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The year 1602 in science and technology involved some significant events.

Astronomy

  • Thomas Blundeville publishes The Theoriques of the Seuen Planets, assisted by Lancelot Browne.

Chemistry

  • Vincenzio Cascarido discovers barium sulfide.
  • Commencement of publication of Theatrum Chemicum, a compendium of European alchemical writings.

Exploration

  • May 15 – Bartolomew Gosnold becomes the first European to discover Cape Cod.
  • Henry Briggs publishes his first mathematical work A Table to find the Height of the Pole, the Magnetical Declination being given in London.

Medicine

  • Felix Plater publishes Praxis medica classifying diseases by their symptoms.

Physics

  • Galileo begins his study of falling bodies.