110213_LED_vs_Sodium_vs_Mercury.jpg
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Summary
| Description |
English:
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 | |
| Source | Own work |
| Author | GiancarloGotta |
Licensing
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I, the copyright holder of this work, release this work into the
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In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose , without any conditions, unless such conditions are required by law. |