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Energy issues are so high-sounding nowadays. Although in Physics, energy is one quantity that is conserved and by conserved we mean that the “sum of all energies in the universe remains constant,” it is not the case with our daily lives. We are being told over and over again to conserve energy. This time, the term conserved here means another thing; it means “preserve”. We have to save energy or the sources of energy, so they say. Well, if the energy of the universe remains constant, then where did the rest of the energy go? In layman’s terms, most of the useful energy in the universe has now been transformed into not-so-useful energy. Not-so-useful energy example is thermal energy, which explains global warming. So in one way or another, it is right to say that we should conserve energy. One way to do that is to make use of the most abundant energy sources like the sun and the wind or by combining solar and wind power.
Combining solar and wind power is getting popular nowadays. Scientists and engineers see this as the future power source of the future. So while these energy sources are overflowing without anyone using it, why not make use of them now?
First, what is solar power? Solar power from the word solar, which means sun simply means power from the sun! The sun, which is the source of energy of everything here on earth, is one answer to energy problems. How does solar power work? Solar power is collected by solar power panels. This collected energy is then stored in a generator. Next time you need to use power, you can use it in a regular way.
The same goes for wind power. Wind power converts energy from the wind into other forms of energy like electricity by the use of turbines. Although wind power produces only about 1.5% of worldwide electricity production, it has been gaining a lot of popularity. In fact, between the years 2005 to 2008 the use of wind power has doubled.
These two abundant sources are also renewable and environment friendly. While getting all the energy needed to run your household appliances, you don’t have to worry about all the disadvantages they give to mother earth. These energy sources are clean, abundant, and renewable. Combining solar and wind power therefore, is very safe.
As the use of these two sources of energy gets popular day after day, you might be wondering who can use it or if you can use it. Anybody who can feel the heat of the sun above them and feel the gust of wind on their cheeks can use them, as in anybody here on earth. If you are living in a place where you can see the sun all day long, all throughout the year it is best to use solar power in your place. If you happen to live in North Carolina or somewhere really windy, you can utilize wind power. Or if these two sources are both abundant in your place, combining solar and wind power is best.
Only an infinitesimal amount of energy from the sun and wind are being used nowadays. Why not learn more about this? By combining solar and wind power, let us save energy today.
Sunday, August 8th, 2010 at 12:11 am
Maybe one of the most talked about issues today aside from politics is global warming. It is the term referring to the condition of the earth where its temperature has suddenly increased compared to the past. It has such an impact aside from our daily lives where we feel the sudden changes of weather. The ripening of fruits has been delayed resulting to the destruction of the ecosystem of some areas of the world and typhoons have been so destructive lately. The media has been telling us time and time again to conserve Mother Earth. One way to do that is to be “environment friendly” in all things that we do.
Environmentalists frown at different industries for their contribution to pollution. The use of fossil fuels is one huge contributor to pollution and to global warming. Scientists have long found alternative sources of energy; it’s just that we haven’t made use of these. Examples of earth-friendly energy sources are the wind and sun. Solar and wind power system might just be the answer to energy problems.
Let’s start with the sun. What is solar power and how does it work? The sun is ever present up there, abundantly gazing down at the earth and shining with its brilliance. The sun which provides all the energy that life on earth needs. Now, why don’t we trap all the energy from the heat of sun and store this for our use? That is how solar power works. The heat from the sun is trapped in solar panels or solar cells. This energy is then stored in a generator where it is now ready to be used just like any regular power source. The sun produces 1000 watts of energy per square meter of our earth’s surface. Imagine all that energy! If we could collect all that, we could power our homes for free. Just think of all the money we could save.
wind power on the other hand is of course, power generated form the wind. Usually, we need a wind turbine to collect energy from the wind. The energy from the wind is in the form of kinetic energy from the air molecules that collide with the blades of the turbine. This kinetic energy is then transformed into rotational energy by the shaft which is connected to a generator. Rotational energy will then be converted into electricity in the generator.
A solar and wind power system would be a more powerful source of energy. During bright days, you can power your own home or business with solar power. During long periods of cloudy days, you can still store energy from the wind. If you are lucky enough to live in a place where both the sun and wind are plentiful, you can make use of this. However, if you live somewhere sunny but not windy, then solar power is a good choice.
Solar and wind power system are abundant, clean, and renewable. Not only are we being earth friendly when using solar and wind power system, we can also save lots of money. So why not learn how to build a solar and wind power system now?
Saturday, August 7th, 2010 at 1:16 am
I know many of use are mourning summer time. It’s doubly difficult to say goodbye to summer when you’re worried about your utility bills all winter long. But you don’t have to worry, there are some easy things you can do today to cut energy bills, today, and all year long.
There are big changes you can make that will save you hundreds or thousands of dollars on utility bills, and then there are smaller things you can do that will save you dozens, or hundreds of dollars. The choice is yours.
Generally speaking the bigger the change the bigger the upfront cost, but also the bigger the payoff on energy savings.
Here is a brief list of changes, big and small, that can help you get those utility bills under control, and keep them that way.
1. Either replace or repair windows and doors. If they’re older than 10 years you might want to upgrade to newer more energy efficient models. You might even be eligible for a tax credit if you do.
2. Adding insulation can help save a lot of money since you won’t be wasting all the warm air by allowing it to seep out of your house.
Insulate your attic, fill in cracks around windows and doors, and add insulatated window kits to your windows to keep the drafts out of your home.
3. Use the sun to heat your home during the day. Even in the winter sunlight throws off a lot of heat. Let it help you keep your home nice and toasty, all for free.
Close your curtains at night to keep the cold air out of your home.
4. And to really save big on your utility bills you might want to consider ways of generating your own electricity.
You can easily, in a few days, and cheaply, for less than $200, build a home size wind turbine to capture the power of the wind and convert it to electricity and cut energy bills.
Learn how to make your own power at home using solar and wind energy to eliminate your energy bills now. Click Here to find out how
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