March 25

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Better Than News

Beyond Plausible

In Other Words

Are You Sure

• ... that in 1857, printer, bookseller, and inventor Édouard-Léon Scott de Martinville received a patent for the phonoautograph, which records an audio signal as a photographic image?

• ... that mathematician and engineer Philbert Maurice d’Ocagne founded the field of nomography, the graphic computation of algebraic equations?

Topic of the Day

Animals