Objectif Monde L'hebdo

Redefining the second

A minor revolution is underway in the field of measurements. All around the world, specialists in this area are aiming to agree over the next decade on a new definition of the second, the basic unit of time.
A report by Gaëlle Lussiaà-Berdou for Radio-Canada's magazine programme "Découverte".

Guests: Gaëlle Lussiaà-Berdou, journalist at Radio-Canada; Laurence-Isaline Stahl-Gretsch, curator at the Geneva Museum of Science History.

Presenter: Dominique Laresche.