3 ms·
In Europe they all used to be compared to the standard scale railcar which was kept in Paris. Recently standards have been updated to only rely on universal con
by ummwhat 5y ago
In Europe they all used to be compared to the standard scale railcar which was kept in Paris. Recently standards have been updated to only rely on universal constants. So now European freight is measured in terms of the speed of light.
- gumby 5y ago> So now European freight is measured in terms of the speed of light. Europe expands high speed rail to freight while as usual US rail is stuck in a slow speed ghetto. I don't expect the US to even catch up, much less exceed this new speed challenge.