Redefining the kilogram and the ampere
Thursday, September 29, 2011 - 09:30
in Physics & Chemistry
New research using graphene presents the most precise measurements of the quantum Hall effect ever made, one of the key steps in the process to redefine two Système Internationale d'unités (SI) units. New research is underpinning the biggest change in the SI Units since the system began 50 years ago.