<http://schema.org/description>
"It was a grand day for humankind when the first Faraday cage came to life; these cages have given rise to all sorts of technological innovations. How much do you know about these wiry wonders?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/faraday-cage-quiz4.htm>