Isaac Asimov wrote about carelessness with helium in his 1977 essay "The Vanishing Element," published in American Airlines on-board magazine "The American Way.

Isaac Asimov wrote about carelessness with helium in his 1977 essay "The Vanishing Element," published in American Airlines on-board magazine "The American Way." I can't find a copy of it online but I did read it at the time.