Wiki sez:
The redefinition of SI units is planned to take effect on 20 May 2019. The value of the constant will be fixed to exactly 6.022 140 76 × 10^23
Wiki sez:
The redefinition of SI units is planned to take effect on 20 May 2019. The value of the constant will be fixed to exactly 6.022 140 76 × 10^23