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2012年4月13日星期五

We are in the era of the advent of the solar energy


It may well sound like some thing in the distant future, but we have been experiencing it all our lives. An individual's 1st discovery of solar energy may possibly have happened 1 summer day when they turned on the garden hose expecting a cool rinse. To their surprise they were slightly burned by the hot water that was generated as it lay in the mid-day sun. Others found delight in employing a magnifying glass to concentrate the suns rays to burn holes in leaves or brown paper bags. White paper didn't function, or was very slow to ignite, teaching us yet another subtle lesson about physics, and the power of the sun.
Most got tired of the games as soon as it became cloudy, but others remembered their childhood lessons, and vowed to one day harness the energy of the sun. Although holding short interest for most the future of the Earth's energy wants were being unveiled. For a couple of with the desire to experiment, it led to placing big black containers and pipes on their roofs to heat water for their homes. To the masses this seemed ridiculous, with the availability of other low cost sources of energy, employing the sun to heat water was ugly and unpractical. It worked, but it was too significantly trouble, and the technology was not worth developing.
People weren't the first to notice soar heat. Animals appreciate and use the sun as an energy source on a regular basis. It even works following dark, keeping water and numerous other objects warm until the following day.
With out utilizing any technology, other than appropriate placement of structures and windows, an abundance of energy was free of charge for the taking. Passive use of it has been both accidentally and intentionally appreciated for centuries. The advanced technology that has been developed in more recent times has turned it into a source of energy that can be depended on twenty-four hours a day, and with out ever having full sunlight.
From the instant gratification of having a solar reflector ignite a huge piece of wood, to the subtle workings of a modest solar cell powering a garden light, the power that has often been obtainable, is now becoming far more practical to use. Solar cells have been utilised in small calculators and cameras for decades. Their use becoming far more common on a bigger and grander scale was just a matter of time. The possibilities are now endless, with solar energy being able to replace just about any other energy source now in use.
Highway signs and traffic cameras in remote locations that had been previously unusable are now dependably operated utilizing solar power. In countries with out a very good program of generated electricity the sun powers entire schools. Vehicles employing solar cells combined with batteries have been developed and are being put into production. Manufacturers of boats, cars, and even airplanes, are taking advantage of solar technologies to enhance their performance.
With the recent development of more effective solar cells, and smaller batteries, the possibilities are beyond imagination. The combining of technologies has lead to numerous uses of solar energy that have in no way prior to been considered.
Right now when we say," the Sun is going to be hot tomorrow", it takes on a entire new meaning.

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