Manchester explosion

Steven Schear schear.steve at
Mon May 22 16:39:14 PDT 2017

That and the 'ol carbide cannons.
Warrant Canary creator

On May 22, 2017 4:35 PM, "jim bell" <jdb10987 at> wrote:

> I am reminded of some experiments I did around 40-45 years ago, filling
> relatively small  (1 foot diameter) balloons with stoichiometric
>     mixtures of hydrogen and
> oxygen (or another fuel gas and oxygen, example propane), if ignited they
> produce remarkably loud-sounding, and yet low-pitched "booms":  Sounded
> like a huge explosion done a long distance away.  Yet, there was no
> possibility of shrapnel, other than a thin rubber membrane.    This could
> easily scare people in a crowded venue, causing panic and crushing crowds.
> Perhaps this explains what is being reported as happening in the
> Manchester arena.
>               Jim Bell
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