Portable Solar Panels - The Beginner's Guide to Understanding Solar Energy

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It is now possible to power your favorite gadgets and gizmos using the power of the Sun. Portable solar panels attached to your favorite devices make it easier than ever to power up on the go. But you may be wondering what exactly are portable sun catchers and how are they different than roof mounted solar panels? Learn what they are and if they are right for your lifestyle.

So What Exactly Are These Portable Solar Panels?

Well, you can think of them as little receptors, housed on your favorite gear, waiting to take in the sun's rays. When the sun's rays do hit the little cells that make up the panels, they get excited. Like a little kid in the summer, the cells' think,"The sun is out. Time to play". These cells are formally known as photovoltaic cells; photovoltaic means using light to get electricity. The cells are made up of silicon(the same material that is used in many electronics, including computers, to conduct electricity). When the sun hits the silicon, electrons break away from the cell and move in one direction towards the metal contacts of the cell. Think of it as a race to see who can light up first. The initial voltage of the cell, in combination with the current(contact) of the electrons, causes power and thus electricity to be created.

Solar Problems...Don't Worry

With this explanation, you probably see several problems right away with solar panels. How many electrons are released when the sun shines? How many contacts with metal before the cells wear out? Won't the elements(weather) affect these cells? All great questions and here are the answers. The number of electrons released from each cell depends on a number of factors. The quality of silicon used in the cell, the amount of sun hitting the electrons, and the other materials used in the making of the solar panel all affect the amount of electrons released at any given time. Better design and materials are being used to increase the efficiency of electron movement.

The lifetime of individual cells again depends on materials used and sun exposure. Unfortunately the time period varies so widely that solar panel technology has been hampered by a lack of consistent quality in large scale solar panel farms. Not too worry though, your portable solar panels on your devices will be high quality because there are fewer of them. The elements do affect the cells and that is why they are encased in glass to lessen the effects of rain and wind. Anti-reflective coating helps to mitigate the effects of heat as well.

These portable solar devices use much smaller panels obviously, so they store less than their roof mounted counterparts. But who really wants to carry around a roof panel that usually measures 10 square feet and weighs on average 30 pounds? The portable ones also seem to be able to handle more wear and tear because they are able to be bent and beaten up.

Is Solar Right for You?

Since solar panels rely on the sun, living in a region with constant sunshine is an advantage. There are ways to store solar energy in batteries(these techniques are expensive and outside of the scope of this explanation). Until the cost of storing solar energy goes down, your best bet for living in a minimal sun environment is to get a portable solar powered device. It does not require much energy and you can easily refill it(even with nominal sunlight). So if this solar energy idea sounds good to you, then you will be amazed at what an entire solar panel system can do for your energy needs. Stay tuned for more on that.

James A. Greene is the publisher of portablesolarpanels.info where you can learn everything you need to know about portable solar panels.

If you are still unclear, check out what is a portable solar panel system?

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Why You Shouldn't Buy a Train Set

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Traditionally most model railroaders get their start in the hobby by purchasing a complete train set. This is not the only solution and often it is not necessarily the best.

If you are still at the beginning of your journey into the world of model railroading, and you have not yet bought a train set, you should look into the possibility of creating your own set. If you choose to build your layout in either HO or N scale you will be able to benefit from the great selection of product available.

Take the time to browse through several well-stocked hobby shops in order to get some ideas. The opportunity to view not only the trains from different eras and livery, but also structures and detail items, will help you to decide on which specific railroad, era and location you will focus. Be sure to discuss your interests with knowledgeable store staff as well as other hobbyists to gather more ideas and guidance.

Your first consideration should be the locomotive. By all means you should purchase the best one you can afford. If necessary, you can reduce the number of cars and hold off on buying too many structures initially.

For a starting track layout, purchase enough sectional or flex track to allow you to build an oval of track with a couple of turnouts. Choose nickel silver track in preference to brass. While both will oxidize and cause connectivity problems, the nickel silver will have better conductivity when corroded and will allow your train to run better.

