Posts Tagged ‘science’

Directing Some Lights Towards The Solar Panel Technology Choice

August 27th, 2010

Without a doubt, solar technology will be the wave of the foreseeable future. Solar power production is surely an extremely easy process to comprehend. The solar, or photo voltaic, cell gathers power coming from the sun. A solar cell is really a semiconductor unit which is constructed using photo voltaic components. It includes no essential fluids or chemical substances, and no moving portions. Pv cells transform sunlight straight into electrical energy.

The solar panel commonly includes a group of individual cells, that are sustained by a system that allows the individual cells to operate together. The energy that is captured with the solar panel is usually stored in a battery. Solar panel products create direct current (DC) electricity. Numerous solar panel technology systems come with inverters within them which in turn will allow for direct current (DC) electrical energy to be transformed into alternating electric current (AC). Nearly all consumer products including appliances as well as electronic devices run on Alternating current.

Unless of course you have a huge field of property to house a large selection of solar power panels, it really is extremely unlikely that you will be able to power your entire house by using solar power. Nonetheless, it is possible to power one particular room at your house using a little assortment of solar panels mounted to the roof of your home. Simply multiply the particular wattage of each particular electrical gadget by the number of hours you plan to make use of them on a daily basis. That combined number will be your goal, or maybe the bare minimum your solar system needs to be able to generate.

There are a variety of possibilities to individuals who are looking at changing over to solar panel technology. A common set up that can be used to power your personal computer and a few various other smaller things are offered for about $1000.00. Needless to say, the cost increases depending on the actual generating capability of your structure. In many regions, the price of a set up structure costs somewhere within the area of $10.00-$12.00 per watt.

Solar Energy is just one of a handful of genuinely environmentally friendly solutions that can be used when it comes to electricity as well as power generating. Every single hour of each and every day, the sun blankets our world with more than enough strength to be able to maintain our global energy requirements for a calendar year. When the technological know-how powering solar power advances, people are going to be unable to resist the impulse to switch.

Plenty of resources are now being dedicated to the actual continuing development of solar energy technology. A lot of the main oil and energy organizations currently have entire sections dedicated to solar technology. Research workers and technicians are spending countless hours attempting to cultivate the technological innovation right now that may greatly improve conditions on the planet tomorrow. It is no hidden secret that individuals cannot continue on down the path we are on. Classic fuels shall no longer be any kind of viable choice with regard to power production.

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Hybrid Electric Engines: Some Information

August 14th, 2010

Have you ever wondered about hybrid cars? They definitely look stylish and modern, but what is it about them that makes them so different and so extraordinary? After all, most cars look the same these days, do they not? They are all designed by computer to be aerodynamic and aerodynamic is aerodynamic, so they all end up looking impossible to tell apart to anyone who is not an enthusiast.

Well, the fact is that the distinction between a hybrid car and a standard car lies under the bonnet. There are different kinds of hybrid vehicles as well, but the most widespread kind has a hybrid electric engine. Therefore, you could say that what makes hybrid cars different from most other, normal cars is their engine.

Or engines really, because hybrid electric cars basically have two engines. One, the internal combustion engine, runs on petrol, LPG or diesel and the other, the electric motor, runs off electricity stored in an array of powerful batteries. On the other hand, ordinary cars only have an internal combustion engine. It is a good idea to examine these two types of engine separately.

First of all the electric motor. Electrical energy is generated by several components on the car and stored in a large bank or array of powerful batteries. The electricity is created by the turning of the internal combustion engine, just as with a standard car, when it is in use, but also by the wheels or / and the car’s braking system. Different models have different methods of generating this electricity, but they are all very hi-tech and very efficient.

When the car’s internal computers decide that the car no longer needs the strength of the internal combustion engine, it will turn it off and switch to the electric motor instead. The conditions where this might happen are, for example, when you are driving slowly in inner-city traffic, when you are cruising at moderate speed on a flat road or when you are going down hill. This saves a considerable amount of fuel, which is clearly a great saving to you.

However, there are occasions when you need more power than the batteries can supply you, for example, when accelerating hard, when overtaking or when climbing a hill. At times such as these, the electric motor will close down and the combustion engine will take over and start supplying power to the accelerator and electricity to the batteries. When the need for extra power has passed, the batteries will take over again.

These choices are all taken by the hybrid electric vehicle’s (HEV’s) on board computer system and you will not notice much other that a rush of power or a quietening of the propulsion system. This works very well in most scenarios, but some drivers of HEV’s would like to have a manual override for abnormal circumstances, such as an undulating terrain.

