Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
Edwin D. Babbitt's Principles of Light and Color (1878)
(
publicdomainreview.org
)
1 point
by
prismatic
60 days ago
|
hide
|
past
|
favorite
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
