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January 27th, 2010

Little More Power Needed!

Posted by admin in Living With Science

Anything less than that, and a windmill won be able to generate enough power’ If youe unsure about these, check with an expert to make sure you make the right decision for your home. Wind power systems are generally made up of a tower to hold the blades and five blades to catch the wind and turn it into usable energy. Well, all good guides should conform to the following basic requirements. Firstly, and perhaps most importantly, any wind turbine, generator and battery guide should offer a full, no quibbles, money-back guarantee. There are, however, limitations regarding wind farms as major energy alternatives. Wind power is an enticing energy platform compared to fossil fuels. The process works by using the inherent energy in wind as a method for producing electricity. The actual methodology is much like hydropower, but with wind used in place of water. The most familiar types used today are the horizontal axis turbines; they are significantly more efficient and are able to produce fairly large amounts of energy in comparison to other types of renewable power. Horizontal axis turbines need to be pointed directly at the wind. There are various sizes and power ratings of wind turbines. the best location for wind farms is on ridges, hill-tops , near the beach, and even being set up in areas of unused farmland that are almost without trees, where they can catch the wind .As the global energy crisis keeps getting worse day by day, the need to increase the use of environmentally friendly energy sources like wind is more. These turbines typically use the concept of 3 rotating blades placed on a tower. They should be placed in locations where there is high wind constantly. This is why most of the time you will see wind turbines being placed near coastal areas. Wind Resource Assessment makes it possible to predict the value of energy the particular turbine will produce.

Source: Wind Power Pros And Cons

November 25th, 2009

Ethanol Fuel Benefits

1. When you consider shifting to a renewable fuel, ethanol automatically comes to mind because it stands out due to the great benefits it provides. Renewable fuels are those that can be produced year after year and you do not rob the earth of its valuable resources whereas crude oil, when extracted from the earth, slowly depletes earth’s resources. Crude oil doesn’t come from a perennial source whereas ethanol can be extracted from crops that are grown time and again.
2. Pollution and greenhouse gas emissions are things alien to ethanol. Compared to petroleum-based gasoline, ethanol fuel contains more oxygen and hence burns completely and doesn’t add up to the global warming dilemma. The fact of the matter is greenhouse gas emissions are reduced by 46% with ethanol. Studies also show that if there is a 10% ethanol in your gas tank, the greenhouse gas emission is reduced by 19%.
3. When water and ethanol come into contact with each other, ethanol exhibits a unique chemical quality of separating and hence the question of water pollution does not arise. Another factor is that ethanol is biodegradable and this strengthening the supposition that it won’t pollute ground water.
4. Making ethanol is cheaper than making gasoline. If you convert vehicles into flex fuel vehicles, you can save innumerable gallons of fuel every year.
5. The good thing about ethanol is that today’s vehicles can use it and the present-day fuel distribution infrastructure can handle ethanol distribution as well. Use of ethanol can easily integrate well with the present day’s technological scenario. Traditional gasoline and ethanol can be blended and used in almost all the vehicles including hybrid vehicles.
6. Another great benefit: the use of ethanol supports local farmers and economies whereas when gasoline is used, you help big and particularly overseas companies earn.
7. Import of oil from oil producing companies abroad and dependence on them can be reduced if you use ethanol. Ethanol and ethanol blends will help the economy grow by shedding our dependence on imported oil.
8. The beauty of ethanol is that it can be produced from any biological source, though at present, it is produced from corn and sugar cane. The technology is still evolving. Research is on to produce it from waste products like unusable portions of crops. Once this technology is perfected, there will be an authentic alignment of nature and technology and the enormity of the change will be tremendous.
November 22nd, 2009

Start Building Your Personal Wind Power System

Posted by admin in Living With Science

Before you even start building your personal wind power system , you’ll notice that the modern plans are speaking to you in a simple and easy to follow way. Since windmill designers started leveling with the general public and coming up with money saving tips for them, the two shared a mutually beneficial relationship. Fortunately, windmill planners and designers are doing something about this: they are making it possible for average people to build these simple machines (and for cheap). This article will explain the new revolution and why it is such a huge deal. A home wind power generator is a simple machine that hasn’t had a major technological revolution in a very long time. It is safe since it doesn’t produce smoke that will create gases harmful to our health and not to mention to the environment. It is for this reason that the use of wind power windmills is slowly gaining ground. The good news is wind power generators and their solar counterparts are well within reach of the common households these days. Wind power generators are machines that convert wind energy to electrical power. The only required fuel is wind and is therefore free, natural and unlimited. However, the initial capital costs can be considerable although the price range for small-scale home systems nowadays has become quite affordable. When wind turbines are powered with solar panels, the two are powerful force in generating cheap energy. Solar energy in itself is free. The world is slowly heading to an age where fossil fuel and coal are going extinct! It’s time we start to take the step of stop using conventional mean to power our cars, our dishwasher, and our homes. Eventually, we will hit an energy crisis that will devastate the world! The price of gas is skyrocketing, our energy bill will start costing thousands, the world will probably start fighting any necessary means to obtain more resources! Yes!? That can never be good..

