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Plans are underway to redefine the International System of Units (SI) around 2018. The new SI specifies the values of certain physical constants to define units. This article explains the new SI in a way that could be used to present it to high-school physics classes.
Mohr, P.
, Knotts, S.
and Phillips, W.
(2016),
An introduction to the new SI, The Physics Teacher, [online], https://doi.org/10.1119/1.4972491
(Accessed June 9, 2023)