Precision (3 parts)

Series in which Professor Marcus du Sautoy explores why we are driven to measure and quantify the world around us and why we have reduced the universe to just a handful of fundamental units of measurement. From the first cave paintings of Cro-Magnon man to today’s atomic clocks, he shows how our human desire for ever greater precision has changed the course of history and society.

01 Time & Distance01 Time & DistanceProfessor Marcus du Sautoy tells the story of the metre and the second – how an astonishing journey across revolutionary France gave birth to the metre, and how scientists today are continuing to redefine the measurement of time and length, with extraordinary results.
Free download: Mediafire

02 Mass & Moles02 Mass & MolesDeep underground in a vault beneath Paris lives the most important lump of metal in the world – Le Grand K. Created in the 19th century, it’s the world’s master kilogramme, the weight on which every other weight is based. But there is a problem with Le Grand K – it is losing weight. Marcus explores the history of this strange object and the astonishing modern day race to replace it.
Free download: Mediafire

03 Heat, Light & Electricity03 Heat, Light & ElectricityFrom lightning bolts and watt engines to electromagnetic waves and single electrons, Professor Marcus du Sautoy continues his journey into the world of measurement as he reveals how we came to measure and harness the power of heat, light and electricity. It’s a journey that has involved the greatest minds in science and, today, is getting down to the very building blocks of atoms.
Free download: Mediafire

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