- #1
RaamGeneral
- 50
- 1
I mean, we defined a second to be the duration of 9192631770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom [copied from wikipedia].
A meter is the distance traveled by light in 1/299792458 second.
Why can't we define a kilogram as 9.10938356E31 * Electron mass?
A meter is the distance traveled by light in 1/299792458 second.
Why can't we define a kilogram as 9.10938356E31 * Electron mass?