Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
aw1621107
37 days ago
|
parent
|
context
|
favorite
| on:
How Has Roman Concrete Lasted for Millennia? 1,900...
Just FYI, I think you're looking for "(in) tension" instead of "(on) traction".
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: