Episode details
Available for over a year
Scientists will meet this week to redefine the kilogram. Dr Chris North from Cardiff university explains what is going on.
Programme WebsiteUse 91福利社.com or the new 91福利社 App to listen to 91福利社 podcasts, Radio 4 and the World Service outside the UK.
Available for over a year
Scientists will meet this week to redefine the kilogram. Dr Chris North from Cardiff university explains what is going on.
Programme Website