INTRODUCTION We've all heard about . But, do we all know what it is? How it works and what are its uses? To start talking about , we must try to understand the how "normal" conductivity works. This will make it much easier to understand how the "super" part functions. In the following paragraphs, I will explain how superconductivity works, some of the current problems and some examples of its uses. CONDUCTIVITY Conductivity is the ability of a substance to carry electricity. Some substances like copper, aluminium, silver and gold do it v ....