Hacker News
points by oakwhiz 3 days ago | 0 comments
The study didn't cover high pressure sodium bulbs, the previously popular type in street lamps.
[–] actionfromafar 3 days ago
The best light.
[–] andai 3 days ago
The article has an photo of a street full of beautiful golden HPS lamps, and one Guantanamo-grade cold LED.