Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
vorg
on Feb 27, 2011
|
parent
|
context
|
favorite
| on:
Why didn't the Romans have hot air balloons?
Northern Europe= UK+France+Germany+others
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
