NASA's heartbeat detector helps search for Mexico quake survivors
In tests, FINDER has detected heartbeats through 30 feet of rubble or 20 feet of solid concrete.
Sep 25, 2017, 12:00 PM IST
In tests, FINDER has detected heartbeats through 30 feet of rubble or 20 feet of solid concrete.
Sep 25, 2017, 12:00 PM IST