tirsdag den 15. maj 2012

The Brewing of Beer

This wonderful libation has been quenching the massess for centuries and yet most of us admit to knowing very little about the brewery">brewing process. Well if a visit to a brewery is not in your near future this article will atleast get your on your way to knowing more about one of the worlds favorite beverages.

There are two main families of brewery">beer: Ales and Lagers.

Ales are top fermented and require much less conditioning time than lager. Ales are generally brewed at higher temperatures (between 15 - 24C or 60 - 75F) at these temperatures the yeast will produce a significant amount of esters and aromatic flavors in the ale. This will tend to give Ales “fruity” or floral compounds. Ales tend to be slightly sweeter than Lagers. Some Styles of Ales include but are not limited to, Stout, Barley Wine, Best Bitter and Albier.

Lagers are Bottom fermented and require much more conditioning time than Ales. Lagers are the most commonly consumed of the two families. Lager undergoes a primary fermentation at 7 - 12C or 45 – 55F then it will undergo a secondary phase or the “lagering” phase at 0 - 4 C or 30 - 40 F. This secondary fermentation will clarify and mellow the brew. The cooler temperatures will inhibit some the byproducts associated with brewery">brewing to give lagers a crisper taste than Ales. Some familiar styles of Lager are Pilsners and Bock.

Of course to start the brewery">brewing process we need to have a few vital ingredients:

Hops

Hops are derived from the cone of the Humulus Lupulus plant. Hops were originally added to brewery">beer as a preservative. It is now mainly used for its bitterness and aroma. The bitterness of the hops will generally balance the sweetness of the malt. The bitterness of commercially brewed hops is measured on the international bitterness unit scale and other than brewery">beer production, there is very little in the way of commercial uses for Hops themselves.

Barley

Barley is a cultivated cereal and is major food and animal feed crop. It is heartier than wheat and will thrive in cold temperatures. It was used by the ancient Egyptians for bread and of course brewery">beer. The Barley that is used for today’s brewery">beer production is malted barley. A process where the cereal grains are forced to germinate and are then quickly dried before the plant develops. This malting process allows the enzymes to convert the cereal grains starches to sugars, most notably of course in Barley.

Water

Water is the primary ingredient to brewery">beer and when heated becomes known as the brewery">brewing liquid. Different water from different regions will affect the brewery">beers taste due to mineralization. Hard water is generally used for production of darker brewery">beers such as Stouts and Ales while soft water is better suited for Light brewery">beer production such as pilsners or lagers.

Yeast

Yeast is a microorganism responsible for fermentation. It interacts with the Starches and sugars of Malt barley to create alcohol and carbon dioxide. Before 1876 and Louis Pasteur’s discovery of the single yeast cell, the fermentation process with yeast was a natural occurrence, hence the localized flavors of different regions being affected by the different naturally born yeasts. Now that Science has controlled the formation of yeast it can be broken into 2 main strains. Ale yeast (top Fermenting) or Lager Yeast (bottom Fermenting)

brewery">brewing 101

brewery">brewing brewery">beer has become a scientific process of late with several variations, filtering characteristics and flavorings but the process itself is a simple five step constant of Mashing, Sparging, Boiling, Fermentation and Packaging.

Mashing is the first process in brewery">brewing. The barley grains are crushed and soaked in warm water creating a malt extract. This extract is kept at a constant temperature to allow the enzymes to convert the starches of the grain into sugars.

Sparging is where water is filtered through the mash to dissolve the sugars inside. The result is a dark, sugar heavy liquid called Wort.

During the boiling process, the wort is boiled along with other ingredients, excluding yeast, to kill any microorganisms and release excess water from the brew. Hops are added at some point in this process.

Fermentation then takes place. The Yeast, either Ale or Lager yeast is added to the mix and the brewery">beer is then allowed to settle. This is called the primary fermentation process. There can be a second fermentation process but many breweries may simply filter off the yeast at this point.

Packaging the brewery">beer is the next step. brewery">beer at this point will have alcohol but very little in the way of Carbon Dioxide. Many large scale breweries will infuse CO2 into the brewery">beer through the keg or bottling process. Smaller breweries or craft breweries may add residual sugars or small amounts of yeast to the bottles or kegs to produce a natural carbonization process. This is called Cask or Bottle fermented brewery">beer. No matter what process the brewery takes, all brewery">beer eventually ends up in steel kegs, bottles, cans and sometimes casks.

Although you now know the in's and out's of the brewery">beer brewery">brewing process, the proper packaging of this libation has created much debate over whether brewery">beer is fresher when bottled or left in a keg.

The answer: A KEG.

The keg captures brewery">beer directly from the brewery and is kept refridgerated during transportation to your local pub!

