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Outdoor Solar Lights At Target
The Solar Furnace - What It Does And How It Works
A solar furnace is a device which produces heat by concentrating solar energy. In order to concentrate this solar energy, the furnace uses reflectors.
A small solar furnace can be used to prepare food as a substitute for firewood. A large solar furnace can produce enough electricity to power a small community.
Some organizations have introduced this technology to developing nations, in the hopes that it might lessen the consumption of firewood, and help solve the deforestation problems in that particular region.
How Does a Solar Furnace Work?
This is a really a very simple system. In principle, one needs to use at least two mirrors, and point them in the same direction, so that they focus light on a concentrated area. This in return intensifies the sunlight, because the area not only receives heat from the sun, but also from the two mirrors. If you add more mirrors into the set, you can produce a greater degree of heat, which can then be used for cooking or in other applications where heat energy is necessary.
There are some groups which can create such a furnace which produces a large amount of heat energy to turn organic materials into ashes.
It has been said that the only limiting factor to the amount of heat that can be created, is how efficiently the mirrors are focused on a single spot. The more accurate the focus of each mirror, the more heat can be produced.
When used properly, a solar furnace can harness the sun's rays to produce very high temperatures. This is done by using a curved mirror, or an array of mirrors, which act as parabolic reflectors that concentrate the light onto a single point. The heat thus generated can be used as an alternative energy source, can be used to produce hydrogen fuel, or can even melt steel.
Small-scale furnaces can be used for cooking, for pasteurization, and as outdoor camping ovens.
The main drawback to this form of renewable energy is that it still depends on weather conditions for its effectiveness. Once the sky gets cloudy, its heat output diminishes.
Solar Furnaces in History
It has been said that Greek inventor Archimedes used a solar furnace to set the sails of enemy ships on fire. If this is true, he would have had to have known the technology to precisely focus sunlight on a distant target. In ancient times, mirrors were made out of polished copper or silver. They couldn't be accurately focused as easily as our modern mirrors can. However, those were times of strength and skill. In 1973, The Greek navy did recreate this scenario as an experiment, and succeeded in setting fire to a wooden boat fifty meters away.
There may be more we can learn from history on the use of solar power and alternative energy. After all, those were times without gas pumps and power grids. But what's most important is that we continue to research, develop, and implement clean energy solutions, wherever we can in the modern world - both for the sake of our nations' respective economies, and for the sake of a cleaner future on Earth.
About the Author
For more information on how you can implement solar power systems (in the home, while camping, on the road, or on a broad scale) please visit our website on Solar Power . You can also find a variety of Home Solar Power Equipment .
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Casio Men's PAG80-1V Pathfinder Altimeter/Barometer/ Digital Compass Solar Digital Watch $138.44 Set a course for adventure every day you wear this solar-powered Casio Pathfinder Triple Sensor men's digital watch (model PAG80-1V), which includes a built-in digital compass, altimeter, barometer, and thermometer. This extra-large, round watch features large function buttons that are easily accessible even when wearing gloves. Both the case and strap are made from durable resin. The digital comp... |
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Pop up Beach tent, beach sun shelter UV 50+ $33.95 Self Expanded Beach Tent, Beach Sun shelter Pop opens in 2 seconds, Folds down in 3 second Coiled down into a 20" circle, Very light weight only 2.5 lb Comes with shoulder bag and 4 sand stakes, easy to carry Durable T190 Nylon, UV protection, instant sun shade Dimensions: 193cm (L) x 116cm (W) x 120cm (H) Beach mat is not included To see the folds down video clip please copy the link below and pa... |
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LED Rope Light 18 Ft Indoor and Outdoor $19.98 Just in time for Christmas! This Everstar 511609 unique rope lighting product is a versatile and convenient alternative to traditional glass or neon lights. It can be formed into almost any shape (at a fraction of the cost of neon tubing) and so it's a great choice for use almost anywhere - Night Clubs, Theaters, Museums, Restaurants, as well as around the home. Place the Everstar 511609 around ... |
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Suck UK Sun Jar LED Solar Light, Yellow $19.99 The Sun Jar makes the most of nature by storing the sun's energy for you to use when the stars come out! The unique fantastically designed Sun Jar runs off an energy efficient LED light and automatically glows with natural light at the brightness of a candle when night falls! Automatic, fully portable and an absolute delight to use, the Sunjar brightens any interior or garden creating a warm welco... |
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Sunergy Solar Powered 6.5' Lamp Post w/ 3 Lanterns and Planter $124.99 Light up your landscape with this elegant solar powered lamppost. Equipped with three lanterns and a planter base, it's an attractive accent by day and a welcoming source of light by night. The diameter of the shaft is 1.75-Inch at the top and 3-Inch at the bottom. Simply place the lamppost where it will receive direct sunlight--there's no wiring or installation required. One large solar panel co... |
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