Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
|
pegas1's submissions
login
1.
Why is it possible to set traffic lights wrong?
4 points
by
pegas1
on Aug 30, 2015
|
past
|
3 comments
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
