Cornwall has a secret giant wave. Champion surfer Tom Butler is on a mission to find this monster off the wild north Cornish coast, but will it be too dangerous to ride? Show more
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Precision: The Measure of All Things
Episode 1: Time and Distance
1 hour
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. Show more
Precision: The Measure of All Things
Episode 2: Mass and Moles
1 hour
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. Show more
Precision: The Measure of All Things
Episode 3: Heat, Light and Electricity
1 hour
From lightning bolts to single electrons, Marcus du Sautoy reveals how we came to measure and harness the power of heat, light and electricity. Show more