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

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

By JEREMY ENGLE from NYT The Learning Network https://ift.tt/2QYmYGY

via Blogger https://ift.tt/2PFaNCA
November 20, 2018 at 02:39PM
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