When the sun's rays touch the solar cells, the sunlight is converted into electric energy. However, it needs a positive charge in order to actually produce usable electricity. In order to create a positive charge, the element silicon should mix with another element that can offer three electrons like boron.
1 Comment Add this link to... Tell a friendBury Add to:
| Bookmarks
Comments
http://biggerpenistips.com/articles/Which-Penis-Enlargement-Pills-Work/32-1.html