July 14th, 2009

Genetic Therapies Could Make Promising Options for Treating Mesothelioma in Comparison to Radiation Therapy

Posted by admin in Healthy Stuff, Living With Science

Oncologists determine what kind of treatment to pursue with each patient. There are numerous options. There is no universal treatment course for mesothelioma cancer patients. This is because of the relative rareness of the disease, the high mortality rate and low treatment success rate, and the few scientific studies to provide meaningful statistics.

While prospects for patients with mesothelioma have been bleak, doctors have been making progress. Customary treatments for cancer are surgery (removing the tumor and the tissue that surrounds it), chemotherapy (poisoning cancerous cells) and radiation (killing cancer cells with radiation) Each one of these methods have problems. Traditional radiation therapy has not worked well with mesothelioma patients. Researchers are looking for ways of aiming radiation directly at the tumor in hopes that this will result in less damage to healthy tissue.

Surgery takes out the mesothelial cancerous tissue around the tumor. The surgery is difficult and challenging, with unknown effects or benefits to patients. Common chemotherapy drugs that work on other types of cancer usually do not work on mesothelioma, and combinations of chemotherapy agents have been tried, but without much success. As with radiation, research is going toward controlling the physical location of the treatment with emphasis on the pleural cavity.

Many advanced techniques in cancer treatment are tried on mesothelioma patients because of its high fatality rate. These techniques include a biologic therapy called the agent interleukin 2 and anti-angiogenesis drugs like thalidomide. A new drug that has shown results in improving survival is pemetrexed (brand name Alimta).

Considered by oncologists is where the tumor is located, what stage the mesothelioma is in, and the age and health of the patient. Theres also photodynamic therapy and gene therapy ” two far-out new ways of attacking cancer. Patients afflicted with mesothelioma are benefitting in these clinical trials.

June 9th, 2009

Screening and Indicators Provide Steps into Diagnosis of Mesothelioma

Posted by admin in Healthy Stuff, Living With Science

Cancer of the mesothelium will show a few primary symptoms. The primary symptom of pleural mesothelioma is shortness of breath as a consequence of pleural effusion ” the accumulation of fluid in the pleura, or membrane, surrounding the lung. The next most common symptomis chest pain because the tumor is attacking the chest wall. Additional symptoms include night sweats, weight loss and exhaustion.

The main indicatorof patients with peritoneal mesothelioma, which begins in the abdomen, is abdominal swelling due to fluid buildup in the abdomen (a condition called ascites), bowel obstruction, and stomach pain.

It is important to note that many of these symptoms may be caused by other conditions. Nevertheless, you should see a doctor if you have been exposed to asbestos and have experienced any of these symptoms.

Malignant mesothelioma is hard to identify, because many symptoms are also associated with less serious conditions. Typical symptoms:

  • Difficulty breathing
  • Lower back or chest pains from a buildup of fluid in the pleura
  • Burning up
  • Nausea
  • Hoarseness
  • Difficulty swallowing
  • Coughing blood

Self-diagnosis should never be attempted. One suffering from any of the above symptoms should see a doctor and remain calm. The standard way to confirm the condition is with a biopsy. A pathologist removes a piece of tissue from the suspicious area and examines it to return a highly accurate diagnosis. Usually, biopsies do not hurt.

Another option is a CT (Computed Tomography) scan. A CT scan is basically an X-ray procedure where cross-sectional images are taken as a scanner rotates around the body. Sometimes, the patient ingests a dye that helps define the picture. CT scans have the advantage of being non-invasive and easier, and they are known to be an effective diagnostic tool. Opinion is divided as to whether the scan is more or less cost-effective than a biopsy. If there are irregularities, a biopsy may be needed on top of the CT scan to confirm whether or not the irregularity is a tumor, and if so, if the tumor is benign or malignant. Diagnosis of pleural mesothelioma is also possible by testing a sample of fluid from the pleura for cancer cells.

Any of these methods may also be used to screen for mesothelioma. Patients who may think they are at risk but do not display any symptoms are typically screened, to make sure they are not in danger or to catch the cancer as early as possible. Patients should be screened for mesothelioma if they have a history of asbestos exposure.

