File:110213 LED vs Sodium vs Mercury.jpg
From Infogalactic: the planetary knowledge core
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Summary
Crossroad in Alessandria, Italy. Road lights with mercury lamps are in the background, LED street lights are in the middle, while high pressure sodium lamp are in the foreground. Supposed superiority of "blue-while" lighting is at best questionable for common road applications
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 17:14, 14 January 2017 | | 1,152 × 768 (89 KB) | 127.0.0.1 (talk) | Crossroad in Alessandria, Italy. Road lights with mercury lamps are in the background, LED street lights are in the middle, while high pressure sodium lamp are in the foreground. Supposed superiority of "blue-while" lighting is at best questionable for common road applications |
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