"The National Urban Security Technology Laboratory is the first organization within the Department of Homeland Security to be awarded a U.S. patent for an invention conceived by its employees.According to the press release and media coverage of the patent # 7781747 entitled "Very thin dosimeter filters and low profile dosimeter incorporating the same," dubbed the Citizen's Dosimeter, this high-tech plastic card would be as convenient and affordable as a subway card, with the capability to measure the amount of radiation on a person or in a given area.