<http://schema.org/description>
"Electrical power is a little bit like the air you breathe: You don&amp;#039;t really think about it until it is missing. There are good reasons the power grid distribution system works the way it does, though it can lead to some big problems."^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/environmental/energy/power1.htm>