Learning With: ‘The Kilogram Is Dead. Long Live the Kilogram!’

By JEREMY ENGLE from NYT The Learning Network https://www.nytimes.com/2018/11/20/learning/learning-with-the-kilogram-is-dead-long-live-the-kilogram.html?partner=IFTTT
via IFTTT

• Tweet
• Share
• Share
• Share
• Share