Post AvBI6Mg8mbJFrxc5mi by DenOfEarth@mas.to
 (DIR) More posts by DenOfEarth@mas.to
 (DIR) Post #AvBI6LD2FKQxJOzKmO by scruss@xoxo.zone
       2025-06-15T21:47:32Z
       
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       @MikeStok I remember doing some crude modelling of those at uni and it was very scary. We were studying events like Feyzin, which was very grim indeed.Pressure vessel design is a fairly new thing. One of my profs (admittedly he was past retirement in the early 1990s) had worked on the first non-spherical tank analysis
       
 (DIR) Post #AvBI6Mg8mbJFrxc5mi by DenOfEarth@mas.to
       2025-06-15T23:39:58Z
       
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       @scruss @MikeStok I remember our high school chemistry prof in the 80s telling us that he _used to_ perform a demonstration on the exposed surface of a given flammable volume, by putting a small funnel of flour inside a large milk barrel, next to a lit candle, attach a decent length of hose to the bottom of the funnel and have a student blow the flour from a tightly packed cone into an airborne mist.Kaboom.He lamented that for safety reasons they no longer did so (!)
       
 (DIR) Post #AvBI6NiIw2dP4xdKnQ by scruss@xoxo.zone
       2025-06-16T02:06:04Z
       
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       @DenOfEarth @MikeStok Oh, you didn't get to do that? Dang. My dad even did it at home with custard powder.Then again, I did go to a school that had an amazingly lax idea of what was safe. We had a huge crock of mercury, likely as old as the school.
       
 (DIR) Post #AvBI6ObbcQs1qTVUzg by vik@mastodon.nzoss.nz
       2025-06-16T07:36:57Z
       
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       @scrussIn my school, I was probably the main safety hazard in the science block.The  pièce de résistance was probably the time I got a facefull of boiling sulphuric acid, phosphorus, ethanol, and iodine. Legit but long story. Fortunately all on the outside of the face mask, but it did my lab coat no favours.@DenOfEarth @MikeStok
       
 (DIR) Post #AvCLlvhVyD3ZNkj9Sy by DenOfEarth@mas.to
       2025-06-16T19:52:56Z
       
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       @vik @scruss @MikeStok Relevant historical toot:https://mas.to/@DenOfEarth/112501906270287707
       
 (DIR) Post #AvCMPZl2yONmuVHgEC by vik@mastodon.nzoss.nz
       2025-06-16T20:00:05Z
       
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       @DenOfEarthHa, I recognize that detonation. Keep it with a tight stopper in and you crush it and it goes off. Keep it with a soft stopper and it dries out, then it goes of. Get any copper near it and squint in its general direction, and it goes off. Great fun toy.@scruss @MikeStok