NYPD to Receive ‘T-Ray’ Vision to Detect Concealed Firearms
The New York Police Department is testing a new device that can detect firearms concealed beneath layers of clothing. Dubbed “T-Ray,” the machine detects terahertz radiation, a high-frequency electromagnetic natural energy that is emitted by people. It also detects the presence of hidden metal from a distance, The Wall Street Journal reported. “If something is […]