Measuring the Average Foot – Christmas Lectures with RV Jones

How can one estimate the average length of a foot? RV Jones shows a simple yet elegant demonstration.
Watch the full lecture: http://www.rigb.org/christmas-lectures/watch/1981/from-magna-carta-to-microchip/principles-standards-and-methods?utm_source=youtube&utm_medium=social&utm_term=description

RV Jones gave the 1981 Christmas Lectures “From Magna Carta to Microchip” which explores what measurement is, the principles by which measurements can be made, and why their applications have been of so much importance in the advance of science and in the development of technology

In his first lecture, “Principles, Standards and Methods”, RV Jones looks at the evolution number systems and standards.

Watch the full series: http://www.rigb.org/christmas-lectures/watch/1981/from-magna-carta-to-microchip?utm_source=youtube&utm_medium=social&utm_term=description

The Ri is on Twitter: http://twitter.com/ri_science
and Facebook: http://www.facebook.com/royalinstitution
and Tumblr: http://ri-science.tumblr.com/
Our editorial policy: http://www.rigb.org/home/editorial-policy
Subscribe for the latest science videos: http://bit.ly/RiNewsletter