EditorialNapiers bones (first instruments used to calculate Logarithms), a compass, a square and some of Isaac Newtons manuscripts on his work table in the Trinity College Library.
EditorialDeshaun Watson, the NFL quarterback, and his lawyer, Rusty Hardin, right, speak to reporters after a grand jury rejected all nine criminal complaints presented by prosecutors against him in Houston, March 11, 2022. (Callaghan O'Hare/The New York Times)
EditorialPalestinian students learn the Arithmetic skill using the International Mental Arethmetic "IMA Smart", Gaza city, Gaza Strip, Palestinian Territory - 07 Feb 2022
EditorialNapiers bones (first instruments used to calculate Logarithms), a compass, a square and some of Isaac Newtons manuscripts on his work table in the Trinity College Library.
EditorialBallestilla (Jacob's staff). Navigational instrument used to calculate the height of the sun and other celestial bodies over the horizon for use in nautical navigation. 16th century. Mar?a Pita House Museum. Corunna, Galicia, Spain.
EditorialOfficials calculate the caucus precinct totals at Washington Middle School in Dubuque, Iowa, on Monday night, Feb. 3, 2020. (Mark Makela/The New York Times)
EditorialCaliber or Maasz staff examine in the Pyrotechnie, Aid to calculate the diameter of a sphere, B: Fig. 8-10, to p. 14, 1730, Kazimierz Siemienowicz, Daniel Elrich, Thoma Leonhard Beeren: Vollkommene Gesch?tz-Feuerwerck- Und B?chsenmeisterey-Kunst: Hiebe...
EditorialDuncannon Fort, County Wexford, Leinster, Ireland. This map shows Duncannon fort in County Wexford. It dates from around 1611 and is therefore contemporary with the English plantation scheme. This scheme aimed to establish an English colony in Ulster ...
EditorialNapiers bones (first instruments used to calculate Logarithms), a compass, a square and some of Isaac Newtons manuscripts on his work table in the Trinity College Library.
EditorialNapiers bones (first instruments used to calculate Logarithms), a compass, a square and some of Isaac Newtons manuscripts on his work table in the Trinity College Library.
EditorialThe Sloane Astrolabe, around 1300. The star pointers for the rete are zoomorphic, mostly in the form of a dog's head or dragon's head. The tips of the animals' tongues form the actual pointers. Several calendrical scales, also engraved on the back, ena...
EditorialA set of Hematite weights from Ur, southern Iraq, 1900-1600 BCE. Hematite was consistently used in Mesopotamia for weights from the late 3rd milennium BC; it is a hard stone which wears well and it would be obvious if it had been tampered with. A syste...