Quality Tale - News on Technology

Thursday, July 23, 2009

Thoughts on Nuclear Issues

The use of nuclear weapons for defence and the production of energy in nuclear power stations are both controversial and raise issues of economics and security throughout the world. International treaties have been signed to halt the proliferation of the number of states having access to nuclear weapons and to ban atmospheric testing. It is not known the full extent of damage caused by earlier nuclear weapons testing programmes, such as those, which took place in the Marshall Islands between 1946-1958.

Nuclear reactors for the production of electricity are important particularly to those countries, which lack geothermal, hydroelectric or fossil fuel resources. However, events such as the Chernobyl disaster in the Ukraine in 1986 have heightened awareness of the inherent dangers of nuclear power.

Even where the safety of reactors themselves is not a major question, nuclear reactors contribute to environmental damage through low-level radiation liquid effluent discharges and through the creation of wastes, which are difficult to dispose of safely.

Some commonly used equipments like measurement equipments in the mining industry or a simple smoke detector can also contain radioactive sources.

Radiation problems can also occur naturally. In some sites the local rock naturally releases radon gas which can create health problems for the local inhabitants. It is one of the want or you can say necessity of your beloved country. Is it really necessary?

Have You Ever Think about Toxic Chemicals?

Certain chemicals deserve special mention, as they are particularly persistent and toxic. In the 1930s arsenic was the only compound known to cause cancer but since then other heavy metals such as cadmium and lead have been added to the list. Organic pesticides such as DDT, dieldrin, and lindane are also known to cause cancer.

Particularly at risk are agricultural workers in developing countries where protective clothing may not be made available when spraying pesticides. It is interesting to note that the majority of workers at risk are women. Concentrations of DDT in Central Americans are likely to be 11 times higher than those of North Americans.

Polychlorinated biphenyls (PCBs) are used in some 200 different forms in plastics, electronic insulators and hydraulic fluids. These are toxic to humans and cannot be excreted. Once ingested they will accumulate in body tissues and concentrate through the food chain. Samples taken in the North Sea indicate only 0.000002ppm of PCBs in water but 160ppm in sea mammals.

Chemicals that have been tested for toxicity may be assigned a WHO safety limit. However, despite the reduction in use of certain chemicals in Europe and the US, toxic chemicals still reach their populations through crops grown in developing countries and exported to the global market. Have you ever think about it?

It is a Trusted Treasure Trunk of Certified Coins

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New 7 QC Tools of Quality : The Interrelationship Digraph - QC Tool 2

The main purpose of the interrelationship digraph is to depict the relationships between different issues. Often times this digraph is used in conjunction with the affinity diagram. It can be very powerful in that it reveals the impact one issue can have on other issues. There are seven steps to create an interrelationship diagram:

1. Identify problem or issue
2. Write each element that relates to problem in a box
3. Draw arrows from the element that influences to the element that is influenced
4. Draw the strongest influence if two elements impact each other
5. Count the arrows
6. Elements with the most outgoing arrows will be root causes or drivers
7. The elements with the most incoming arrows will be key outcomes or results

Below is an example of an interrelationship digraph:

Saturday, June 20, 2009

New 7 QC Tools of Quality : Affinity Diagram - QC Tool 1

Guys, all you heard about the 7 QC Tools of Quality. But the days are gone to strengthen the quality norms new 7 QC Tools are introduced. I think, after applying these "New 7 QC Tools" everyone can able to analyze the problems in micro level.

The Affinity Diagram:

This Affinity Diagram is a very useful tool to use when brainstorming is the main goal. This is an especially effective tool because it allows the participants to be both creative and logical. By generating ideas the participants are tapping into their creative side, and organizing those ideas allows them to exercise logic. According to "Pekin Area Chamber of Commerce", there are 3 main instances when an affinity diagram is especially useful. First, when the problem is complex or hard to understand. Second, when the problem is very large and could appear to be overwhelming. Last, when support and involvement of another group is required. There are six basic steps to creating an affinity diagram:

1. Identify the problem or issue
2. Each person writes issues related to problem on note card or sticky notes
3. Organize the cards or sticky notes into logical piles
4. Name each pile with a header
5. Draw an affinity diagram
6. Discuss the piles created

Below is an example of an affinity diagram:

Saturday, May 16, 2009

St. Thomas Villas : Be a Virgin Islander in Just $100

Hello, I am not joking! Really, It is true! Yes, you will be a Virgin Islander of $2 million valued St. Thomas Villas. Yeah! Oh! I know, you people never believes me. Just come with me I will show you what is it exactly!

