The Green House

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Solar Panels that work also at Night

Solar panels do not produce energy at night today. Although some manufacturers say they do, their yield is much lower than that obtained in ideal conditions of light, temperature, angle of sunlight, etc.

What would be but if this problem would be overcome and our panels would produce electricity at night? Well, it seems that in the near future this will be possible.

If you liked physics at school, you already know that when there is really dark well there is light. Sounds strange right? However it is true just we do not see it: the earth absorbs solar energy during the day and then at night as a radiating infrared rays. So at night there is light, but as infra red radiation our eyes cannot distinguish.

A number of U.S. scientists claim to have managed to capture the infrared through microscopic antennas, which have a diameter of 1 / 25 the thickness of a hair. They are confident that these antennas can be used for the next generation of solar panels to produce electricity during the day, regardless of position on the globe or temperature. In addition, solar panels will yield a micro antenna of solar power over 90%, compared to almost 20% as have those from the current generation.

Sounds very well what this Americans, but things are still in experimental stage. Apart from the prices of such systems are likely to be exorbitant at least initially, with solar panel technology has a big boil the micro antennas: the micro antennas absorb solar energy and creates an alternating current that oscillates at speeds of billions of times per second, and current technologies do not allow such a transformation of alternating current with frequency of oscillation in direct current. But the same U.S. researchers are confident that this problem can be overcome and in 5-10 years micro antennas solar panels will be used by final consumers.

It is really impressive where the technology nowadays has arrived, what the scientists has discovered, we only can trust that all turns to be for the better, and not for destroying more the Planet that we all live in.

So it is possible that in 10 years we have alternative energy source worthy of consideration. We can not only enjoy! What do you think you?

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