The article was very nicely written and covered a lot of points. One thing I would like to say thought, according to the dry ice website, dry ice was actually discovered and not invented. Dry ice the produce was trademarked by the people that first sold it.
-Tucker
Welcome to the Straight Dope Message Boards, Tucker, we’re glad to have you with us. When you start a thread, it’s helpful to other readers to provide a link to the staff report you’re commenting on. Helps keep us all on the same page, and saves searching time. In this case, I assume it’s: What exactly is dry ice? - The Straight Dope
No biggie, you’ll know for next time.
And Karen does use “invented” in quotation marks, meaning that she’s making a joke.
For a sec, I thought the title was “Dry Ice Addiction” and I pictured pushers and junkies and “freezing galleries” where addicts injected or sniffed vapours or whatever.