Archive for the 'Science Stuff' Category

Rising to the Challenge of Managing the Environment

Thursday, January 28th, 2010

We’re looking for answers to questions we have not fully formed. Today’s world is changing so quickly we’re not sure we can keep up with it. After several hundred years of industrialization, mankind is finally affecting the global environment at an easily measurable pace. We have surpassed even cows in producing environment altering gases that change how our atmosphere works. We may disagree on the details of what will happen next, but we all pretty much agree that change is in the wind — literally.

A recent series of articles on science fiction and environmentalism has received some attention. People are starting to sit up and take notice of the immense responsibility we have taken upon ourselves for altering our world environment. But we cannot just look at “fixing” the problems we have created (changing weather patterns, loss of tree cover, extermination of irreplaceable species, etc.). We must also look at how we’re going to survive on Planet Earth for the next few hundred years.

There are no viable alternatives to this world. We cannot just hop on board a few million space ships and go find another planet. In fact, even if we could colonize other worlds only a very small fraction of humanity would be able to make the trip. The vast majority of people would remain behind on Earth, still facing all the problems that overindustrialization, overcrowding, and overpolluting have created.

In one fascinating attempt to outline global strategies that humanity could initiate, science fiction writer Michael Martinez suggests that we could irrigate our largest deserts to create new arable land, new wetlands, and possibly alternate habitats for vanishing species. Poor nations with few resources could transform themselves into gardens rich with wildlife, farms, and biofuel production facilities. The 22nd century would not have to suffer because of the excesses of the 21st century.

Such radical thinking is bound to draw criticism. Some people don’t want to lose their multi-million acre deserts to farms and artificial wetlands. They’d rather leave the desolate wastes as Mother Nature shaped them. But the Sahara desert alone has passed from desert to wetland three times in the past 120,000 years. Why should man not try to effect the change again? It’t not like the Green Police will suddenly show up and tell us how to fix the problem. We have to think creatively now.

The Benefits of Investing in Ethanol Fuel Now

Friday, November 27th, 2009
1. Renewable fuels are going to rule industries in the future because they are good substitutes for rapidly-depleting crude oil. One such renewable fuel is ethanol fuel that possesses excellent qualities that may justify its use as a fuel. It is produced from crops that are grown every year or probably every suitable season and hence the question of it getting depleted doesn’t arise at all. But the present day fuel, gasoline is likely to get exhausted very soon because of man’s as well as industry’s avarice for gasoline.
2. It is for a few other reasons that nations are gradually shifting to renewable fuels like ethanol and these include pollution and greenhouse gas emissions in particular. These two dangerous factors in global warming will be addressed with ethanol as firstly, it can cut greenhouse gas emissions by 46%. Even a marginal 10% content gas tanks can reduce greenhouse gas emissions by 19%. Ethanol has a higher content of oxygen thus burning more completely when used as a fuel.
3. There are less chances of the water being polluted by ethanol because the latter has the unique capacity to separate when mixed with water. It is biodegradable and hence ground water sources cannot be affected by use of ethanol.
4. The cost we may incur in producing ethanol is much less than what we will spend for producing gasoline, making a lot of economic sense to shift to ethanol as the major fuel.
5. Current hybrid and normal vehicles, distribution systems, and the technologies that are prevalent now are all suitable for use with ethanol as the main fuel. It has been proven that if ethanol and gasoline are blended and used as fuel, it burns more efficiently than gasoline alone.
6. With a focus on ethanol, local farmers who grow crops for ethanol feedstock will benefit more than foreign oil-exporting companies who fish in troubled waters. When farmers enjoy the fruits of their labor, the whole nation benefits as well.
7. Foreign exchange reserves that are used to service huge crude oil imports are reduced with ethanol production. The nation can slowly come out of the clutches of the oil exporting countries upon whom it is presently dependent for the crude oil.
8. The present crops from which ethanol are manufactured are corn and sugar cane but studies abound pointing to the fact that other natural crops and materials can also serve as feedstock. Crop wastes are likely to be added to the list of basic ingredients for producing ethanol and findings of this research are proving to be more positive each day. Once this is established, the way we use fuels may radically change.

Keep the Power Running

Sunday, October 25th, 2009

A properly built wind turbine requires very little maintenance to keep it running for years. The second advantage of using domestic wind turbines is that they do no harm to the environment. Since they are powered by the wind, and do not rely on fossil fuels to operate, there are no greenhouse gases produced to pollute the atmosphere. The third advantage of using wind turbines is that they are easy to install. European countries than it is here. Although it is increasing in its popularity. Home wind power has many advantages to it and creates other advantages as well. Not only does it create a solid and stable energy source for cheap, but it also helps create jobs especially on large-scale wind power farms. These types of farms have the larger commercial wind turbines, which produce larger amounts of energy. Panels for under $200 or easily do it for less than $100 if you do a little extra work in collecting materials finding the cheapest (or sometimes free) materials needed for your project. Before you try to build your own solar power, you need to have the right tools. Earth4Energy guidebook.�So you want to set up a wind turbine at home? The first key question that has to be asked is the obvious one – have you got enough wind? In general you will need a reasonable speed and consistency of wind. If theres not enough wind then your next best alternative is using solar power – something else that the Earth4Energy guidebook can assist you with. The people investing billions into implementing these farms are not simply just picking the cheapest land they can find, and slapping a few dozen wind turbines on it; their land selection is based on lots of research into wind patterns and prevalence in particular areas of the country. With that said, there are lots of other factors that can weigh heavily on the output of a wind turbine or wind farm, one of the most important being up to date maintenance of the most critical components of the turbine. There are many different preventive maintenance procedures that are absolutely necessary for the efficient generation of power via a wind turbine.

