How did #Tsar bomba - largest #nuclear weapon ever tested - contribute to 1963 Partial Test-Ban treaty http://www.bbc.com/future/story/20170816-the-monster-atomic-bomb-that-was-too-big-to-use …
Replying to @ctbto_alerts
in fact, issue of "Soviet supremacy" in "very high yield" bombs was major issue that pro-PTBT advocates had to address.
7:36 AM - 17 Aug 2017
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