| AnyCPU http://anycpu.org/forum/ |
|
| Grand Central's Hidden Sub-Basement Has A 102-Year-Old Compu http://anycpu.org/forum/viewtopic.php?f=22&t=244 |
Page 1 of 1 |
| Author: | Chuckt [ Fri Oct 16, 2015 5:37 pm ] |
| Post subject: | Grand Central's Hidden Sub-Basement Has A 102-Year-Old Compu |
Video: Grand Central's Hidden Sub-Basement Has A 102-Year-Old Computer http://gothamist.com/2015/10/15/grand_c ... hp#photo-1 |
|
| Author: | Chuckt [ Mon Oct 19, 2015 2:57 am ] |
| Post subject: | Re: Grand Central's Hidden Sub-Basement Has A 102-Year-Old C |
Another look at it here: http://hackaday.com/2015/10/17/retrotec ... -computer/ |
|
| Author: | BigEd [ Sat Nov 14, 2015 2:43 pm ] |
| Post subject: | Re: Grand Central's Hidden Sub-Basement Has A 102-Year-Old C |
There's an interesting long article on the New York subway's signalling, and a video too. https://www.youtube.com/watch?v=Mjx3S3UjmnA It seems that safety is maintained by interlocking - whether mechanical or 300,000 relays depends on which part of the system you look at. There's a simulator for Windows or OSX here: http://www.nycsubway.org/wiki/NXSYS,_Si ... _Simulator Here's the long article: http://www.theatlantic.com/technology/a ... re/415152/ |
|
| Page 1 of 1 | All times are UTC |
| Powered by phpBB® Forum Software © phpBB Group http://www.phpbb.com/ |
|