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A comment on 2019 redefinition of the SI base units. Parent comment

Re:2019 redefinition of the SI base units by kriztw on Monday July 01, 2019 @05:07PM (#20329765)
The old definitions are still essentially correct, so for teaching nothing really changes except the word "approximately" being inserted somewhere.
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Re:2019 redefinition of the SI base units by hoten on Monday July 01, 2019 @05:28PM (#20329935)
Right. So in other words, the SI unit definitions are for scientists wishing to affirm the base units, but the old definitions are superior for education purposes (well, except maybe for the prototype kilogram...)
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Re:2019 redefinition of the SI base units by peter303 on Monday July 01, 2019 @05:32PM (#20329957)
The pre-prototype kilogram is essentially valid- mass of liter of water. But now in terms of physical constants.
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