How To Detect A Secret Nuclear Test

The video explains the global monitoring system for detecting nuclear explosions, which includes atmospheric, underwater, and underground detection methods. Atmospheric explosions are detected using infrasound detectors, underwater blasts with hydroacoustic sensors, and underground explosions with seismometers. Radio nuclide detection is crucial for confirming nuclear activity. The video also discusses the challenges of monitoring and the need for international cooperation and treaty ratification.

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