I read with great interest the article by Katherine Bourzac “Divining the Mysteries of the Atomic Nucleus” in the Jan. 29, 2024, issue of C&EN (page 30). Curious readers might like to know that an ...

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“It seemed the right time on the page ... it suited my eye.” That’s how Martyl Langsorf responded when asked why the hands of the Doomsday Clock were placed at seven minutes to midnight back in 1947.