You can experiment with additional track sections to find a pleasing and functional layout. If you lay your track with combination track-roadbed products you can try various arrangements without having to nail the track in place.

A finishing touch will be a reliable power pack and you will be ready to roll.

If you instead decide to stick with a pre-packaged train set, it is essential to buy the best quality. Steer clear of the low-priced train sets prevalent in toy stores and the discount chains. These sets tend to have poor-quality locomotives, the power packs are not reliable, and most sets come with brass track. Some sets try to impress you with lots of accessories - buildings, trees, telephone poles, and so on - but all these are available separately.

James Doan is the proprietor of Mr. Kipling's Workshop. Visit this informative portal into the fascinating hobby of scale modelling. Host to the local club, Orangeville Scale Modellers, the website offers articles on modelling, and a forum for visitors to participate in the exchange of information.

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What Is a Normal Blood Pressure? Don't Be Out Of That Range, Or Else

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When blood pressure is measured we need to take into account 2 measurements. The first one is called Systolic Blood Pressure and the second one is Diastolic Blood Pressure.
Systolic Blood Pressure is taken when the heart is pumping out blood, and Diastolic is taken between heartbeats, when the heart is resting.

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There is a device called Sphygmomanometer which is used to measure blood pressure. You might be familiar with this device; it's the inflatable arm cuff that comes with a little air pump. You might also be able to see some station to measure your blood pressure in some supermarkets. So you can easily keep an eye on your pressure and take action if your levels are not what's considered normal.

When we read the results that this device gives us, the Systolic pressure is the number on the top or left side of the reading; being the Diastolic pressure the number on the bottom or right side.

Let's see an example: If you have a blood pressure of 120/72 (you read it as 120 over 72), that means that you have a Systolic Pressure of 112 and a Diastolic Pressure of 72. These two levels of blood pressure are both very important and you need to keep them at a healthy level.

So, what is a normal blood pressure? Experts would say that a blood pressure of 119/79 is the healthiest level for an adult and every adult should try to keep that level. A blood pressure between 120/80 and 129/84 is considered normal. Between 130/85 and 139/89 is considered a high-normal blood pressure and, when you reach a level of 140/90 or higher, you need to pay close attention because that's consider a high blood pressure.

It's recommended to check your blood pressure after you get up from sleeping and walk around for a few hours, this way you can get a better reading than when taken right away in the morning. Of course, you should not check your pressure after intense physical activities because the results won't show a normal level. One more important thing is not to drink anything that contains caffeine or alcohol, and not to smoke for at least 30 minutes before the checking.

During the day, it's natural if your blood pressure fluctuates somewhat. There are many activities that we do everyday that can make our blood pressure go up. Sometimes our pressure changes if we do some physical activity like intensive weight lifting training, sometimes the way we feel mentally can increase our blood pressure even the food we eat is another factor we can consider as a trigger for increments in our blood pressure levels.

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Seafood and Men's Heart Health

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How do omega-3 fats protect your heart?

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How is Seafood and Men's Heart Health

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There is a wide range of heart health benefits associated with omega-3 fatty acids found in fish. Some of these benefits include:

- improved blood triglyceride levels

- maintenance of a healthy heart rate

- improved vascular function by maintaining the flexibility of blood vessels

- an anti-inflammatory effect

A 2009 Danish study has uncovered a new heart health benefit from dietary intake of omega-3 fats in men - a reduced risk of acute coronary syndrome (ACS). ACS is an umbrella term for a range of disorders and symptoms including unstable angina and chest pains.

Did you know?

There is a wide range of heart health benefits associated with omega-3 fatty acids found in fish, including improved blood fats, improved flexibility of your veins and arteries, and maintenance of a healthy heart rate.

The research

The 7.6 year study found that an increased intake of omega-3 fatty acids of more than 400 mg daily reduced the risk of some heart conditions in healthy men by 15%. See below for nutritional guidelines on how to achieve this amount.

The research also discovered that above 400 mg daily there was no dose-response relationship between consumption of omega-3 fats and ACS. In other words, a higher fish intake was not associated with further risk reduction.