Bottles on the otherhand are transported by unrefridgerated trucks and left on shelves where the brewery">beer is exposed to enough light that will inevitably have an affect on taste!




Homebrew beer

fredag den 11. maj 2012

How To Produce Free Electricity at Home?



Homeowners are inundated with rising expenses and discovering the newest way to produce free electricity using a magnetic power generator may be helpful in saving money on heating expenses. It differs from a solar powered type of generator. Unlike the solar, wind and water sources of generating energy, it is self-perpetuating and not dependent on external forces.

It is built in a similar way, using three components that are used to make the other kinds of generators. The magnets and long-lasting batteries are used to generate electric power. I also learned to build my own DIY electricity system cheaply using a guide that I will share more about with you.

Big businesses and environmental proponents are eager to find new substitutions for oil. Although a few controversial remarks have been made about this new generator, there has not been a particular defect identified. The United States will benefit from using this alternative energy source. If there is more of it generated this way, there will be less dependence on oil from overseas. There is no limit to how much heating costs can be reduced.

The generator works by using magnetic forces. A physics expert named Maxwell discovered the law of electromagnetism and developed it for practical use. One of the magnetic generators can be built using parts purchased at a local hardware store.

Two opposing magnets create a force and the third magnet balances that force. Motion is perpetuated, thereby producing energy. It is long-lasting compared to solar, wind or water power.

After being introduced to the public in 2002, it grew popular in a short time. It can heat a house, run the washer and dryer and light up the entire building. This generator will give the other three types some competition. The manufacturers of those others are critical of this new one. Perhaps they are afraid of that possible competition.

It is capable of lowering heating bills by fifty percent. There are no safety issues, but more research is being conducted. There is no doubt that this magnetic power generator can produce free electricity. The only question is, how much? The initial cost may be high, but regardless of that, buyers can save money for years into the future. Homeowners are hopeful that it will be manufactured commercially for those who do not want to build their own. I have personally managed to build my own home DIY electricity system simply following a DIY guide online.


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Solar Tower - renewable energy green global warming

Energy-Saving


Technological advancement is only possible through constant research and innovations. The latest example of such progress is the LED light bulb. Most research is carried out in order to find a way of improving the performance of an existing facility or to find a new product that will prove to be more economical and more efficient than the existing facility.

Positive Aspects of LED Light Bulbs

LED light bulbs have been developed to take the place of incandescent light bulbs or halogen light bulbs because they save energy, their efficiency is nearly double that of normal halogen bulbs and they do not have any harmful substance such as mercury. Moreover, these bulbs are environment-friendly because they can be recycled and they do not produce any heat. The durability and life expectancy of LED bulbs is in the region of 50, 000 hours, which is much higher than that of the earlier bulbs. As such, once you have installed these LED light bulbs, you can forget about any cost of replacing them in the near future.

Energy-Saving Feature

The earlier incandescent or halogen light bulbs used to dissipate a large amount of energy by producing heat. This meant that the electricity bill was unnecessarily high. LED light bulbs have been created after a lot of research to eliminate the energy wasted due to heating, This has resulted in the creation of the latest innovative LED bulbs that do not produce any heat and consequently use much less energy to light up a room.

Whereas the halogen bulbs were using 85% of the electrical energy to produce heat and only the 15% balance was being used to produce light, the LED light bulbs utilize 90% of the electrical energy to produce light. Halogen bulbs were fitted with filaments through which electricity was passed in order to produce light but these filaments heat up and consume nearly 90% of the electricity for heating. In the case of LED bulbs, which use light emitting diodes for producing light, almost the entire electrical energy is converted into light energy without wasting any energy for heating. By using LED bulbs you can save 80% of your previous electricity bill. By using the LED bulbs you can make sure that you are contributing towards lessening global warming because no heating from the bulb is being dissipated into the atmosphere.

Cost Aspect

Although LED bulbs are more expensive than the halogen bulbs, it is almost a one-time expense because these bulbs have a long life, which means they do not need to be changed for a long time. The extra initial cost will easily pay for itself over the years. Moreover, since these bulbs use so little energy, they are environment friendly and do not add to pollution. The LED light bulbs have standard bulb fitting features making them convenient to install and replace anywhere.

GU10 LED Bulbs

GU10 LED bulbs are the most common replacement LED bulbs. Though they are similar to the normal LED bulbs, they have many similar LED lights placed in one fitting. GU10 LED bulbs have a specific type of fastening and in most commonwealth countries such as the UK, New Zealand and Australia; the standard fastening is the bayonet mount. These types of LED light bulbs are mostly used in offices, shops, commercial spaces and in showrooms. They are high in style and efficiency.

