Replies

  • Hello xxxxpapillon:
    Thanks alot for your sharing ...So do you think the white ones are more safe for our eyes..
    Have a nice time..
    Emilie

    xxxxpapillon said:
    hi Emilie ,
    nice topic , as i know yellow lights consume more energy , but they are cheaper than other kind of lights who save energy like the white one .
    papillon
  • Hello Saso:
    Thanks alot for you my dear..May be as Kamel and Sara said,they are more efficent for the energy and useful in the fog weather.
    Have a nice day dear..
    Emilie

    Saso said:
    Hello dear flower ,
    Iam really wondering like you and I really feel bad when i look at them
    i feel my eyes become sleepy ^_^

    Thanx Emi , nice to know
  • Hi lovely sara:
    Thanks alot my dear for your information..Have a nice day..
    Emilie

    sara bennani said:
    Hi Emilie,
    • Thanks for the nice topic, I think it is something to do with the yellow lights giving best visibility in fog.

    There is no good reason why fog lights are yellow. Here is an
    excellent explanation provided by Professor Craig Bohren of Penn State
    University:


    "First I'll give you the wrong explanation, which you can find here and
    there. It goes something like this. As everyone knows, scattering (by
    anything!) is always greater at the shortwavelength end of the visible
    spectrum than at the longwavelength end. Lord Rayleigh showed this, didn't
    he? Thus to obtain the greatest penentration of light through fog, you
    should use the longest wavelength possible. Red is obviously unsuitable
    because it is used for stop lights. So you compromise and use yellow
    instead.


    Or may be to not attract many bugs hahahah

    Have a sweet day
    sara
  • Hello dear flower ,
    Iam really wondering like you and I really feel bad when i look at them
    i feel my eyes become sleepy ^_^

    Thanx Emi , nice to know
  • Hi Emilie,
    • Thanks for the nice topic, I think it is something to do with the yellow lights giving best visibility in fog.

    There is no good reason why fog lights are yellow. Here is an
    excellent explanation provided by Professor Craig Bohren of Penn State
    University:


    "First I'll give you the wrong explanation, which you can find here and
    there. It goes something like this. As everyone knows, scattering (by
    anything!) is always greater at the shortwavelength end of the visible
    spectrum than at the longwavelength end. Lord Rayleigh showed this, didn't
    he? Thus to obtain the greatest penentration of light through fog, you
    should use the longest wavelength possible. Red is obviously unsuitable
    because it is used for stop lights. So you compromise and use yellow
    instead.


    Or may be to not attract many bugs hahahah

    Have a sweet day
    sara
  • Hello Mohammad:
    Thanks alot for your nice comment..Have a nice time my friend..
    Emilie

    MohammadSoroushPour said:
    hi
    nice pics
  • hi
    nice pics
  • Hello Kamel:
    Thanks alot for your comment..I really don't know the answer but I think it's more lighting and they use it for the big and wide streets..I like them..
    Have a nice day..
    Emilie

    kamel Adas said:
    Hi Emilie,

    I think they could save energy and may be cheaper than other kind of lights.Is that true?
    Thanks for this nice question.Have a great day.
    Kamel
  • Hi Emilie,

    I think they could save energy and may be cheaper than other kind of lights.Is that true?
    Thanks for this nice question.Have a great day.
    Kamel
This reply was deleted.