All in all, cars with hybrid electric engines work very well at reducing fuel bills but they are still too expensive to be much more than a gimmicky toy and a salve to the conscience for the well-to-do.

Owen Jones, the writer of this article writes on a lot of subjects, but is currently concerned with hybrid electric engines. If you would like to know more or check out some great offers, please go to our website at New Hybrid Vehicles.

Calendars And How To Appreciate Them

July 26th, 2010

The calendar is such a commonplace, everyday item, but how much do you really know about the operation of it. Why is it like that?

A DAY: The Earth rotates at a reasonably fixed pace about the imaginary line running between the North and South Poles named the Earth’s Axis. The time it takes to spin once is called a ‘rotation’ and this takes just under twenty-four hours. Nevertheless, because the Earth is constantly traveling around the Sun, the exact time from noon one day to noon the next is 3 minutes 56 seconds longer and this makes a day almost exactly twenty-four hours in length.

The actual time from noon to noon differs depending where the Earth is on its celestial course around the Sun, but if you average the days in a year out, it comes to precisely twenty-four hours.

A YEAR: All nine planets in our solar system move around the Sun in approximately perfectly circular routes called orbits. Each trip around the Sun is called a revolution and all the planets orbit around the Sun in the same direction. The course the Earth takes can be verified by noting its location against the background stars.

Since you cannot see the Sun and the stars at the same time, it is obligatory to note the location of the Sun in the morning and the see which stars appear there in the night. You will see that the Sun appears to pass through the twelve constellations of the zodiac during a year.

Earth’s journey around the Sun, which seems like the Sun travelling through the zodiac takes about 365.25 days. This is different from year to year, so astronomers add or delete a second in some years to keep their time accurate with the Earth’s motion.

THE SEASONS: The seasons indicate the variation in the pattern of daylight over the course of a year. Because the Earth is tilted off centre, different parts of it get different amounts of sunlight on different stages of its path around the Sun, a path that we call a year. So, between about the 21st September and late March, the Earth’s Northern Hemisphere is tilted away from the Sun, which creates Autumn and Winter, giving less than twelve hours of daylight per day.

From April to the 20th September, the Northern Hemisphere receives more than twelve hours of daylight a day, producing Spring and Summer. The exact opposite occurs in the Southern Hemisphere.

The Equinoxes occur at the points in the year when there is exactly twelve hours of sunlight and darkness in the day. So, the vernal or Spring equinox is on or around the 21st March and the autumnal equinox is on or around the 21st September. Summer officially begins on the day with the greatest amount of daylight, the 21st June or summer solstice.

The winter solstice occurs on the shortest day, the 21st December. ‘Solstice’ is a combination of two words meaning ’sun standing still’ and the days are so called because they are the days when the apparent movement of the Sun reaches its limits and reverses course again.

Owen Jones, the author of this piece, writes on many topics, but is currently involved with researching Franklin planner pages. If you have an interest in calendars, organizers or promotional calendars, please go over to our web site now at Promotional Desk Calendars

Calendars – Why They Can Be Slightly Out

July 16th, 2010

Thousands of years ago, ancient Greek astronomers calculated that the track of the Earth’s axis is constantly, even if in a very slow way, shifting in a uniform pattern. The change is very similar to the manner a spinning top slowly leans one way and then another as it slows down. It is a wobble that occurs as its axis changes direction.

This peculiar movement of the planet is owing to a couple of factors, the most significant of which is something called ‘precession’. Precession arises from the fact that the Earth is not a perfect sphere. It is in fact about twenty-seven miles longer around the Equator that it is about the Poles. The Earth then is oblate, or fat around the middle like middle-aged spread, but it is due to the spinning not to its age.

If you picture the Earth with its Poles off centre. Then rotate that image and you will find that any point, except the very centre of the axis, will travel in a circle. But very, very gradually. So slowly that it takes 26,000 years to go full circle and get back to where it started from.

This point then, any point you choose, is very gradually shifting its position in relation to the stars because the axis is rotating too. The result of this is that, what we call the North Star (formally known as Polaris, which is in fact one degree off true North) will not be over our North Pole one day. In fact, by about 15,000 AD, Vega will be almost over the North Pole, although it will be about four degrees off true North. But even this will not endure, and by 28,000 AD, Polaris will be back above where it is nowadays.

One of the effects of the precession is that seasons change. They modify the dates that they take place, so that Summer could come earlier or later. The amazing thing about our calendar is that it is corrected for that (with the leap year). If it were not, the vernal or Spring equinox would move over 13,000 years from March 21st to September 21st., which is the date of the autumnal equinox, precisely half a year later.