The three types of omega-3 fats that were examined in the study included eicosapentaenoic acid (EPA), docosapentaenoic acid (DPA), and docosahexaenoic acid (DHA).

Another 2009 study published in the European Heart Journal on over 39,000 Swedish men found that consumption of omega-3 fats from fish was associated with lower rates of heart failure. Moderate consumption was described as eating fish rich in omega-3 fats 1-2 times a week. The researchers also found that there was no additional benefits from a higher intake of fish.

Did you know?

Research has shown that men with a moderate consumption of omega-3 fats from fish have a lower rate of heart failure.
Practical tips on getting more omega-3 fats

Research has established that eating fish high in omega-3 fats once or twice a week has distinct heart health benefits for men. But beyond the health benefits, fish and seafood is a tasty addition to your diet - here are some tips:

Dinner - Eat a serving (at least 100 g) of cold water fish 1-2 times a week

Sandwiches - Use canned fish on a sandwich 1-2 times a week

Salads - Use canned fish in a salad 1-2 times a week

Lunch - Eat other types of seafood, such as prawns, octopus, squid, muscles and oysters, 1-2 times a week,

Don't negate the benefits - avoid eating fried, battered or crumbed seafood

Did you know?

To get enough omega-3 fats in your diet, eat fish 1-2 times per week, and use canned fish on sandwiches or in salads occasionally.

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HBA1C Test - Hemoglobin A1C Diabetes Test

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The term HB refers to hemoglobin which is a protein found in the blood; it is responsible for the red coloration of blood; its main purpose is to carry oxygen and carbon dioxide to and from the cells. Hemoglobin is further classified as 'A' meaning adult type and this is further isolated chemically to give rise to A1C, plus a few others like A1A1 etc. It is therefore; the small component of hemoglobin A1C in which glucose is bound and it is the behavior of this narrow portion that becomes of interest in the above test.

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How is HBA1C Test - Hemoglobin A1C Diabetes Test

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The natural lifeline of a red blood cell is 120 days and its behavior during this period is of great importance to the medical practitioners; how much glucose it is carrying is crucial; thus the test is specific - monitoring how much it has locked itself with for quite a long period 2 to 3 months or more. The higher the glucose content, the higher the level of HBA1C; patients with clinical symptoms especially diabetic cases are advised to trim the level to 6% or less of HBA1C in their blood through all means including dieting. No one is perfect though, to strictly listen to advice even to delay symptoms; by reducing to 7% is at times a hill climb task because of lifestyle and eating habits that the fast world has brought to our doorsteps. Because of this; damage of organs gets out of hand at a flash when this is combined with pressure, age, alcohol and smoking plus of course the sedentary life many lead. Let's not forget the test also - HBA1C - helps determine management plans for diabetics and non diabetic; be it in dieting, medication etc in children or adults.

This diagnostic test, is rather complicated and demands hyper investment on the part of a medical practitioner or laboratory unit. It is no mean game to draw blood and expect rudimentary tools to give good results. Here we talk of high pressure liquid chromatography, where the charged molecule of HBA1C is separated and determined. The blood components separation process is all machine done; resulting in the isolation of these molecules. It is the process of high pressure liquid chromatography that is employed in separating all blood components and isolating the case of our interest - HBA1C. Other special liquids too are added while passing through columns that separates the mixture into specific detachable molecules. It is at this juncture, that HBA1C is identified and tested for glucose. After all it does not get affected in any way by the daily amount of glucose in the blood.

The test is neat and accurate, if not for other medical conditions a patient might be suffering from, which end up increasing or decreasing the quantity of HBA1C. This being an impediment everything should be considered to avoid false reporting. The common identifiable hindrances that bring about poor reporting are kidney failure or high alcohol consumption both bring about high molecules if HBA1C - while any trigger resulting in loss of blood brings about the inverse. As a matter of principle, this test is the main precursor to all other body organ review tests and the knowledge brought about by good results, will shut off other troubles that set in if ignored like loss of sight, kidney failure, immune breakdown etc.

