4 ms·
> that the speed of light is 299,792,458 m/s This is currently a fixed constant, not an observed quantity, because of the way the metre is defined.
by anticensor 3y ago
> that the speed of light is 299,792,458 m/s
This is currently a fixed constant, not an observed quantity, because of the way the metre is defined.
- leereeves 3y agoTrue, but that means the length of a meter is a scientific observation we can't individually duplicate.