It is for this reason that the precession of the Earth is generally referred to as the “Precession of the Equinoxes”. Although the precession of the equinoxes is very slow, it can be readily observed. The correct year of 325.25 days is the length of time from one vernal equinox to the next vernal equinox, however, it takes 20 minutes and 24 seconds longer for the Sun to appear in precisely the same place with relation to the stars behind it over the same period. This is why accurate star maps have to be stamped with the exact time and date to which they refer.

Owen Jones, the writer of this article, writes on many subjects, but is currently involved with researching Franklin planner pages. If you have an interest in calendars, organizers or promotional calendars, please go over to our website now at Promotional Desk Calendars

Hybrid Cars And The Energy Crisis

June 8th, 2010

It is said that not enough people are doing enough to struggle against the energy crisis. Hybrid cars can help, but probably not enough people are driving them. Here are a few issues related to the energy crisis and how hybrid cars can help.

The U.S. isn’t doing enough really. The United States consumes more fossil fuels than any other country in the world. However, most people think that all of our energy problems can be solved if we would only look further into the oil deposits in Alaska or if we made full use of the recent discovery of oil in the Gulf of Mexico.

Hybrid cars can result in us not having to use other sources of energy to keep the economy afloat. Hybrid cars won’t cause Americans to use more fossil fuel. Instead, hybrid cars make Americans use less fossil fuel.

Energy consumers just accept increasing fuel prices. People used to be concerned that fuel prices are much higher now than they were years ago. Now, however, people just accept the higher prices. In the meantime, cars are getting bigger and bigger. Car manufacturers are making trucks and SUV’s, which consume more gas at the higher prices.

These vehicles use more fuel, but you wouldn’t believe how many people just won’t give up their gas-guzzling SUV. Hybrid cars do end up costing people less to own than conventional cars do. So there’s no need to worry about just settling for being swindled by the oil companies.

Soon there could be an end to the “cheap oil period”. Soon, we could all be in over our heads, because not only will we have an energy crisis, but a peak oil crisis as well. During the peak oil crisis, there will be gas shortages and natural gas shortages too. The major countries will need to compete against each another for whatever fuel remains.

Therefore, everyone could have some problems, and countries may have to fight for who gets oil and who does not. The peak fuel crisis can be put off, if more people just drove hybrid cars. Hybrid cars ensure that people are not always having to be looking for oil. Additionally, there are advances being made to hybrid vehicles all the time.

The plug-in hybrid cars, for example, might not even need oil whatsoever one day. So, just in case we do have an energy crisis, Americans ought really to be spending the time to finding a solution to the impending oil crisis in America. Hybrid cars are the way to beat the energy crisis, and if countries still want to fight each other over fuel, at least America will know they tried to slow the impending crisis by buying hybrid vehicles.

So, that’s it then. America’s mass adoption of hybrid vehicles would make it so that Americans use less petrol. But Americans also have yet to profit from the large amount of money being made from the manufacture of hybrid vehicles. The majority of popular hybrid cars come from Japan. Therefore, Americans need to attract that money back into the country by making hybrids at home and do something about the current energy crisis at the same time.

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Learn How To Study Correctly

May 31st, 2010

Any of you who have taken a class like anatomy, or chemistry, know how hard it is. I started taking these classes when I was an underclassmen in college. It has hard for me to balance school, with my social life, and my sport. It seemed like every other class was easy for me to study for, except for anatomy. My roommates were also in this class with me, but they all studied differently than I did. We then decided to put all of your studying techniques together to make the ultimate study plan for any challenging class.

Step One:

Find a study group. My roommates and I studied together, and it worked! If you have people to study with it will help. Using the study guide as a tool to divide up amongst your group will help a lot, encause then one person doesn’t have to spend all their time filling out the who study guide. The faster you can get the study guide done, the quicker you will be able to move onto actually learning the material.

Step Two:

Be organized. This is the most important part when trying to study for a test, especially if its classes such as anatomy or chemistry. Once you have finished the study guide and know what is on the test, organize your notes into chapter by chapter order. Separately take down and re-write the important notes. If you keep writing down the notes over and over again it will help you apply what you have learned by doing something other than looking at the paper for hours.

Third:

Study diagrams and pictures. If you are in a class teaching you about the human body it is key that you understand where certain functions are taking place. Learn the diagrams and the pictures, this way when you reach that point in your notes you will already know the anatomy of where that certain function is taking place.

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Apocalyptic Dates Coming Soon

May 31st, 2010

Predicting the end of the world has probably been going on since man started thinking, whenever that was. It is warned about in Revelations in the Bible, so that must be about 2,000 years ago.

