Alex Wellerstein on Twitter: "Calculation of the day: How many smoke detectors would it take to get enough Am-241 to make an atomic bomb? Answer: Between 50-200 billion."

@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

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1. Alex‏ @extremedignity 12 Jul 2015
  
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  @wellerstein The home depots here in manhattan are small, so they don't carry that many.
  
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1. LookAnOwl‏ @Look4n0wl 12 Jul 2015
  
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  @wellerstein ah ha so not to get any unwanted attention one should buy 1 a day. Cash of course...
  
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1. Joshua H. Pollack‏ @Joshua_Pollack 12 Jul 2015
  
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  @wellerstein Well! Better get cracking.
  
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