re boom whoosh in article apr mnemosyne cs du edu wdwells nyx cs du edu david fuzzy wells writes i love the idea of an inflatable mile long sign it will be a really neat thing to see it explode when a bolt or even better a westford needle comes crashing into it at clicks a sec pageos and two echo balloons were inflated with a substance which expanded in vacuum once inflated the substance was no longer needed since there is nothing to cause the balloon to collapse this inflatable structure could suffer multiple holes with no disastrous deflation bruce watson wats scicom alphacdc com bulletin item extract
