afterdamp
dblum | April 12, 2010Recently, at events for my book, I sometimes find myself describing the gas carbon monoxide as a favorite poison. "It's just so efficient," I'll joke. "And I like things that work."
In an academic sense, I do respectfully admire carbon monoxide's simplicity (a carbon atom + an oxygen atom) and the way such basic chemical addition creates something so deadly. But in light of last week's mining disaster in West Virginia (the subject of two previous posts on this blog), I want to acknowledge that poisonous efficiency is mostly a formula for tragedy.
If you followed the news reports on the fiery…
dblum | April 9, 2010
The old mining term for explosive gases in coal mines is "firedamp". It seems illogical - I mean, a damp fire? - until you realize that it comes from the German word "dampf" for vapors.
There are other "damps" in mining terminology - "afterdamp", for instance, refers to the poisonous gas carbon monoxide, which tends to build up in mines after an explosion. But firedamp explicitly refers to a gas mixture rich in the flammable gas methane, which - as the recent disaster in West Virginia's Upper Branch Mine reminds us - burns like a devil's torch. Twenty-five miners were killed outright in the…