Catch up TV
Precision: The Measure of All Things
Series exploring why we are driven to measure and quantify the world around us.
Precision: The Measure of All Things Episodes
Heat, Light And Electricity
From lightning bolts to single electrons, Marcus du Sautoy reveals how we came to measure and harness the power of heat, light and electricity.
10-07-2014
BBC 4
Mass And Moles
Marcus du Sautoy explores the history of Le Grand K - the world's master kilogramme - and the race to replace it now that it has been discovered to be losing weight.
03-07-2014
BBC 4
Time And Distance
Professor Marcus du Sautoy explores why we are driven to measure and quantify the world around us. He begins by telling the story of the metre and the second.
26-06-2014
BBC 4