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Alternative Energy - Biofuel from Algae

Solar Lights for Walkways - Cut Costs

Over the last fifteen years, solar energy has become a highly flexible power source. One of the best ways to use it and cut costs is go with solar lighting for your walkways.

A common misconception among many people is that solar energy requires large, bulky panels to work. While this is true if you want to produce large amounts of electricity for a structure, it leaves out a large segment of cheaper solar users.

The solar industry has made major advancements in creating one piece solar platforms that are cheap and can be used for practical purposes. Using solar lights for pathways around your home is one area.

Solar lighting is now the choice for gardens, landscaping and lighting paths. Lighting products typically come in sets of two to six self-contained lights. Each light typically is comprised of a metal or plastic stem with a lighting mechanism on the top. The lighting mechanism uses LED technology and is powered by a small solar panel built into the top of the piece. The lights can be purchased with or without backup batteries depending on your needs.

Once you’ve selected your solar lighting pieces, you simply map out where you want to add lighting in your landscaping. Next, you put the solar lights in place by sticking them in the ground to a point where they are snug and will not blow over in the wind. Congratulations! You now have lighting for your pathways that isn’t adding to your utility bill.

Your lights will charge during the day and light up in the evening. Depending on the particular brand, the lights may stay on throughout the night. Alternatively, certain brands will run for 8 hours or so, which means they go dark around midnight or one in the morning.

Maintaining your solar lights is very simple. You really don’t have to do anything. If the lights start to dim or go out earlier than usual, they are not broken. Typically, the problem is you have dirty solar panels. Clean them off with water or follow the manufacturer direction. Once clean, the lights should work perfectly.

Using the sun to power your outdoor lighting needs is a great way to highlight your home and save money on energy costs. Keep them clean and the lights will last for years.




DIY Solar Energy: Homemade Solar

Magnetic Generators - Produce Electricity Without Harming Environment


In the volatile economy, money is vital for all. Are you searching for an alternative source of energy? Do you wish to reduce or eliminate rising energy costs? If yes, then magnetic generators are the best solution to cut down your energy bills. Probably, you have heard the rumors that you can make it on your own. Well, it’s true! Don’t be skeptical about your ability to create a functional generator. You can do it without professional guidance. Meanwhile, the production of electricity via these generators is real. Hordes of people are using it today. All you required to understand is the basics of magnets and its great powers.

Indisputably, electricity generation through magnetic powers can cut down energy bills significantly. If you really wish to reduce the bills then you can take some concrete creative steps towards making or producing your own electricity. It will help you knock down almost half of your current electricity bill. The potential of energy generation is directly related to the strength of these magnets you are using. Stronger magnets produce more energy. Certainly, it will reduce your dependency on public electrical grid. It’s enough to save some money. Beneficially, it has no harmful environmental effects. It’s better than the conventional energy production ways we use today. No hazardous substance is emitted into the atmosphere.

Interestingly, having an alternative energy producing generator can lower your electricity bill up to 40%. Now, you don’t have to rely upon the movement of wind or sun to produce electricity. With the wind or solar energy generators you may face trouble during weather changes. Electricity generated with the help of the magnet generator gets unaffected due to any change in weather. It relies upon nothing else other than the power and beneficial features of ‘Magnets’. In order to create home-based energy generators, you should learn about magnetic field effects. These generators are made up of a series of magnets. Their opposite poles repel each other and in this way electrical energy is produced.

Meanwhile, creating magnetic home use generators is not astronomically expensive. You will get all the required components from local home improvement store. Don’t forget, magnet is the most important item of all the components used in a generator. There are some important aspects that you should keep in mind while creating an excellent machine. Firstly, the magnet you are using should be of highest possible quality. Secondly, having patience is crucial while producing electricity with the help of a generator magnet. If you have a background of electronics then it could take few hours to make the generator.

Another interesting aspect that most people don’t know is that the magnet generator electricity gathers vigor from the gravitational energy of the earth. The force that repels the opposite poles of a magnet is nothing but the gravitational force that is channelized through permanent magnets. There are some guides and schematics available online to educate yourself. Try to make the most out of this opportunity.




Saving Energy with Solar Power : Using Homemade Solar Panels

Just How Many Ways Can Electricity Be Made


What are the most conventional methods of making electricity?

Electricity is conventionally produced by turning giant turbines and various other types of energy fuels are used in order to turn these. Here are some of the typical methods of making electricity and one not so typical:

• Using fuel and steam - Water is heated on a large scale in a furnace. The vapor thus generated helps move the turbine blades. In order to heat the water, various fuels are used, such as coal, petroleum, and natural gas.

