solar
solar
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31.
by Rick Chapo - 2007-03-12
Solar power is being touted as one of the solutions to the energy needs of a hungry world. This brings up the rather fundamental question of how solar cells are actually manufactured. The vast majo...
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32.
by Rick Chapo - 2007-03-12
Energy prices are rising. Many people are fighting back by using solar power systems for their homes. If you are thinking of doing the same, you may need to know about charge controllers. Solar pan...
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33.
by James Bratley - 2007-03-22
Over recent years, many scientists have been designing new and expensive technologies with the aim to save the earth, or reduce the effects from global warming. One of these ideas lies in a concept of...
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34.
by James Bratley - 2007-03-22
Over recent years, many scientists have been designing new and expensive technologies with the aim to save the earth, or reduce the effects from global warming. One of these ideas lies in a concep...
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35.
by Assaf Katzir - 2007-04-10
At the moment if households want to go green and have an alternative power system, they have to invest some money. Of course they will save money in the long run but usually the middle and the low cla...
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36.
by Richard Chapo - 2007-04-12
How alternative energy works is not a new concept. In fact, people have been using hydro-power for over 2000 years to grind grain and power saw mills.Hydro power is a form of alternative energy that ...
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37.
by Robin Nixon - 2007-04-13
There are actually three main alternative sources for electricity: 1) The Sun, 2) The wind 3) Running water. Of course there are others but these are the ones you'll most commonly find solutions fo...
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38.
by A J Wilkinson - 2007-04-15
Simple Hydro Power model: (Head(ft) x Flow in Cubic Feet per Second) / 11.8 = KW output. or(Head(m) x Flow in Cubic Meters per Second) / 8.8 = KW output.Then take KW output x Hrs producing x G...
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39.
by Jakob Jelling - 2007-04-22
These lights have several pros as well as some cons and it might be useful being aware of those facts before acquiring them. One of the main pros about solar garden lights is the fact that they ar...
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40.
by Alex Perry - 2007-04-25
Everyone likes to feel that they have got a bargain when they buy something new, particularly if it's something expensive like a fridge or washing machine. One tried and tested method is to shop ar...