early science

• Alep - uren

  A system of writing using symbols or hieroglyphs
• Ptolemy writes his book Almagest which states that the Sun and other planets orbit the Earth

  €150 AD
• The doctor Galen lives. His ideas about the human body dominated medicine for the next 1,500 years


  130-210 AD
• Atomic theory

  Theory that all matter is composed of discrete units called atoms
• Empedocles lives. He says the world is made of 4 elements, earth, water, air, and fire
• Aristotle lives, Many of his ideas are wrong but they dominate science for the next 2,000 years


  384-322 BC
• Early Science

  • Empedocles
  • Aristotle
  • Eratosthenes
  • Aglaonike
  • Galen
  • Ptolemy
  • Gilbert
  • Johannes Kepler
  • Galileo
  • Evangelista Torricelli
  • Otto von Guericke
• Aglaonike, a woman astronomer lives

  €150 AD
• Volta - Brettory
• Science in the 17th century

  Scientific revolution
• Kepler publishes 2 laws of planetary motion. Galileo observes the Heavens with a telescope


  1609
• 1600 William Gilbert shows that the Earth is a magnet
• William Harvey publishes his discovery of how blood circulates around the body


  1628
• Evangelista Torricelli invents the barometer


  1643
• Tycho Brahe observes a supernova
• Kepler publishes a 3rd law of planetary motion


  1619
• Otto von Guericke invents an air pump


  1650
• Principle of Gengology

  Study of the origin and early history of a language
• Copernicus publishes his theory that the Earth orbits the Sun

  1543
• Eratosthenes lives, He measures the circumference of the Earth
• Galileo publishes a book about mechanics called Dialogue Concerning Two New Sciences


  1634
• Johannes Kepler publishes a book on optics


  1604
• Galileo publishes Dialogue Concerning the Two Chief World Systems


  1632