Professor John Madigan of St. Thomas' College (St. Paul, Minn.) is tired of marking stupid examination papers for his class in physics. Last week's batch was particularly exasperating. Some of the papers reminded him of dead fish and rotten eggs. When he handed the papers back to their authors, he did so in a new way. None of the papers was marked, but flunkers found theirs in a jar from which came the rotten-egg stench of hydrogen sulphide. The papers of even more hopeless dummies Professor Madigan had permeated with butyric acid, for...
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