<http://schema.org/about>
"New York City Council, at the suggestion of the Department of Homeland Security, is looking at  legislation that requires anyone who has or uses a detector that measures chemical, biological or radioactive agents to get a license from the Police"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/corporate-responsibility/first-they-came-for-the-geiger-counters.html>