An ancient Greek geared mechanism, apparently a device for astronomical calculation.
On the historical interactions of science and religion. (From PBS.)
History from Benjamin Franklin to the present. U.S. law and practice. Worldwide time change dates.
Documents the historical formation and cultural foundations of the movement to conserve and protect America's natural heritage.
Information about the archive's collections of letters (e.g. Goethe, Humboldt) and drawings (e.g Ferdinand Lucas Bauer).
Timeline of the history of science and technology from 20,000 BC to 1800.
Online database of medieval and renaissance scientific instruments made before 1600 A.D. held at four European museums.
A science museum in Ireland devoted to the astronomical, engineering botantical and photographical work of the Parsons family.
Study guide which includes timelines, biographies, glossaries, diagrams, bibliographies, and original research.
History of rational philosophy, scientific method, epistomology and technology in ancient India.