Now showing items 40-47 of 47

    • Phases of Venus: Riccioli, New Almagest 

      Magruder, Kerry; Purkaple, Brent (2018)
      The phases of Venus were an item of discussion in early modern Europe as scientists sought to determine whether it was evidence of the heliocentric system. Yet among the scientists it was anything but conclusive that this ...
    • Pythagorean Solids: Five Regular Solids 

      Magruder, Kerry (2015)
      Throughout history the regular solids were a point of intrigue by astronomers, mathematicians, artists, and philosophers. The Pythagoreans proved that there are only five regular solids: the cube, triangle, octahedron, ...
    • Relativity of Motion: The Moving Ship Thought Experiment 

      Magruder, Kerry (2015)
      Galileo's "Dialogue on the Two Chief Systems of the World," includes a discussion about dropping balls from the mast of both a moving ship and a ship at rest in order to test the theory of inertia. If sailors actually had ...
    • Six Cosmological Systems: Geocentric vs. Heliocentric 

      Magruder, Kerry; Purkaple, Brent (2018)
      Explore the various cosmological systems in the early modern world with this learning leaflet, while at the same time utilizing your inductive reasoning skills.
    • Six Cosmological Systems: Phases of Venus 

      Magruder, Kerry; Purkaple, Brent (2018)
      It is often thought that Galileo's discovery of the phases of venus demonstrated the contested heliocentric model of the universe. However, such an understanding is overly simplistic of the early modern account of astronomy. ...
    • The Trial of Galileo 

      Magruder, Kerry (2017)
      The story of Galileo’s trial in 1633 intertwines two crucial earlier episodes: 1. Galileo’s encounter with the Inquisition in 1616; and 2. Publication of Galileo’s Dialogue on the Two Chief Systems of the World in ...
    • Urania's Mirror: Constellation Cards 

      Magruder, Kerry (2015)
      Urania's Mirror was a set of constellation cards designed to aid in the teaching and learning of constellations. This set includes 32 cards, each focused upon one or a few constellations. Holes punched in the positions of ...
    • Wondertooneel: Women and Museums 

      Magruder, Kerry (2015)
      Levinus Vincent, a wealthy Dutch merchant with ties to the East Indies, created a spectacular 'Chamber of Wonders' natural history museum in Haarlem. Visiting dignitaries admired his museum, including Peter the Great and ...