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<p>You haven’t? </p>
<p>[Demon</a> core - Wikipedia, the free encyclopedia](<a href=“http://en.wikipedia.org/wiki/Demon_core]Demon”>Demon core - Wikipedia)</p>
<p>[Top</a> 10 Scientists Killed or Injured by Their Experiments](<a href=“http://listverse.com/2008/06/04/top-10-scientists-killed-or-injured-by-their-experiments/]Top”>Top 10 Scientists Killed or Injured by Their Experiments - Listverse)</p>
<p>Granted, they only killed themselves. But hey, death is still death. </p>
<p>But more importantly, if math/physics produces a flawed theorem that an engineer takes to build a technology that kills somebody, why is the entire onus upon the engineer?</p>