The OSA 3200 SP addresses the need for a cost-optimized PRC-class cesium clock with standard performance, while the OSA 3250 ePRC is tailored for PNT applications that demand enhanced holdover ...

Shrestha Rath is a doctoral student in the health security track at Johns Hopkins Bloomberg School of Public Health. Her research interests include biosecurity and the governance of emerging ...

The only instances of atomic weapons being used against a civilian population occurred in 1945 at the tail end of World War II. On August 6, 1945, “Little Boy” was detonated above the Japanese city of ...