4 ms·
The youtube channel Technology Connections has a couple of interesting articles about LED (and sodium-vapor lamp) bulbs in street lighting: https://www.youtube
by news_to_me 8y ago
The youtube channel Technology Connections has a couple of interesting articles about LED (and sodium-vapor lamp) bulbs in street lighting: https://www.youtube.com/watch?v=wIC-iGDTU40 https://www.youtube.com/watch?v=wIC-iGDTU40
(Actually, most if his videos are pretty interesting to explore, especially the ones about early TV)