Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
DaveZale
17 days ago
|
parent
|
context
|
favorite
| on:
Prussian Blue
The synthetic dyes industry made Germany very rich in the 19th century. Turning coal tar into many brilliant colors enables simple fabrics to be alluring and valuable.
Consider applying for YC's Winter 2026 batch! Applications are open till Nov 10
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: