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wellerstein's profile
Alex Wellerstein
Alex Wellerstein
Alex Wellerstein
Verified account
@wellerstein

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Alex WellersteinVerified account

@wellerstein

Historian of science, secrecy, and nuclear weapons. Professor of STS at @FollowStevens. UC Berkeley alum with a Harvard PhD. NUKEMAP creator. Coder and web dev.

Hoboken, NJ / NYC
blog.nuclearsecrecy.com
Joined September 2011

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    1. (((Lisa Hirsch)))‏ @LisaIronTongue 18 Nov 2016
      • Report Tweet

      @wellerstein apropos of today's excellent post, what are PALs? Term isn't defined in post, can't post comment from my phone.

      2 replies 0 retweets 0 likes
      Alex Wellerstein‏Verified account @wellerstein 18 Nov 2016
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      Replying to @LisaIronTongue

      Permissive Action Links. Basically electronic "locks" that make nukes unusable without codes.

      9:47 AM - 18 Nov 2016
      0 replies 0 retweets 0 likes

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