An Exact Value for the Planck Constant: Why Reaching It Took 100 Years

By Stephen Downes - Stephen's Web. An Exact Value for the Planck Constant: Why Reaching It Took 100 Years
Michael Trott, Wolfram Alpha, 2016/05/20
This article could take you quite a while to finish but it's a terrific read on a subject you won't normally see in the media or on the web: standards of weights and measurements. The Treaty of the Metre was signed 241 years ago to this day (that's 51500 days) and in two years the most significant changes to le Système international d’unités (SI) system of measurement will be made since that day. More...