Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
kortilla
7 months ago
|
parent
|
context
|
favorite
| on:
Why are smokestacks so tall?
That’s secondary. Smoke stacks were tall long before people cared about pollution (1800s).
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
