Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
beaned
on Jan 20, 2021
|
parent
|
context
|
favorite
| on:
Establishment of a closed artificial ecosystem to ...
But how much was it relative to the total volume of concrete?
Consider applying for YC's Fall 2026 batch!
Applications
are open till July 27.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: