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December 2024

Q: You’re playing a game that requires you to turn over five playing cards, each with a different phrase on it. You must turn back over any card(s) bearing unrelated phrases, and craft a sentence that shows the relationship among the remaining phrases. Your cards say: “The horn of a passing train.” “Spectroscopy.” “Reynolds Number.” “19th Century Austrian mathematician.” “Moving Target Indication.” Which cards would you leave face up, and what would your sentence say?

Send a response of up to 250 words to aeropuzzler@aerospaceamerica.org. By responding, you are committing that the thoughts and words are your own and were not created with the aid of artificial intelligence. DEADLINE: noon Eastern Dec. 10.

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FROM THE NOVEMBER ISSUE:We asked you to describe the phenomena that birds and jets take advantage of when flying in formation. Haithem Taha of the University of California, Irvine reviewed your answers. Check back on Dec. 1 to see the winning response.