March 25

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Are You Sure ... (March 25)

• ... 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?


Screenshot: Are You Sure (March 25, 2021)


On This Day in History and Fiction

  • 1655: Saturn's largest moon, Titan, is discovered by Christiaan Huygens.

    1655: Saturn's largest moon, Titan, is discovered by Christiaan Huygens.

  • 1857: Printer, bookseller, and inventor Édouard-Léon Scott de Martinville is receives a patent for the phonoautograph, which records an audio signal as a photographic image.

    1857: Printer, bookseller, and inventor Édouard-Léon Scott de Martinville is receives a patent for the phonoautograph, which records an audio signal as a photographic image.

  • 1860: Surgeon and gentleman scientist James Braid dies. He was an important and influential pioneer of hypnotism and hypnotherapy.

    1860: Surgeon and gentleman scientist James Braid dies. He was an important and influential pioneer of hypnotism and hypnotherapy.

  • 1862: Mathematician and engineer Philbert Maurice d’Ocagne born. He will found the field of nomography, the graphic computation of algebraic equations, on charts which he will called nomograms.

    1862: Mathematician and engineer Philbert Maurice d’Ocagne born. He will found the field of nomography, the graphic computation of algebraic equations, on charts which he will called nomograms.

  • 1923: Art critic and alleged time-traveler The Eel escapes from the Nacreum, a transdimensional prison made of artificially intelligent, self-assembling nacre.

    1923: Art critic and alleged time-traveler The Eel escapes from the Nacreum, a transdimensional prison made of artificially intelligent, self-assembling nacre.

  • 1925: John Logie Baird gives the first public demonstration of moving silhouette images by television at Selfridges department store in London in the first of a three-week series of demonstrations.

    1925: John Logie Baird gives the first public demonstration of moving silhouette images by television at Selfridges department store in London in the first of a three-week series of demonstrations.

Daily Favorites


Animals

  • Cretaceous Office Supplies is an unlicensed transdimensional corporation which provides office supplies and associated support services to the Cretaceous period (the longest geological period of the entire Phanerozoic). Now offering "It's Nearly K–Pg Boundary Time!" rush delivery within a half-million years — Guaranteed.

    Cretaceous Office Supplies is an unlicensed transdimensional corporation which provides office supplies and associated support services to the Cretaceous period (the longest geological period of the entire Phanerozoic). Now offering "It's Nearly K–Pg Boundary Time!" rush delivery within a half-million years — Guaranteed.

  • The 1508 Council of Rats holds Arithmetica for ransom. See APTO Math Crimes Unit War Diary (11 March 2021).

    The 1508 Council of Rats holds Arithmetica for ransom. See APTO Math Crimes Unit War Diary (11 March 2021).

  • Monumental Barkitecture is a canine modern dance company famed for their imitations of monuments, ziggurats, and other large-scale sculptural works.

    Monumental Barkitecture is a canine modern dance company famed for their imitations of monuments, ziggurats, and other large-scale sculptural works.

  • CSI: Reptile Gastrointestinal Unit is a television crime drama show featuring a team of herpetological gastroenterologists who solve crimes related to reptile ingestion, digestion, and excretion.

    CSI: Reptile Gastrointestinal Unit is a television crime drama show featuring a team of herpetological gastroenterologists who solve crimes related to reptile ingestion, digestion, and excretion.

  • "We Three Frogs" is a popular Christmas song about Oophaga histrionica, the Harlequin Frog, also known as the Harlequin Magi Poison-Dart Frog, legendary for attending the Adoration with gifts of gold, frankincense, and tadpole eggs.

    "We Three Frogs" is a popular Christmas song about Oophaga histrionica, the Harlequin Frog, also known as the Harlequin Magi Poison-Dart Frog, legendary for attending the Adoration with gifts of gold, frankincense, and tadpole eggs.

  • Advertisement for Baby Sarlacc.

    Advertisement for Baby Sarlacc.

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