Posted by Andy | Posted in Solar Lights | Posted on 28-05-2009
Tags: landscape, lantern, light, lighting_exterior, Solar Lights
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Solar Light Bronze
The History Of Solar Energy
Throughout man's history the sun has always been a subject of speculation and worship. In fact, most ancient cultures have deified the sun, due to its life-giving and energy-giving qualities.
Thus, the subject of solar energy is one of the oldest subjects on Earth. It has gone through many evolutions and has been the subject of many schools of thought - starting with religion, and ending up in the field of science.
In fact, though not many people know this, a large portion of the western civilization celebrates the returning of the sun each year, just as the ancients did thousands of years ago.
I am, of course, referring to Christmas - which dates back to the celebrating of the winter solstice, the point in time when the Earth has reached its furthest point away from the sun, and starts returning.
Of course, the story of Christmas has radically changed from its original meaning. It has gone through its own evolution. Originally being a celebration of the sun's return, it then became the celebration of the birth of Christ, and eventually wound up with a friendly old man bringing Coca Cola on Christmas Eve. But this last point is simply modern marketing at work.
The First Uses of Solar Energy
It is almost impossible to exactly date the first uses of solar energy.
But we do know that the ancient Greek and Roman civilizations, among others, made use of "passive solar energy" in their building designs.
Passive solar energy is the use of a building's architecture to capture the sun's heat and light.
In 200 B.C., the Greek scientist, Archimedes, used concentrated solar power technology, (now referred to as "CSP") by combining the reflective properties of many polished bronze shields, in order to focus sunlight and thus set fire to an invading Roman fleet while it was besieging Syracuse.
(In 1973, The Greek Navy recreated this scenario as an experiment, and succeeded in setting fire to a wooden boat 50 meters away.)
Socrates and the Romans
Even the famous Greek philosopher Socrates has commented on the benefits of facing one's house toward the south, in order to make use of the heat provided by the sun in the winter.
The Romans also used this technique, of facing their houses southward, but they took it a step further. They also installed more windows on the south side, allowing the heat and light of the sun to freely enter the buildings.
Throughout the first four centuries after Christ, Roman bath houses employed passive solar heating. The Romans built the bath houses with large, south-facing windows, to let the sun's warmth in. This aspect of passive solar technology is still used by architects today.
With these methods, they were able to reduce the amount of fuel they needed to heat their buildings. And considering that you had to go out and chop your own wood in those days, it was well worth it.
About the Author
Find out more about the history of solar power, at Solar Energy Part II.
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Set of 4 Solar Aluminum Lights - Bronze Finish $25.31 4 Piece solar lights for walkways or garden, includes stakes and solar panel, six superbright LEDs per light Solar panel can be tilted for maximun sun exposure... |
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Global 10 Pc Solar Pathway Lights Metal Bronze $36.59 10 piece solar pathway lights - powered by the sun landscape lighting. Nighttime high-output LED lighting/energy efficient - LED lights have long life. Bronze finish over stainless steel and aluminum construction. Ribbed glass lens and bronze finish removable finial. Auto "ON/OFF" - day/night. Rechargeable battery (included and replaceable). Sturdy ground stake (included). Height 17.04 Inches. Wid... |
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Smart Solar Solar Powered Table Lamp, Bronze $61.22 Solar Aluminum Table Light... |
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ABC Products - Bright Effects ~ 150 watt Tubular Halogen Light Bulb (Mini Candelabra Base) $3.95 50-Watt - 120-Volt tubular halogen bulb ~~ Bright white light - Pendant lights - Clear bulb ~~ Mini candelabra base ~~ For accent light, display lighting, task lighting ~~ Halogen bulbs offer substantial engery saving and expanded light over standard bulbs ~~... |
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ABC Products - Bright Effects ~ 50 Watt - Pendent Halogen Light Bulb (G8 Pin Type Base) $5.37 High quility halogen bulb 120 volts ~~ G8 pin type base ~~ 50 watt bright white light ~~ For pendant lights ~~ Offers subtantial savings over standard bulbs ~~ Ideal for accent lighting, display lightingand task lighting.... |
Requested: Bronze look for Blue Eyes or Anyone using MAC and Annabelle
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