• By nuclear fission - Electricity is produced in nuclear reactors by using the heat produced in the chain reaction caused by nuclear fission. This heat boils the water and the steam is then used to rotate the turbine blades.

• Using bio-waste - Electricity is now also made by burning bio-fuels instead of fossil fuels. Bio-fuels are obtained from biological waste, mainly from plants. Bio-fuels are considered safer than fossil fuels.

• By hydro-power - Water is also a common method of producing electricity. The huge turbines are turned by the harnessed force of water from rivers and other bodies of water. Although this method may not negatively affect the environment in general, it can upset the ecological balance within the bodies of water.

• Using the wind - Electricity can be produced by wind generators. Wind generators work by converting wind power into mechanical energy and then into electrical power.

What is so important about using alternative sources of energy?

Alternate power solutions are needed in the light of rapidly-depleting fuels and energy sources. Furthermore, most of the conventional ways of electricity production adversely affect the environment in one way or the other. We are facing a serious power crisis. Time is running out for fossil fuels as a source of power. In the meantime we can take measures to mitigate the harmful effects of conventional energy production.

Some alternative ways to produce electricity

In these times of energy crisis and environmental damage, you might ask: What can be done? We can do much if we want to. We can begin by reducing our consumption of power. In addition , we can implement alternative methods of energy production such as:

• The Wind power solution – Installing a wind turbine can help produce electricity for our homes and farms.

• The solar power solution – Using the solar power to cook, light up and heat our homes is a wise idea.

• Bio-gas – Bio-gas can be used to produce electricity on a small scale.

But the little known yet most effective method is by the use of magnets..... yes, that's right, magnets that produce much more energy than they consume and thereby reduce your energy bill drastically.

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Windmill windturbine pvc

Is the Fear of Divorce a Valid Reason to Avoid Marriage?


marriage has held on to its position of being the number one social institution throughout all these ages. It has been holding sway in spite of all other social, economical, political and military turbulences across the span of the world.

Of late, however , this honourable institution has come under attack in its time honoured form. The first attack on marriage was from the ever increasing divorce rate across the developed countries of the world.

It is sometimes referred to as the divorce revolution. This period of time witnessed an exorbitantly large rate of divorces amongst the general populace. Divorce was touted as the panacea for all ills plaguing the married society.

The number of divorces kept increasing across the world as the sixties moulded into the seventies and then onwards into the eighties and nineties. Unfortunately for the believers of marriage the given situation has still not abated and divorce rates continue to spiral across the world.

This exceptional increase in the rate of divorce had not even subsided when a new and altogether different form of relationship started challenging the institution of marriage. This new challenge was from the live in relationships.

People were, very simply put, just not getting married anymore. Instead of getting married they were living together as any married couple will and carrying on with their lives accordingly. They just refused to adhere to the commitment required by marriage as an institution.

This started becoming so common that now there are an ever increasing number of single parent families. It is no longer uncommon to come across single parent families whether they are owing to divorce or accident or choice.

All this has got the sociologists to behave as a worried lot. They are alarmed at the impact that such an ever increasing number of single parent families will have on the society. They have already started clanging the warning bells.

There are several reasons behind people opting for live in relationships as opposed to a married life. Perhaps the first and foremost cause is the rise in individualism in the human society. People wish to be independent and they feel that marriage and its related commitment somehow robs them of their cherished freedom.

Another reason is of course an accidental start of a family where the mother may not wish to or is unable to lose the child she is carrying. In other instances it may simply be that any one of the two parents does not wish to be burdened by the family way of life.

Yet another very strong reason for the rise in live in relationships is that a very large number of populace, the children of the divorce revolution, are simply unable to relate to marriage. They merely fail to understand the intricacies of married life as they have not witnessed something similar in their own homes.

Another major cause of the rise of live in relationships is that people are afraid to get married as they are afraid of divorce! They take it for granted that with the statistical rise in divorce rates, their marriage is also destined for same.

Having either witnessed or heard about the pain and sorrows aligned with divorce, these people wish to save themselves from all the trouble. Thus it is that they have a very simple solution to it all and that is simply to avoid marriage altogether.

Unfortunately for these people, this fear and the associated phobias stop them from knowing what the beauty of marriage is all about. These people fail to comprehend that if marriage has survived all these ages, then, there must be something very positive in its nature.

Such people may be escaping the hurts from a possible divorce but they are in fact missing out upon the all the fun that marriage has to offer. marriage gives one that one individual who can be relied upon at all times, good or bad.

It does not make sense to avoid getting married simply because one is scared of divorce. If marriage is some kind of a challenge then the challenge has to be met head on. How else does one tell about the taste of a dish without tasting it?





EXCLUSIVE How To Get Over A Man