May 20th, 2009

Practical Algebra

Algebra delineates relationships between things that diverge over time. These variables include matters like the relationship between supply of an object and its price. Mathematics is not an easy subject for almost all students. Many software applications are available with a mixture of subject field presentation so students of any intellectual level can find the way that works for him/her. These software titles also facilitates students to comprehend usefulness of Algebra in real life as well as in industry solutions. Larger functions utilized in algebra include Graphing non-linear inequalities , Solving compound inequalities , Solving quadratic inequalities , Adding and Subtracting matrices etc.
Algebra is an important area but students can be weak-kneed initially if they do not work hard enough in early stages. This makes elementary math skills essential to help students successfully advance from algebra and make headway into broader math with assurance.

How to Successfully Deal With Algebra

Instrumental algebra software applications provide more than what can be found in the students practice books, such as homework help, interactive guidelines, games and a worksheet tool or graphing calculator. The most useful software have all of these factors - ease of use and covering of all the topics.

Such instructional tools come in handy when different forms such as audio, video, animations and games are put in to use in order to teach the lessons. All the important topics should also be covered from Pre-Algebra through Algebra II. Important topics normally include: Finding complement of an angle, composition of functions, finding degree of polynomial, determine if line is vertical

How to Utilize Algebra Software

Some algebraic software shows results only, while other (much more suitable for elementary algebra) show all the steps as well as explanations of mathematical theories that are being used. For students, ease of use of the software is the number one requirement. Thus, the software ought to be bundled with value added options like high quality and timely user assistance, enclosed help options, and easily laid out math tutorials.

February 10th, 2009

The European Skiing Resorts Will Battle Due to the Higher Cost of Crude Oil

Posted by admin in Living With Science, Travel Stuff

It’s been forecast that the Alps largest 655 skiing alps may be abridged to 410 by 2048. Jole Manna said that skiing resorts will suffer earlier than then, not because of a decrease in the amount of precipitation merely from a universal shrinkage in purchasing might tied in with the price of crude oil. What about global warming? Experts have exhibited that a doubling of CO2 levels will increase ground temperatures by 4 - 6 degrees Celsius. All the same there are still several open queries. The pace of global warming and the effects on the local climate. A few degrees Celsius warming last century has not been recorded over the last one million yrs. Even during the ending of the last ice age 21000 years ago the warming of three degrees Celsius was during a period of 5 to ten thousand years. Prior to that Courchevel and Hautacam were under glaciers and Val Cenis was the same as the Arctic.

And so what does the future hold for mid height ski towns? Electricity troubles will begin to be keenly felt by 2013 to 20. Half of our economy depends on oil and the French purchases 85 percent. The current total amounts to three % of gross domestic product. If the cost of oil grows as predicted it will comprise 41 % of GDP, one can imagine the economic downturn. The French Alps will see the cost of farming commodities climbing, plant life species will alter due to a alteration in rain patterns. Many people will quit the area because of the summertime heat. Hydro power will be a valuable source of power but it isn’t obvious that it will be a bonus given that there will be a lot less rainfall, more water in the winter seasons and fewer in the summer.

April 5th, 2008

Growing White Pine Trees In The Doylestown Pa. Area

Posted by admin in Living With Science

Planting White Pine Trees In the Doylestown Pa. Area White
pines. Whenever I think of white pines, I remember hunting when
I was a kid and standing near trees that were giants. Now every
pine tree I plant, I can invision those days in the deep woods
and those grand trees and hope someone else will have that same
enjoyment. These trees will help you too in establish a desired
vision to your landscape.

Beyond their size, white pines also fill important ecological
niches. They grow across broad ranges of forest and urban
conditions, finding much of North America to their liking.

White Pine trees need protection from deer, disease, insects,
and competing weeds and shrubs. The better your weed control the
better your trees will grow. When seedlings are planted, it best
to plant them with large spacings to allow more light to the
plant. If these trees are planted in shade, they tend to be more
open. White pines are used around new construction because they
perform in a wide range of soil conditions. If you have
compacted soil from new construction, we suggest smaller trees
of 3-5′ height.

