The typical AS IS addendum will specify that the buyer is not to rely on the seller or seller's agent regarding the condition or safety of the property being sold. This declaration of total ignorance includes all portions of the property and any improvements. It encompasses electrical, heating, sewage, plumbing, the roof, the AC, the foundation, the lot size, the appliances, the soil and even the basic geology of the land the property sits on. READ MORE
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A History of Solar Power
The start of modern solar power history can be traced to the middle of the 19th century. During this time the industrial age was beginning to influence much of western Europe. The need for a combustible resources in massive quantities being one of them. This resource was coal and forward thinkers, inventors and scientists began to ponder what might happen to society should this resource run out. The results of this thinking is the modern solar power industry. This article will plot the history of solar power from this time to modernity.
From 1860 to 1880, the French engineer Auguste Mouchout developed a solar powered engine. The principle of the engine was to convert heat from the sun into steam power. His inspiration was the increased need for coal in the new industrial age and the knowledge that coal resources could not be sustained forever.
The engine was well received by the French government that saw the potential for free energy. They invested money into the project that allowed Mouchout to continue his research and development. However, when coal became cheaper and more plentiful, the government began to lose interest in a solar powered engine and canceled the funding.
At this time, a similar developing was taking place in India. William Adams created a rack that comprised many small mirrors around a boiler. This produced an engine with around 2.5 horsepower.
In 1885 for approximately 4 years, Charles Tellier performed experiments with solar energy. He eventually created solar collectors that were installed on rooftops. The aim of the collectors was to power refrigeration units.
In 1903, Aubrey Eneas started working with solar power. He studied the work of Mouchout but expanded on the scale and efficiency of the original design. He produced a solar power engine that had commercial potential. To this extent, he managed to sell one to a Doctor in Arizona for nearly $2000. It became damaged soon after being transported and was never used. He managed to sell another engine for a similar figure but this was also never used as it became damaged in a hailstorm.
At the same time, Henry E. Willsie developed 2 solar plants that collected energy during the day for use at night. The plants used flat plate collectors that produced an output of around 15 horsepower.
In 1906, Frank Shuman made improvements of the original Willsie design. This increased the engine output to 33 horsepower. He continued to tweak his designs to the extent that he managed to get the engine up to 55 horsepower.
There were no note worthy developments until around 1954. Bell Laboratories researchers discovered the reaction of sunlight and silicon. This was investigated and lead to the creation of the photo voltaic (PV) cell.
A Photovoltaic (PV) cell is the fundamental element that makes up the solar panels that are generally placed on rooftops. Solar panels create direct current from sunlight.
During the 1970's, gas shortages and increasing oil prices kick started interest in alternatives to fossil fuels. More time and money was dedicated to alternative energy, including solar power. Most of the research in solar power centered on getting PV cells more efficient while being less expensive.
PV cells are now far more efficient and cheaper than they used to be. Given the numerous government incentives, solar panels are within the reach of the average household. Funding has also been increased to make solar power research more successful.
Article Source: OrganizingWeb.net
About the Author
For more residential solar power information visit solarpowerappliances.com. You will find plenty on solar applications, including outdoor solar lighting and how to find rebates on solar systems.
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