DOD builds laser that IDs remote subjects by their heartbeat - GCN
Orange Neon Glowing Laser Heartbeat Heart Pulse Diagram Curved Line on Grunge Blue Concrete Reflective Floor Roof Sci Fi Modern Stock Illustration - Illustration of glow, lights: 135424285
US Has A Laser That Can Identify People With Their Heartbeat From 200 Metres Away
Laser can detect your heartbeat and breathing from a metre away | New Scientist
New Laser Can Identify People From a Distance By Their Heartbeat
The Pentagon's new heartbeat detection laser could save us from our surveillance horror
US military laser can ID terrorists 'by scanning their HEARTBEAT from 650 feet away' | The Sun