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View Diary: Boston, MA vs West, TX (281 comments)

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  •  Reverse the order. (1+ / 0-)
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    The plant came first, the schools, etc came later.  It did start as a grain storage, the fertilizer sales came later.  So when they sited the schools, it might not have been quite so dangerous.

    Then again grain silo's blow up.  (stir up the grain dust, then add a spark.)  Its an explosion, not a detonation, but since silo's tend to be large, the explosion is nothing to sneeze at, so they should have found different sites for them.

    for those unfamiliar with the terms, an explosion is the result of pressure build up due to burning in an enclosed space.  Gunpowder explodes - lighting a pile of loose gunpowder gives you some flame, and a huge cloud of smoke.  You want a bang, you have to confine it (in a pressure cooker for example)  Pressure builds, the container ruptures, and you get a shock wave.

    Detonation is a different process, If a material detonates, a supersonic shock wave travels thru the material.  You don't have to confine it.  Most detonations are shock triggered - think nitroglycerin.   You can do things like put a strip of a high explosive next to a steel beam, detonate, and it will cut the beam.

    This planet needs a lot more kids who think taking a lawnmower apart is more fun than playing a videogame.

    by rjnerd on Sun Apr 21, 2013 at 08:14:10 PM PDT

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    •  I appreciate your response (1+ / 0-)
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      I guess I'm so annoyed that it doesn't really matter which came first. I'm just so tired of all the stupid, greedy, idiotic
      things that go "Boom" and destroy people who deserved none of it.

      But thanks for taking your are not my target.

      Three things cannot be hidden: the sun, the moon, and the truth. Buddha

      by brook on Sun Apr 21, 2013 at 08:36:59 PM PDT

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