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<p>A dear friend in college took Organic Chemistry as a pre-req to Medical School application. Very important class. On the final, the students were asked to produce the chemical drawings (molecular formula?) of various substances. One was for TNT. My friend just couldn’t remember it. So he drew a picture of a stick of dynamite with a sparkling wick, just because he couldn’t come up with anything better.</p>
<p>The professor was apparently very amused, because he put a check mark by the drawing, with a smiley face accompanied by the comment “Ha ha. Merry Christmas.” My friend got full credit. </p>
<p>So you just never know. :)</p>