Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
raptor99
on June 29, 2021
|
parent
|
context
|
favorite
| on:
Concrete: The material that's 'too vast to imagine...
This just in! There is more rock on/in Earth with greater mass than trees and animals on Earth!
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
