Green Earth Expressions

Posts Tagged ‘Lights’

Energy efficient homes that go easy on the environment are turning heads in Georgia with their low-maintenance appeal, cost efficiency and natural good looks. With Georgia Tech’s recent success in the 2007 Solar Decathlon and world-class community projects like Atlantic Station, Metro Atlanta is well on its way to being a model of eco-building in the Southeast.

Georgia’s green power was most recently demonstrated by Georgia Tech at the 2007 Solar Decathlon. The innovative contest, sponsored by the US department of energy, is a green building competition with an emphasis on solar energy. Twenty teams from universities all over the world were handed the task of building the most attractive and energy-efficient solar-powered home they could imagine.  Read more... (467 words, 13 images, estimated 1:52 mins reading time)

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Solar lights are popular for power conservation and low maintenance. They are also deemed to be rather durable. So, how long will your solar lights last? Well, there are three factors that will influence their longevity: batteries, bulbs, and solar panels.

Batteries. Most solar lights are equipped with double or triple A rechargeable batteries powered by the sun through solar panels. As you probably know, rechargeable batteries tend to lose their recharging capability – usually within about 2 years. When you notice that your lights are not performing as they should, do not panic – most likely you just need to replace the batteries.  Read more... (361 words, 13 images, estimated 1:27 mins reading time)

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Solar powered lights for home gardens have come along way.  They used to be unreliable because they broke down easily and only turned on for a few hours before needing to recharge.  But in the past few years, the technology behind solar powered lights has improved greatly and solar powered lights has become one of the best way to decorate the exterior of homes.  Great thing is they also save money at the same time.  There is nothing more mesmerizing than colorful display of lights on a house in the dark of night.

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You may be wondering how solar-powered lights work. Solar lights are used after the sun has gone down. So how can they operate?

First of all, understand that lighting devices which relies on solar power generally use a backup battery to operate. Solar cells are used to charge the battery during the day, and the battery powers the light during the night. The solar cells might be attached to the device itself, or might be located nearby.  Read more... (527 words, 13 images, estimated 2:06 mins reading time)

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The Grand Haven Municipal Power plant in Grand Haven, Michigan, generates power for a large area on the eastern shore of Lake Michigan. Like all coal burning power plants, the Grand Haven station requires large quantities of coal and maintains a stock of 50 to 60,000 tons.

The Jervis B. Webb Company engineered, manufactured and installed a series of belt conveyors to move coal from the dockside stockyard to the bunkers in the station. Efficient and definitely serving their purpose, these belt conveyors have clearly shown why this company is the best when it comes to coal handling.  Read more... (405 words, 13 images, estimated 1:37 mins reading time)

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