For those actually curious of the details of all those changes, Wikipedia has a good overview: https://en.wikipedia.org/wiki/Proposed_redefinition_of_SI_base_u

For those actually curious of the details of all those changes, Wikipedia has a good overview: https://en.wikipedia.org/wiki/Proposed_redefinition_of_SI_base_units https://en.wikipedia.org/wiki/Proposed_redefinition_of_SI_ba...