4 ms·

This is ancient technology, literally over a century old. https://en.wikipedia.org/wiki/London_Post_Office_Railway https://en.wikipedia.org/wiki/London_Post_Off

This is ancient technology, literally over a century old. https://en.wikipedia.org/wiki/London_Post_Office_Railway https://en.wikipedia.org/wiki/London_Post_Office_Railway See also, the Chicago Tunnel Company: https://en.m.wikipedia.org/wiki/Chicago_Tunnel_Company https://en.m.wikipedia.org/wiki/Chicago_Tunnel_Company According to Wiki, Chicago's started running in 1906, and London's in 1927.

diordiderot 5y ago
That argument seems parallel to 'Yeah nothing cool about M1 Mac. We've had transistors for decades.'
- bombcar 5y ago
  I mean the M1 exists and you can go buy one. Paper processors get released all the time.
- Arnt 5y ago
  Well, there's nothing really novel about CST, is there? What's cool is how it puts together elements, IMO.
adolph 5y ago
In the year 90 [i]n the former Roman province of Syria (located in modern day Jordan), researchers are currently studying a sensational canal system. It extends mostly underground over a distance of 106 kilometers (66 miles). https://www.spiegel.de/international/world/rome-s-tremendous-tunnel-the-ancient-world-s-longest-underground-aqueduct-a-612718.html https://www.spiegel.de/international/world/rome-s-tremendous... https://en.wikipedia.org/wiki/Gadara_Aqueduct https://en.wikipedia.org/wiki/Gadara_Aqueduct