Nonetheless, it is the predictions of Nostradamus that are the most well-known and most abundant. Some biographical accounts of Nostradamus’ life assert that he was terrified of being persecuted for heresy by the Inquisition, although neither prophecy nor astrology fell under their jurisdiction. He would have been in danger only if he had used magic to support his prophesies.

In fact, his contact with the Church as a prophet and a healer were always very good. His short imprisonment at Marignane in late 1561 came about purely because he had published his 1562 Almanac without the prior permission of a bishop, contravening a recent royal decree.

Here then are a couple of the prophesies of the ending of the world and the annihilation of mankind.

December 21st, 22nd or 23rd 2012 are all possible dates for the ending of the world according to the ancient Mayan Calendar.

2012 has been determined by some to be the first potential date for the passing by of Planet X (Wormwood) and the demise of the world, as mentioned in Revelations, although this is fervently debated by Biblical experts and astronomers alike.

2012 is also the year given by Nostradamus as the likely end. He gave three possible years for the apocalypse: 1994 and 1998 so this is his last opportunity to be correct.

2010 is the year so says the Hermetic Order of Golden Dawn.

In 1143 St Malachy prophesied that there would be only another 112 more Popes. The current Pope Benedict is the 111th. He also predicted that the final Pope would be known as Peter of Rome, so we will have to wait and see for this one.

2017 is the year specified to the Sword of God Brotherhood by the Angel Gabriel.

November 13th 2026 is the date according to a 1960 copy of ‘Science’ magazine. The writer said that this would be the day that the planet’s human population would ‘reach infinity’.

2033 is held by many to be the 2000th anniversary of the crucifixion of Christ and a potential date for his return, which would signal the demise of our Earthly times.

4,500,000,000 AD is the approximate date at which the Sun is due to explode and in so doing, destroy the inner solar system including our World. Nobody knows, but unless we wipe out ourselves first, this latter date is probably the most accurate and scientific date for the destruction of the planet.

Owen Jones, the author of this article, writes on many subjects, but is currently involved with custom wall calendars If you have an interest in calendars, organizers or promotional calendars, please go over to our website now at Promotional Desk Calendars

Electric Hybrid Vehicles

May 14th, 2010

People use different modes of travel. Among these is the choice of the electric hybrid car. The various makes of electric hybrid car allow people the choice of having a stylish looking vehicle which at the same time conserves gas.

Furthermore, the environment benefits from less pollution from these electric hybrid cars. The types of hybrid cars which you will see included in the range of electric hybrid cars will be the popular SUVs, sports cars and pick-up trucks. You will be able to see those latest electric hybrid cars which are due to come on to the market. As there are many makes of electric hybrid cars you should look to see whether there are any performance reviews available.

This knowledge will help guide you when you are trying to make up your mind about which electric hybrid car to choose. You will need to understand that some of the electric hybrid cars will not be that easy to repair or have their parts replaced. This is one factor that you should keep in mind while you are shopping for the electric hybrid car that suits you.

Sure, there will be some times when you will not be able to find the exact make of electric hybrid car that you require. In order to diminish this possibility, make a list of several different models of electric hybrid car. Tip: include some of the best known electric hybrid car models.

You may also want to make a list of the most important qualities that you are looking for from an electric hybrid car. Don’t forget that you should visit the car showrooms to inspect the electric hybrid car of your dreams, since I’m sure you would appreciate seeing what sort of hybrid cars are available before you purchase one.

As there will be times when you will not be able to get hold of the details of all of the electric hybrid cars on the market, you should find some other way of getting this information. Of the different ways that you can look up the many models of electric hybrid car, the Internet can provide you with pictures, specifications, descriptions and reviews of the different makes of electric hybrid car. For example, you can access the information for the current batch of hybrid Honda cars or the previous models too. Among the many details that you can find are: the number of seats and the safety and engine specifications of these hybrid cars.

There are, as I’m sure you already know, many different types of hybrid car on the market. These will, for the most part, be from well-known car ,manufacturers. You will find that Honda which is a world-famous manufacturer of cars employing modern technology also has their version of a hybrid car. One of their hybrid cars that is very popular with the public is the electric hybrid car.

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Home Schooling and Computer Learning

April 17th, 2010

There is a computer in almost every household in the West these days and the rest of the world is catching up very quickly. So, it is very important for you to have one at home too, because of the many benefits it can bring especially if you have an Internet connection. Nowadays, you must have some computer experience, if you want even a half-decent job, so learning computers must start at school. You and your child can have a interesting educational experience with a computer at home. Children of today must learn about this extremely important instrument from the earliest possible age and one of the best ways to achieve that is through home schooling computer programs.

