA+ standard for broadband Internet business customers in the Next G network. This is the first time this technology is being introduced on national scale. The bandwidths the users can deploy increased into two to three times, with Telstra becoming the world’s fastest national mobile broadband service. The switch started with enabling the service for premium users. After some feedback, Telstra may expand the plan.

The higher speeds for wireless are intended to simplify and ease multitasking of users.

John Paitaridis, Telstra’s executive director, network products and services in Enterprise & Government, said “One of the reasons we decided to launch first to Enterprise And Government and Business customers is that clients are saying that their ability to access applications quicker makes a difference to their business and when they start to equate time savings and doing calculations around productivity it does become a return on investment.”

Telstra Business Group Managing Director Deena Shiff also stated that the efforts aren’t as sudden as it might seem, having feedback of many users as the base.

Australians are telling us they can’t afford to be tied to the desk all day and these new speeds mean they can now access mobile broadband at speeds typically reserved for the office. We have been deploying the high-speed capability in the network since December 2009 and now, with the launch of the new Ultimate USB Modem, these new speeds are available to customers across all capital city CBDs and associated airports, selected metropolitan areas and in more than 100 regional locations. These high-speed zones cover approximately 50 per cent of the Australian population and match the areas of highest customer demand and will make the frustration of waiting around for files to download a thing of the past. In other metropolitan and regional areas, the Telstra Ultimate USB Modem offers typical download speeds ranging from 550kbps up to 8Mbps… Our customers have told us that they want higher speed mobile broadband so they can work more flexibly outside of the office and we are delighted to be the first in the world to offer these new blistering speeds on a national network. The new Telstra Ultimate USB Modem provides customers with the speeds needed to handle large files, multi-task and update cloud-hosted applications effortlessly on the go when they are in a coverage area.

Previous modems were able to reach peak speed 21Mbps, with real life speeds ranging from 0.5Mbps to 8 Mbps. The theoretically expected maximum of the new technology is 42Mbps with user speeds varying between 1.1 and 20 Mbps. The new speed is twice as fast. This is caused by that the dual-carrier “Evolved High-Speed Packet Access” technology allows networks to send and receive wireless data using two channels simultaneously. This technology can be deployed on Next G networks. Telstra switched to them in February, thus making the switch to HSPA possible now.

Telstra delayed the implementation of the new technology until elections end. This decision was intended to avoid wrong interpretation of them by Coalition. Coalition’s claims include that wireless networks can be an alternative to the Labor party “fibre-to-the-home” proposal to introduce more expensive wired Internet. The announcement of the new technology, initially planned on August 25, was delayed, with Telstra spokesman Craig Middleton explaining, “We just didn’t want to feel like we were influencing the [telecommunications] debate.”

The political parties have different plans on development and funds on the Internet. The Labor party aims to spend AUD 43 billion to bring 1 Gbps wired Internet nationwide, and the Coalition plans to spend AUD 6 billion to introduce a variety of improvements including upgrade of existing copper Internet as well as expansion of wireless Internet to support 12Mbps. Opposition leader Tony Abbott has said in the past that Australians shouldn’t assume wireless technologies won’t ever be comparable to fixed-line technology. Telstra’s upgrade shows that wireless broadband is reaching the 100 Mbps minimum speeds promised by Labor’s national broadband network.

Telstra has only 2000 devices which support the new technology. This is why the opportunity to try it out is being given only to the Business plan customers, and they receive it for the same price as they were paying for the previous NextG plan. Since October 5, the device will be available for sale, with the Business customers able to buy it with 75% discount and a prepaid data allowance. The upgrade is expected to cover roughly 50% of the population. This is happening at the same time as one of Telstra’s competitors Vodafone is doubling data download quotas on mobile cap plans.

As some testing showed, real life download speeds reached only about the half of the maximum. Telstra executive director of wireless Mike Wright explained that the predicted figures were the estimates, with real life speeds lower due to interfering environmental conditions: “It’s possible to achieve better than the typical user speed claims, but those claims occur in the ideal network environment with good signal quality. When you’re out on the streets you get a lot of variation where the network is subject to signal quality, your location and the network load.”

Retrieved from “https://en.wikinews.org/w/index.php?title=Telstra_becomes_the_first_in_the_world_to_switch_to_HSPA%2B_wireless_Internet_technology&oldid=2318493”