Energy for Sustainable Development
Esd Bulgaria: Kids & Energy: Electricity
Electricity is the flow of electrical power or charge. It is a secondary energy source which means that we get it from the conversion of other sources of energy, like coal, natural gas, oil, nuclear power and other natural sources, which...
Georgia State University
Georgia State University: Hyper Physics: Conductors and Insulators
This site from Georgia State University provides information on the distinction between conductors and insulators. Factors contributing to the insulating ability of materials are discussed.