When a disaster strikes, there's a very short window of time in which to locate and free survivors trapped under rubble. The Finder portable radar system, developed through a collaboration between NASA and the US Department of Homeland Security, could make it much easier for emergency responders to find victims.
"Finder" is short for "Finding Individuals for Disaster and Emergency Response." The device works by sending a low-power microwave radar signal through the rubble. The signals that bounce back are analyzed for patterns that indicate a person's breathing or heartbeat.… Read more