Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
zelias
on Oct 11, 2018
|
parent
|
context
|
favorite
| on:
Self-healing material can build itself from carbon...
In places with rain, this problem can be solved with rain
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: