3 ms·
We DO have compasses with a "North" and "South" heading. And they are pretty useful sometimes.
by geoduck14 5y ago
We DO have compasses with a "North" and "South" heading. And they are pretty useful sometimes.
- ironmagma 5y agoRight, and those mean something already in a global sense. Nothing is being redefined there, changing it from a local coordinate system into a global coordinate system. Time is a local coordinate.