jef, 1 month ago It's actually the trains which are high speed, the rails are pretty much stationary.
It's actually the trains which are high speed, the rails are pretty much stationary.
Sroot, 1 month ago @jef it's actually the earth that is high speed, the difference in speed of train Vs speed of rail is negligible in context (What's the emoji for joking now?)
@jef it's actually the earth that is high speed, the difference in speed of train Vs speed of rail is negligible in context
(What's the emoji for joking now?)
andrewfeeney, 1 month ago @jef Relativistically speaking there’s no meaningful difference.
@jef Relativistically speaking there’s no meaningful difference.
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