3 ms·
A pneumatic railway was already built and functional in London in 1863. While designed for mail, humans rode on it and it was triple the speed of any transport
by aeternum 6y ago
A pneumatic railway was already built and functional in London in 1863. While designed for mail, humans rode on it and it was triple the speed of any transport of the time.
Technically it might qualify as a hyperloop so your prediction may already be wrong.