The U.S.

National Nuclear Security Administration conducted a non-nuclear chemical high-explosive experiment Wednesday at the Nevada National Security Site, aimed at improving the ability to detect low yield nuclear explosions, according to the Department of Energy (DoE). The test, conducted underground in the "P Tunnel" in Area 12 using chemical high-explosives and radiotracers, specifically targeted detection of "decoupled" explosions, a technique that can reduce the seismic signature of a nuclear test to evade monitoring. U.S. officials have alleged earlier this year that China conducted a secret decoupled nuclear test in June 2020 as part of its push for a new, broader arms control treat

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