Archive for the ‘solar power’ Category

Solar lights have become popular and are lights for today and the future. We have been using energy from the sun for years, but it has only been recently that we can use this power in an efficient way. With solar lights, we are able to take another big step towards keeping the earth cleaner and safer.

Not only are solar lights able to be used in many ways, but they are earth friendly too. The sun is a source of energy that is renewable and we can use the energy from it without causing more pollution to occur. Using solar lights allows us to light up our world without having to increase negative effects on the earth.

It’s a good idea to take a look at how solar lights actually work. The light fixtures actually have a little solar power on top of them. They are a lot like the panels you see on roofs for homes, but much smaller. During the time that the sun is out, the panel collects energy from the sun, which is transferred to a battery that can be recharged again and again. When the sun is out, the battery charges up, and then when it gets dark, that energy is taken and used on the LED light, which provides light through the dark hours.

For the most part, solar lights are used for backyards, pool lights, lights around doors, and for lighting up the gardens as well. You can find various types of solar lights, and some of them are merely functional, while others are beautiful and decorative in nature. Solar lights can be hung from trees, put up on buildings, or even mounted on posts to provide even more light. Various lantern style lights are available, and they can be put near the ground to help you safely be able to walk down a sidewalk or path. There are even floating lights available, which look great on pools or in ponds, and add a bit of decorative charm.

Installation of solar lights is quite easy. There are no trenches to dig for the lights and no complicated wiring to deal with either. It’s very simple to press these lights into the ground or to hang them up somewhere. These lights are independent from each other, and only need to be placed in an area where they get plenty of sunlight.

LEDs are much longer lasting than regular light bulbs and use very little power to keep going. More often than not the LED will last as long as the solar light fixture itself, years. Because LEDs are dimmer than regular bulbs, fixtures are manufactured using reflective surfaces and are available with numerous LED to increase brightness.

Solar lights are going to vary in costs. Some home improvement stores offer great prices, while a boutique with garden enhancing lights may charge a bit more for the lights. No matter what you pay for them, you won’t have to keep paying for electricity to use the lights, since sun light doesn’t cost a thing. If you replace other lighting fixtures that use electricity with these solar lights, you will probably notice that you save some money on your electric bill.

There are so many benefits to using solar lights. Even during the winter when the days are gloomy, the battery will still get enough sun to charge them. The lights will go on and off on their own as long as the sun rises and sets. There is no heat coming from the LED’s either, which means your kids and pets are totally safe. If the power goes off, you can go outdoors and enjoy the light from your solar lights. They also benefit the earth, and they make great choices for your outdoor lighting needs.

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Going green and already building your own solar panels? Good for you! You might be tempted now to build your own solar cells as well.

But you need to consider carefully whether you *really* need to do it. It’s nice to say, “I built my own solar cells!” but it’s quite time-consuming and these days they can be purchased very cheaply off of eBay.

The time involvement necessary to create one single solar cell is extensive, and it pays to remember that just one solar panel can have in the neighborhood of hundreds, if not of thousands of cells, depending on the size. So, think hard ” do you really want to commit the time and effort when it might be cheaper and most probably easier, to purchase them ready-made?

But if I haven’t convinced you to just buy your own solar cells, here’s what you’ll need to make your own:

1) Copper sheet – half a square foot should do. 2) Two clip leads. 3) Micro-ammeter measuring between 10 and 50 microamperes. 4) Either an electric stove, or some type of heating plate to put on your gas stove. 5) A large jar or plastic bottle. 6) A few tablespoons of salt. 7) A bucket of water. 8) Sandpaper. 9) To cut the copper, you’ll need metal shears.

First, clean the copper sheet with the sandpaper and wash both it and your hands before proceeding. Then, cut the sheet using the metal shears to the approximate size of your heating plate or stove.

Once you have your copper piece, put it on your heating plate and turn the heat to “high.” It should take 30 minutes to produce a blackened sheet, and then another 20 minutes for it to cool so you can handle it.

You’ll see black and red spots all over, after the oxide disappears.

Then, cut another copper sheet that’s approximately the same size as your first one and make sure that they can both fit into your plastic bottle or jar without touching.

Now, connect the positive terminal of your micro-ammeter to your “uncooked” copper, and connect the negative terminal to the copper piece that you heated up.

Combine the salt and heated tap water and pour it into the bottle to fill it just below the top of the sheets ” that should leave about a quarter of an inch of copper sticking out at the top.

Finally, test your new solar cell to see if it produces current in the sunlight. You should be able to see at least 10-50 microamperes of current if you did it properly.

Since copper is so inefficient compared to silicon, you’d need 80,000 square meters of these cells to power a single 100-watt light bulb. So I’d highly recommend eBay for buying cheap, manufactured silicon solar cells.

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The fact is, we all need electricity to power our lives. We need the level of civilization that can be provided by electricity. However, most people think that the price they pay is just too much for the amount of electricity they get to consume.Home energy consumption is one of the main problems of people today.

Alternative home energy has been on the roll ever since people have made designs efficient enough to make them feasible.In the true spirit of humanity, people did what they always do whenever theres something that does not completely satisfy them about life: they innovated.

People may think that alternative energy is just a recent development, but in fact, alternative home energy has been around even before electricity was discovered. Consider these types of alternative home energy:

These generators produce and store electricity to be used in running small home appliances. However, windmills have been around for a long time.Wind energy: Nowadays, windmills are used in homes to run small generators.

If you take a look at the word windmill you will realize that this type of alternative home energy device was used for a purpose other than producing electricity. Yes, the windmill was indeed, used to mill grain.

As you may well know, grinding grain my hand is very hard work. So in order to make life more convenient and the production of flour more efficient, windmills were used to turn the large grinders. Seeing as how this was so effective, it was inevitable that the windmill evolve into the 21st century in order to be used as a power source.

In a sense, harnessing the power of the sun to produce electricity is. But this alternative home energy has already been in use for a long, long time.Solar energy: Many people think of this type of alternative home energy as something thats technologically advanced.

Yes, we have been using solar power to dry our clothes for God knows how long. Think about that spin dryer or hair dryer you have and think about how much electricity it uses to do a task that the sun has been able to do for years, albeit at a slower pace.Think about this word for a second: clothesline. Aha, you get it now, don’t you?

The efficiency by which we are now able to convert solar power into electricity is of such a degree that it is very possible to power a whole house! Now, isnt that amazing?This alternative home energy is harnessed nowadays for a variety of tasks. Some use it to heat their homes, others use solar power to heat water, and other people use solar cells to power small appliances and save a little on that electricity bill.

Hydropower: With this technique, the power of running water is used to turn turbines which in turn run generators which produce energy. This is an update on an old idea. Waterwheels and windmills have been used for many years to harness the power of the wind and water in order to grind grain into flower.

Fourth, biogas can also be used to power devices around the home. Biogas is produced from the decay of various organic materials. It is much cheaper than liquified petroleum gas, and thus can be used to heat your home effectively for less than you currently pay for heating. There are quite a few methods to generate alternative home energy, as we are finding out.

You have also been informed as to how we have used these energy sources in the past and how they are being used today.What you need to do is explore these options and discover which type is the best for you to use.

While many of the alternative home energy setup seem to complex or too expensive for most people to consider using them right now, the technology and engineering behind them continue to advance. Alternative energy will get more efficient in years to come.

By using alternative home energy, you accomplish two things: you save on your expenses and you help create a better world. You see, alternative home energy sources do not produce any harmful effects to the environment.

The energy that you will get from the sun will cost you almost nothing. While many people are concerned by the initial expense involved in this system, you will eventually save much more money than it will cost to establish.

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