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Finally, the cell bears an antireflective coating, which ensures that photons—the particles of sunlight needed to generate solar power—are absorbed by the silicon layers and not reflected away.

In the above animation, the Sun, Jupiter and Saturn are shown orbiting the barycentre of our solar system. The barycentre is ...

A solar cell is made of two types of semiconductors, called p-type and n-type silicon. The p-type silicon is produced by adding atoms—such as boron or gallium—that have one less electron in their ...

We will admit that it is unlikely you have enough gear in your basement to make a solar cell using these steps. However, it is interesting to see how a bare silicon wafer becomes a solar cell.

As the electrons flow through the cell, they generate electricity. On a much larger scale, solar-thermal power plants employ various techniques to concentrate the sun's energy as a heat source.

As the world anticipates the total solar eclipse on March 29 ... the moment the moon passes between the sun and Earth. The animation highlights the sun's corona, its outermost layer, visible ...