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
Which is only to say: the "it's too big to use" story is what the US said publicly, in part because it wanted to defang PTBT critics,
7:38 AM - 17 Aug 2017
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