from Hacker News

Building underground tunnels for 30 second delivery times

by Mat_Sherman on 9/20/20, 9:16 PM with 1 comments

• by pwg on 9/20/20, 9:24 PM

  What was old is new again:

  > Pneumatic tube mail in New York City

  > https://en.wikipedia.org/wiki/Pneumatic_tube_mail_in_New_Yor...

  > The pneumatic tube mail was a postal system operating in New York City from 1897 to 1953 using pneumatic tubes