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Diabetes Blood Sugar Charts and Tips to perform normal Blood Sugar Ranges

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Monitoring blood sugar level is needful for the medicine of diabetes. This has to be done on regular basis. There are many ways of monitoring the blood glucose level. One of the most used one is a diabetes blood glucose level chart.

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How is Diabetes Blood Sugar Charts and Tips to perform normal Blood Sugar Ranges

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The main source of vigor for the body is glucose. Without allowable furnish of glucose the body is like a car without petrol. If you are also suffering from diabetes then following reading would be of great help to you in monitoring diabetes.

Blood Sugar Level Charts help to detect the pattern of glucose level readings. With the duct of time and after repeatedly filling the chart the pattern of the glucose readings come to be clearer. This will help to know the reaction of the body towards dissimilar food groups, corporeal activities, diabetic medications, insulin type, sleep, relaxing technique and stress level.

It is good to discuss completely the sugar level in blood with your health care supplier or endocronologist. Your health care supplier can recommend you good options of diabetic testing supplies ready in the health care market.

Normal blood sugar Ranges: It is good to have the knowledge of the optimal level of sugar in blood at various times that are recommended by American Diabetes Association. These authorities keep on rechecking and readjusting these levels agreeing to the latest researches

In the morning before getting up the blood sugar level must be not less than 80 mg/dl and not more than 120 mg/dl After 2 hours of taking big meals the level should be not more than 170 mg/dl Again just before lunch the level of sugar in blood drops in the range of 80 to 120 mg/dl Just before sleeping the level of blood sugar must not be more than 140 mg/dl but not less than 100 mg/dl At nearby 3 in the midnight the level should be not more than 110 mg/dl but not less than 70 mg/dl Again while the fast the level of sugar in blood must be in the middle of 70 mg/dl and 100 mg/dl

The blood sugar levels attained at various times must be filled on the chart. It is good to take this chart to the doctor; as it will enable him to good understand the pattern of the blood glucose readings. The frequent testing of glucose in the blood helps the man to eliminate or at least reduce the chances of health linked complications.

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How Does High Cholesterol Affect Body Systems? - Lower Cholesterol Tips

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How does high cholesterol affect body systems? Cholesterol in and of itself, is a natural function of the human body. Every living being requires a certain amount of fat to exist to overall health and maintain body function. Like everything in nature, it only becomes a problem when there is an imbalance, and they affect to your body systems.

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How does high cholesterol affect body systems? High levels of bad cholesterol in your blood stream may even prevent arteries from functioning at all, since cholesterol can actually lead to blockages in your arteries.

To understand how does high cholesterol affect body system, we must learn what is arteries and how does they can be affect by cholesterol? The job of your arteries is to pump blood. Each body system has arteries which are responsible for providing the oxygen rich blood that keeps us alive.

In a healthy person, as the heart beats, the arteries expand and are filled with blood. The heart relaxes and produces enough force to push the blood through. This system works effectively and the blood can carry oxygen and other essentials throughout the body.

High cholesterol levels fill the arteries with fatty deposits, thick substances that prevent your body from working well and this becomes a dangerous obstacle to good health. Your heart becomes starved of required blood. If this happens often enough you can suffer a heart attack or a stroke.

The main cause behind heart disease is this thickening of the fatty deposits in the arteries, and the main reason behind the blocking of arteries is high levels of bad cholesterol. This means that if you want to prevent heart disease, heart attacks, and strokes, you need to keep your cholesterol levels in a healthy range. No matter what your current health, eating a better diet and getting exercise can help keep you healthy.

Now, we have known how does high cholesterol affect body systems? So consider about this matter: Heart disease is one of the leading killers in the world. Lowering your cholesterol levels through a heart-healthy diet and exercise regimen is one of the best ways to prevent heart disease. Lowering cholesterol is actually quite simple, and doesn't require surgery or drugs with healthy lifestyle, lowering your cholesterol is easy since it helps normalize your cholesterol, naturally, safely and enjoy a better and possibly longer life. Read more : Lowering Cholesterol Naturally

(c) 2007 - Lower Cholesterol Center

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