Precision: The Measure of All Things

Measurement has helped to define and advance civilisation, and been key to all the great leaps in science. It has taken us from stone age skymaps to the exploration of outer space. Without accurate time the internet wouldn't work, GPS would be impossible and your phone would be useless. Packed with cutting-edge science and jaw-dropping examples from the modern world, this is our journey from sundials and cubits to time lords and lasers.


Air Date: October 15, 2013 - 58:49
From lightning bolts and watt engines to electromagnetic waves and single electrons, our final program looks at the measurement of light, electricity and heat.
Air Date: October 08, 2013 - 58:33
This program charts the history of mass measurement and the modern day race to replace the kilo with something more stable.
Air Date: October 01, 2013 - 59:00
Time isn't what it used to be and neither is length! This program looks at how our ancient ancestors first made measurements.