All people handling seedlings and small trees need to help with
the life support of your plants. Seedlings are like fish out of
water and need care which is often overlooked between the time
the seedlings are lifted and transplanted. Improper care means
higher mortality. Do not try and reinvent the wheel. You must
protect seedling from moisture and temperature extremes, as well
as physical damage. Seedlings are living and should be handled
carefully. For a higher survival rate, treat trees carefully and
plant them immediately. I like to have a backup plan for
planting if the weather turns bad. I will sometimes switch from
lining out the seedlings to potting them up if I realize that
the soil conditions will not be right for an extended lenght of
time. If planting must be delayed a few days, keep the plants in
a cold, protected place with air circulation between the trees.
Keep the trees out of the rain and wind. To check if the trees
need water, feel the media at the roots.. If it isn’t damp,
water the trees and allow the excess water to drain. In cool,
damp weather, the biggest threat to these trees is from mold.
Try to keep out of soil seedlings moist by either restricting
water loss with a water vapor barrier or by wetting the roots at
regular intervals. While handling or planting try to reduce
temperature and air movement around the seedlings. Windy days
can dry out seedlings so consider waiting for calmer weather.
Once your soil conditions are correct OUR FREE USE PLANTERS will
make planting a snap so its will be worth waiting for good
planting conditions.

HOW TO PLANT

Ideal planting days are cool and cloudy with little or no wind.
If possible, avoid planting on warm, windy days. The soil should
be moist not wet. Care in planting is more important than speed.
Make sure the roots are never allowed to become dry. Bare root
seedlings should be carried in a waterproof bag or bucket with
plenty of moist material packed around the roots to keep them
damp. Ideally, bare root boxes should be kept refrigerated or
packed in ice or snow. Don’t freeze the trees. Competition from
weeds, grass, brush or other trees is very detrimental to
survival and growth of seedlings. Choose areas free from this
competition or clear at least a three-foot square bare spot
before planting. Seedlings should not be planted under the crown
of existing trees, or closer than 6 feet to existing brush.
Avoid areas near walnut trees. Brush aside loose organic
material such as leaves, grass, etc., from the planting spot to
expose mineral soil. If organic matter gets into the planting
hole, it can decompose and leave air spaces. Roots will dry out
when they grow into these spaces. Open up the hole, making sure
the hole is deep enough for the roots to be fully extended. If
roots are curled or bunched up, the tree will not be able to
take up water correctly, will often weaken and die, or may blow
down later due to poor root structure. Take a tree out of your
planting bag or bucket only after a hole is ready. When exposed,
the fine roots can dry out in as little as 30 seconds. Seedling
shoots and roots lose water to air, roots require more
protecting.Unlike leaves ,they do not have stomata (closeable
openings on the surface of the leaves) or any waxy coatings to
help reduce water loss. If the roots apear dry they are probably
dead. Now I know you are thinking,”I will place them in a
buckect of water and store them there until planting”. This will
not work. Submerge plants for no longer that a couple of
minutes. Placing them in water cuts them off from oxygen.
Remember to remove the container before planting a containerized
tree. A helpful hint to all those new gardeners just starting is
to remember to always plant green side up. Hold the seedling in
place in the hole, making sure the roots are straight, fully
extended and that the tree is neither too shallow or too deep in
the hole. Fill hole, allowing soil to fall in around the roots.
Tamp with hands or with your heel. Don’t crush the roots by
jumping up and down around the seedling like there is a snake
curled up around the seedling. It is delicate. Fill with more
soil, if necessary, and tamp. Tamping is important. If soil is
not firmly packed around the roots, there will be air pockets
that can dry out the roots, and the seedlings may be weakly
anchored. It is far easier to plant the tree strait up then have
the tree leaning and have to adjust the tree later. (Addition of
fertilizer and plant vitamins at the time of planting is not
generally necessary.) Take your time in planting. Proper spacing
will help you grow a more valuable crop. I have tried to get
more production from a limited area by over planting and then
thinning, but I always have had trouble in harvesting ….
digging is slower and poor quality usually results for a portion
of the crop. Avoid these tree planting errors:

Tangled roots Planting too shallow Planting too deep Air pockets
Turned up roots (this is called J rooting) Planting trees that
are not tolerant of wet soils in poorly drained areas Planting
over rocks, septic tanks and leach fields, on sand mounds

CARE OF TREES FOLLOWING PLANTING Check periodically to be sure
that brush, grass and other vegetation is kept under control by
mowing, mulching, spraying or a combination of these treatments.
Always obtain advice from a licensed pest control advisor before
using chemicals. You ag extension agency may offer courses in
application of chemicals. Monitoring the appearance of your
trees will help you to detect signs of insects, diseases or
other problems. Apperances also help sell your product. Look for
foliage turning yellow, new foliage drooping or other signs of
poor health. It is easier to take successful corrective action
if the problem is detected early.

