The Light Of Reason Light Fantastic : Season 1 Episode 2
BBC Four 1h 00m int(0)
Aired: December 8th, 2004 @ 12:00 AM EST on BBC Four
The second programme explores the link between the development of practical tools that manipulate light and the emergence of new ideas. For example, Galileo's observation that the sun did not go around the earth, was made with a telescope that had been invented for Venetian soldiers and traders.