The different types of photovoltaic cells The photovoltaic cell is made of a semiconductor material that absorbs light energy and transforms it directly into electrical current. Production of photovoltaic cells requires energy, and it is estimated that a photovoltaic cell must run for about 2 to 3 years depending on its technology to produce the energy that was … [Read more...]
How To Make A Solar Panel
A solar panel is often expensive. To avoid buying it, find out here how to build it by yourself ... with soda cans! John, who needed extra heat for his house, decided to build his own solar panel. The idea? Cans, assembled in long tubes, accumulate air that heats up when the sun shines and then blows into the house (here is a diagram to better understand the … [Read more...]