Can We Make Algebra Easier?

Saturday, July 25th, 2009

Algebra is one of the most fundamental and superior branches of mathematics. Although at first it may look to just fly over your head, exercise helps in making understanding things a lot better. One has to stay learning this subject area at higher educational levels like college, thus it is essential to create a sound base from the start.

Areas that are Challenging

Algebra includes many fields of study, graphing being one of them . This could include charting a circle, graphing systems of linear equations , graphing inequalities or graphing quadratic equations. Some Other topic that is part of algebra has to do with exponents. This can range from subtracting exponents, dividing exponents or just using the laws of exponents. Rationalizing, factorizing, matrices, hyperbolas and quadratics all have to do with algebra.

It is commonly agreed that algebra is a challenging subject field. Even So, in today’s day and age that is not a trouble as virtually each pupil has access to a computer. A student can easily use online maths computer programs that instruct and test pupils. For practicing and enhancing skills, there are worksheets available in these software package. Online tutors are also available and are easy to reach. The charges can be based on number of hours or per module and this works as if the student and the tutor were face to face.

Getting Aid with Algebra

There are a large number of computer software packages that can help pupils. These programs provide step-by-step guides to help students through their difficulties. These computer software packages can aid you with your homework, test readiness and even exam preparation! As algebra has a wide number of sub-sections you can select software systems that relate to your specific difficulty or problem. This could be basic algebra, algebra 1, algebra 2 or just graphs. Some packages also include games and videos that could further develop your algebraic skills.

Algebra calculators are also available over the Net. They can help solve many types of algebraic questions. Mostly these will include questions that have to do with non-linear equations or linear inequalities. Different calculators allow you to construct graphs at the click of a button.

Though these packages and other aids can help many people solve a great number of problems, it is important that other resources are also used for further heightening your algebra skills. Using these facilities and cheating would only be a loss to yourself. It is better to use them to check the answers of your homework assignments rather than using them to complete the assignments.

Maqui Berry

Wednesday, July 22nd, 2009

Maqui Berry, a breakthrough dietary supplement in the amazing superfruit market place! Maqui Berry liquid product has the highest oxygen radical absorbance capacity of any noted superfood based capsuleproduct; with an oxygen radical absorbance capacity value 4 to 30 times higher than the average Acai, Goji Berry, Pomegranate, Noni and Mangosteen supplements.
Antioxidants remain the founding of good health and longevity. As we age, our cells continue to be affected by free radicals; our organs begin to degenerate and aging accelerates, states Dr. Ward Bond, television host of Nutritional Living. The body has built-in defense mechanisms to protect itself from free radical damage, but eventually, aging depletes the bodys ability to keep oxidants at bay. Maqui Berry is packed with antioxidants called anthocyanins and contains the greatest ORACvalues ever found among all berries or fruit. Maqui Berry is best in class for antioxidant products, the best recognized strategy for healthy aging, inhibiting free radical cells, strengthening the immune system and is a natural COX-2 inhibitor.
Maqui Berry, whose antioxidant value value is certified by Brunswick Laboratories, is one of the most power-packed with anthocyanins of all the fruits and berries for supplemental consumption. Anthocyanins are produced by plants for self-protection against sun, irradiation, diseases and biological enemies; maqui thrives in the harsh climate of central and southern Chile, necessitating the plants abundant anthocyanin production.
The native Mapuche Indians of the Patagonia region in South America have for centuries benefited from the unique medicinal and healthy aging benefits of the Maqui Berry. Annie Eng spent months with the Mapuches researching and working with them to harvest Maqui, then worked with researchers to confirm its antioxidant value content. After securing an exclusive distribution agreement in the United States, Eng initiated a socially responsible program that donates supplies and services for the education and healthcare of the Mapuche Indians, as well as programs to help protect the Mapuche native forest from further deforestation and industrialization.

Radiation Therapy Are Not Effective Mesothelioma Patients, though Gene Therapy Could Provide a Beneficial Treatment

Tuesday, July 7th, 2009

Doctors who specialize in cancer treatment decide what type of treatment to go with to every patient. The options are endless. There exists no regular treatment option for peritoneal 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.

Mesothelioma patients have historically had a bleak outlook, but doctors have recently made progress. Treatments for cancer are traditionally surgery (taking out the tumor and surrounding tissue), chemotherapy (poisoning cancerous cells) and radiation (killing cancer cells with radiation) All three 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. This surgery is extensive and it is not clear how much the patient benefits. 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. Similar to radiation, focus in research is focusing on treating the physical location of the tumor with emphasis on the pleural cavity.

