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https://www.semanticscholar.org/topic/iridium-192/247914 iridium 192 | Semantic Scholar A radioactive isotope of iridium. Iridium-192 emits gamma rays and has a half-life of 74 days. A high dose rate of this radioisotope can be used in... iridium 192semanticscholar https://www.livescience.com/53773-what-is-radioactive-iridium-192.html Stolen Radioactive Material: What Is Iridium-192? | Live Science Feb 18, 2016 - While the iridium-192 radioactive material allegedly lost in Iraq is unlikely to cause mass casualties, it could spark terror in the population, one expert... radioactive materialwhat isiridium 192stolenlive