Over watering is a common problem in irrigated plantations. You
probably won’t need to water more frequently than every 7-10
days. Give your trees a thorough, deep soak and then let the
soil dry out before the next watering. This encourages the roots
to grow down in search of water. Frequent, shallow watering
encourages root growth near the surface and the trees are more
dependent on irrigation and are less windfirm. Animals can be a
major cause of damage to young trees. Porcupines, gophers, mice,
rabbits, deer and cattle are the most frequent source of damage.
In many states you may have to call your game commission and get
their recomendations on legal methods to protect your crop. In
our state, you can get help from the Pa. Game Commission to kill
deer that are a threat to your seedlings or obtain a free fence
to keep deer away from your seedlings. Over the years we have
lost more trees to mice than any other animal. Put rat baits out
on a regular basis. Over the years we have lost more seedlings
and plants to mice than any other culprit including deer and
rabbitts combined. You can see other articles written by Bill
Hirst about trees, plants, and shrubs at
http://www.zone5trees.com

http://seedlingsrus.com/Arborvitae.html

http://seedlingsrus.com/FreeFencing.html

http://seedlingsrus.com/Winter

http://zone5trees.com/Hedges

http://zone5trees.com/PlantingInstructions.html

http://zone5trees.com/ProfitsGrowingTrees.html

April 1st, 2008

Global Dumbing?

Posted by admin in Living With Science

I am beginning to wonder if scientists have been getting it all round. All this time, people have been worried about the Ozone, a giant asteroid, or some breakout of a bio-hazardous agent by a terrorist organization being the doom of mankind. We have spent all this time looking outward instead of inward towards ourselves.

The latest studies have identified to startling facts. 1 - that the whole in the Ozone layer is getter smaller, and 2 - that the brightness levels on the earth our getting dimmer. Does this all mean that Global Warming was all just a sham? That those corporations who continue to abuse our earth with reckless abandon have been right all along? That tree-hugging hippies have had their brains melted from too much LSD?

Scientists seem to be getting dumber in direct proportion to the grants given by governments, which are lobbied by corporate interests, increases. They have looked at the new Global Dimming phenomenon and said, “It can’t be getting warming with less sunlight!” And no doubt that as this new story makes it rounds about the Ozone getting smaller, they will point to the great job done by their benefactors and reducing Green House emissions and say that the Ozone must be replenishing itself.

Statements like those should be judged as criminal, just as tobacco companies should be held accountable for the deaths of all their consumers. The population must be made aware of the truth behind their corporate agenda. We, the working class, are the ones that can control our future, and dictate to those Ozone depleting companies our new terms. We demand clean air. We demand that pollutants stop being poured into our waters. We demand our forests not be cut down faster than we can replant. We demand alternate, safer energy sources to heat our homes, and power our vehicles. We demand all this because our Earth is dying before our own eyes.

The whole in the Ozone layer has gotten smaller, but at the cost of thinner protection worldwide. We are not just talking about a gap over Antarctica. We are talking about more harmful radiation being let in on a yearly, monthly, daily basis. We used to be able to send out our children to play outside all days. No one needed any sunscreen with special UV protection. Now, one has to only go outside for 20 minutes before feeling the sting of the sun, while sunscreen has become big business. No one will react until research tells us 15 to 30 years from now that cancer has reach epidemic proportions. The warning signs are there already, we are just choosing not to listen.

Global Dimming is the best example yet. Scientists have started to look at how it has become increasing dimmer on the planet. Sunlight is not getting through as it once used to. It is only normal to think that whatever is keeping the sunlight out, must be keeping the heat in. And whatever is keeping the sunlight out is not necessarily providing us with a layer of protection. More likely, it is beginning to coat our planet with more harmful cancer causing radiation.

While I do not profess to hold a degree in science, I do profess to hold common sense. All science has done is identify several situations, but has done nothing to confirm how we got their, and what we need to do to get back to where we were. My belief is that there may be too much corporate interference for any decisive action to be taken. And for the companies who will continue to pollute our environment that is as good as winning. The worst thing that we can do as a population, is not add Global Dumbing to the list. Get smart, take action. You may not be able to make a difference individually, but together, you can effect change. We may always live in a world that separates the rich from the poor, but that does not mean that we have to accept how those in power secure their wealth.

Take public transit
By hybrid cars. Create the market and force companies to move away from their alliances with Oil Companies, and forge new ones with alternate energy sources
Get more active, in physically, with your family, and in your community
Read labels and ask questions
Write to your representative

About the Author

Gary Whittaker is the editor of T.E.N Magazine, a webzine with balls. Check out more articles at http://www.tenwebzine.com