Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
nitrogen
on May 3, 2012
|
parent
|
context
|
favorite
| on:
1859's "Great Auroral Storm"—the week the Sun touc...
Refineries, maybe, but they're all equipped with on-site backups and the technology is pretty much mechanical, except for some electronic components that are non-essential.
Most of a modern refinery is controlled by PLCs and computers.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
Most of a modern refinery is controlled by PLCs and computers.