The death rate for mesothelioma is so high that many of even the most sophisticated techniques in cancer treatment are tried out on patients. Such treatments include anti-angiogenesis drugs like thalidomide and biologic therapies agent interleukin 2. Pemetrexed (Alimta) is a new drug that has shown results in extending life.

Oncologists consider the stage of mesothelioma, the location of the tumor, the patient’s age and state of health at the time. Theres also photodynamic therapy and gene therapy ” two far-out new ways of attacking cancer. Mesothelioma patients sometimes become involved in clinical trials in this area, and see benefits.

Meaning of Algebra

Wednesday, May 27th, 2009

Algebra depicts relationships between things that change over time. These variables include matters like the relationship between supply of an a product and its price. Math is not an easy subject for almost all students. Many software applications are available with a variety of subject field intro so students of whatever intellectual level can find the way that works for him/her. These applications also serves students to comprehend usefulness of Algebra in real life as well as in industry arena. Greater functions employed in algebra include Graphing radical inequalities, Solving compound inequalities, Solving quadratic inequalities, Adding and Subtracting matrices etc.
Although algebra is an easy to follow course of study, students may face a lot of trouble if they do not practice the basic concepts hard enough. This makes fundamental math skills important to help students successfully advance from algebra and go on into higher math with self-assurance.

How to Succeed in Algebra

The algebra software on offer in the market today offer far more useful guidelines and help than what is included in formal textbooks, such as homework assistance, interactive lesson plans, 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.

The educational activity tools are always useful where methods like text , audio, animation, video and games are put in to use. Schools and colleges require that students complete algebra courses from pre-algebra to algebra II. Important topics in these courses are: Finding complement of an angle, inverse 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 math basics that are in use. For students, ease of use of the software is the number one concern. Thus, the software should be loaded with value added components like high quality and timely user assistance, enclosed help options, and easily laid out algebra tutorials.

Are You Algebraically Challenged?

Sunday, March 29th, 2009

What is Algebra?

Mathematics has long been one of the most horrifying subjects in American schools. Although children in other nations graduate with excellence in maths, many of the common high school age students in the United States scratch their heads when given questions about converting fractions to decimals, converting measures and units, resolving radical inequalities, or solving radical equations. It makes sense that this predicament is as broad as it is. Algebra consists of various complex mathematical equations that it is easy for a student to get lost when expected to explain synthetic division or adding fractions . For that matter, letters are heavily used for replacing the numbers when it comes to algebra. While this isn’t highly complex in and of itself, it brings itself poorly to the ‘jump in and play’ aspect of some math. Put simply, the ability to execute a particular algebraic task is based on the person already knowing a task that preceded it. This is to say that Algebra is a procedure that expects mastery of each step in order to progress. A student can’t hope for finding square root radicals and roots when he or she has not mastered proportions and ratios, or converting measures and units.

Technological Breakthroughs:

While this is not a recent development, it seems that mathematics grades have slipped even further in recent years. This possibly caused by many causes, but no answer will come out as a result of blame game. There have been only a fistful of external aid available for children to enhance mathematics skills when out of the classroom. What little software or program there was, more geared towards assisting younger children grasp the concepts of arithmetic. Fortunately, the market for such a product has coincided with the technology essential, providing an influx of ‘algebra software‘ or ‘algebra solver‘ programs that allow the mastery of algebra to anyone who is equipped with standard computer knowledge.

Algebra Software Programs:

These algebra calculators vary depending on the brand and the program. Some may offer such abilities as graphing a circle, or solving simultaneous equations, but may not have the programming essential for resolving exponential equations or adding exponents . The users are advised to evaluate the algebra software upon purchase, although nearly all the computer software promote their features. The best bet for anybody who is interested in computer aid for subtracting rational expressions or converting decimals to fractions; basically, whatever particular requirement you would have, is to consult the cyberspace and research the product in question.

Worldwide Glaciers Are Melting at a Dire Rate

Wednesday, February 25th, 2009

Glaciers are receding at a speedier rate than at any decade since records began, reports The Express. Scientists from the World Glacier Monitoring Service, which records 27 glaciers across 11 mountain ranges, approximate that from 1850 to 1971 glaciers receded at a net average rate of 31 centimetres a year. In between 1968 and 2001 the amount retreating jumped to 55 – 95 centimeters a yr. Since then the norm has constituted more than 1m a yr. Last winter witnessed the biggest reductions up until now of 1.3 m.

Worldwide glaciers are disappearing at least as fast as the glaciers in this representative group with possibly disastrous results for close by residents. In the short term there will be many more floodings, and in the future, rivers will run out, resulting in critical water dearths.

Chamonix village, with its big count of glaciers, the results of climate change and the receding of glaciers could be keenly felt. This is perhaps why numerous firms, and families are more knowledgeable of the events and are therefore attempting to undertake steps to restrain their carbon output. Hopefully it’s not too tardy to stay the upshots of global climate change and ensure an environment for our youngsters. So think about how you travel when you go to your ski accommodations.