Science & Technology
In this episode Simon Schaffer, Professor of History of Science at the University of Cambridge, visits three events pivotal to the genesis of Isaac Newton's paradigm-shattering book the Principia Mathematica.
For most of history, different peoples, cultures and religious groups have lived according to their own calendars. Then, in the 11th century, a Persian scholar attempted to create a single, universal timeline for all humanity.
The 19th and 20th centuries saw a revolution in Chinese forensic science, when traditional techniques were replaced by new methods from the West. Today, the world confronts another moment of transformation in forensic science.