Currently, even kindergarten children are being taught how to use computers and their associated peripherals. If you choose for home schooling, you and your child will also spend most of your time making use of a computer and the Internet. Teaching your children can be much better when done online, because of the different resources available there. Your child will be provided with some of the best educational resources, from which he/she will benefit hugely not least because employment market trends today involve the Internet.

One of the largest minority groups that prefers to make use of home schooling is the African Americans because some see certain society issues and they can keep themselves abreast of their own heritage by home schooling. The parents of children from minority groups can assist their children learn more effectively by having an Internet connection at home. Children’s education can be more strongly encouraged by parents and they can also assist in improving the mindset of their children too. Parents can educate their children about their own particular heritage by means of the different online resources.

It is important to remember that home schooling only works if the parents are willing to support their children the whole works. They must also be committed and prepared for the challenges that they will encounter. The parents should look for a good computer program or book that can help their children learn about using computers. Frequently, the lessons are divided into several parts or series so that the children can learn them easily. Children have different learning abilities and since sometimes children are not given much chance in traditional schools, the use of computers is an ideal chance to bring out the best in them.

Home schooling is no longer new, so if you think that your child is not performing well in school, consult with his teachers and get some feedback about your child. The guidance counsellor can also help you to determine the best education for you child. Home schooling is already accepted and maybe it can assist your child to learn more in the comfort of your own home.

If you are prepared to commit yourself to home schooling, you will need to talk over the subject with your child. You could begin by asking your child about his performance in school and then bring up the subject of home schooling. See what your child thinks about the idea. Explain its benefits. You could say that computer learning will be easier. It’s better if you and your child both agree on home schooling, since you will have to work closely together. It might not be easy to persuade your child to give up traditional schooling, where he has all his friends, so you will have to spend time with him and get to know his/her interests. Explain that computer programs can help a lot in home schooling. Tell your child that he can learn more about his particular interest, if he knows how to use a computer.

So why not look for the most suitable home schooling computer program now? Talk to your friends, ask at the library, go online and do your research. There are lots of home schooling programs to choose from and it could take some weeks before you can find the right one.

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Christian Holy Days

April 11th, 2010

Christmas – is the celebration of Jesus’ birthday. Although the precise date of his birth is unknown, December 25th was probably selected because it coincided with a pagan mid-winter festival. The ‘Twelve Days Of Christmas” mark the days between Christmas and Epiphany (January 6th), which was the day of the wise men’s visit.

Easter – is the most important day in the Christian calendar, because it celebrates Christ’s Resurrection, which gave / gives Christians the hope of salvation and eternal life. Easter always falls on the first Sunday after the first full moon after the vernal (Spring) equinox, which is on 21st March.

Shrove Tuesday – (Mardi Gras or Fat Tuesday) was initially a day of penance, but is now marked by merrymaking. It is the day before the commencement of Lent.

Ash Wednesday – is derived from the marking of a cross on the forehead of believers with the ashes from the burnt palms used on Palm Sunday.

Lent – 40 days of penance and fasting

Palm Sunday – the Sunday before Easter, celebrates the arrival of Jesus at Jerusalem, where palms were laid on the road before him.

Maundy (Holy) Thursday – the day of the Last supper.

Good Friday – is the day of Christ’s crucifixion.

Holy Saturday – is the day before the Resurrection.

The Annunciation – March 25th is celebrated by Catholics as the day that Archangel Gabriel told Mary about her imminent pregnancy.

Trinity Sunday – is celebrated by some denominations in honour of The Father, The Son and The Holy Spirit. It was confirmed part of the holy calendar in 1334 by Pope John XII.

Corpus Christi – Catholics remembers the presence of the body of Christ on the Thursday after Trinity Sunday.

All Saints Day – this mainly Catholic remembrance is on November 1 and honours all Christian saints.

Advent – a religious season that starts on the Sunday nearest to November 30 and lasts until Christmas Day. It celebrates the birth of Jesus and anticipates his Second Coming. It was once a period of fasting, but now no longer.

Holy Days Of Obligation – are feast days in the Catholic calendar marked by attendance at mass and the avoidance of unnecessary work. There are six in the USA: Solemnity of Mary – January 1: Christ’s circumcision, ie his first shedding of blood Ascension – 40 days after Easter Assumption – August 15: Mary is accepted into Heaven All Saints’ Day – November 1 Mary’s Immaculate Conception – December 8 Christmas Day – December 25.

Owen Jones, the writer of this article, writes on many topics, but is currently involved with Franklin Covey planner refillss If you have an interest in calendars, organizers or promotional calendars, please go over to our website now at Promotional Desk Calendars