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Next-generation algorithms and sensors for detecting chemical threats put through their paces in SIGMA+ program. May hold promise for military use in development of large region scale chemical, biological, radiological, nuclear, and explosive threat threat detection networks. DARPA’s SIGMA program, which began in 2014, has demonstrated a city-scale capability for detecting radiological and nuclear threats
Researchers propose a new method that might be used to detect nuclear hazards from up to a few hundred meters away. The team described experimental demonstration of real-time radioactive material detection using a high-power pulsed millimeter-wave source. They successfully detected of 0.5 µg of cobalt-60 at a distance of 4 feet. A recent study, affiliated
A DARPA program aimed at preventing attacks involving radiological “dirty bombs” and other nuclear threats has successfully developed and demonstrated a network of smartphone-sized mobile devices that can detect the tiniest traces of radioactive materials. Combined with larger detectors along major roadways, bridges, other fixed infrastructure, and in vehicles, the new networked devices promise significantly