Guys, it is an upper-class country house that everyone dreaming about it, like we people. Actually, I cannot forget these words that I will be a Virgin Islander of St. Thomas Villas. OK!

Everyone has a wish to visit a gracious place, a place that gives the most beautiful moments of life. Where the husband, wife and kids or love couple spending their valuable time with each other. It is just one they imagine as a dream vacation, that the time never allows them to forget all the sweet memories easily.

But while we are planning to go anywhere else, we have to struggle a lot from booking to fix an accommodation and also the worries about family security; it happens normally. But there is no guarantee that one can gets a peaceful and unforgettable moments.

At St. Thomas Villas, you never say like that or you never imagine other side. If you look at above picture then I am sure, you can realize the truth behind St. Thomas Villas. I know, all you think that I am guiding you all on wrong ways. But it is not the fact, for the instance, you just surf the site named "VIPropertyRaffle.com" and all the related information to become a real and virgin islander of St. Thomas Villas. So just move your fingers to be a virgin islander in just $100.

Mind-reading : A New Chapter of Technology

'Mind-reading' body scanner uses sensors to tell if a person has harmful intentions; could thwart terrorist attacks, and speed up security checks.

The Department of Homeland Security in the US is testing a body scanner for its efficacy in reading people's mind - an approach that can make it easy to nail terrorists who can wreak havoc.

The new system could be set up at entrances to stadiums, malls and in airports to make it very difficult for terrorists to carry out attacks. The technology could also speed up entry routes at checkpoints.

How it works:

As people walk through the scanner, called MALINTENT, sensors measure their body temperature, heart rate and respiration. The system uses this data to predict whether the person has plans to harm those around him.

The sensors do not even require any physical contact to carry out such tests - a reason why the system is also being hailed as an "X-ray for bad intentions".

The researchers are also incorporating micro facial scanning in the technology, which measures minute muscle movements in the face for clues to mood and intention.

The system recognizes, defines and measures seven primary emotions and emotional cues reflected in the contraction of facial muscles.

If the sensors identify that something is amiss, MALINTENT transmits the warning data to analysts, who then decide whether to flag passengers for further questioning.

The researchers recently conducted a field test: While the 144 test subjects thought they were merely passing through an entrance-way, they actually walked through a series of sensors that screened them for bad intentions.

The boffins also selected a group of 23 attendees to be civilian "accomplices" in their test.

Each of these participants was given a "disruptive device" to carry through the portal. Unlike the other attendees, they were conscious of being on a mission.

While the results of the experiment were not disclosed, the scientists called it a resounding success.

Fast Passage:

The entire security array - from scanners to screeners - is called Future Attribute Screening Technology (FAST) because it is designed to get passengers through security in two to four minutes, and often faster, the scientists said.

It also meets rigorous safety standards to ensure that the screening would not cause any physical or emotional harm.

As for errors, experts working on the project insist that even if a person sweats heavily by nature, the system is smart enough not to mistake him for one with criminal intentions.

MALINTENT addresses privacy concerns as well, by deleting all data regarding a person examined after the test.

Your data is dumped. The information is not maintained - it does not track who you are.

In the future, FAST may also incorporate biological, radiological and explosive detection. But the primary focus is still on identifying and isolating potential human threats, said the researchers.

Pediatric Links - Must See

Pediatric Surgery
This blog describes various medical and surgical diseases in children.

Laparoscopic procedures
Laparoscopic surgery though require skill, it is less morbid, less painful, gives good cosmesis and avoids large scars.

Pediatric Cancer
It is an informative blog which describes various types of cancer in children, their clinical presentation,diagnosis and management written by a surgeon.

Atlas of Pediatric Diseases
It includes the exclusive pictures of various diseases in children. This is very useful site to remember the pathology in a glance. Especially for doctors as well as for persons who are interested in pediatric medicine and surgery. Disclaimer :The images in this blog are from real surgeries, and they might not be suitable for all readers.