BANNED: Incandescent And Halogen Light Bulbs

Discussion in 'Light' started by Logan-, Nov 17, 2018.

  1. Logan-

    Logan- Member

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    ***Phase-out of incandescent light bulbs - Wikipedia

    ***Europe to ban halogen lightbulbs
    EU halogen light bulb ban: everything you need to know – Which? News
    When does the halogen lightbulb ban start and why is it happening?


    I use them (incandescent light bulbs) for keeping my area warm, instead of centrally heating the house. My view of the energy saving light bulbs is that putting a cork in the plug saves more energy (and doesn't contain mercury). – Ray Peat
    Ray Peat Email Exchanges - Ray Peat Forum Wiki
     
  2. edd00

    edd00 Member

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    ok so what do we do we do now??
    How can we get the light that we need?
     
  3. bistecca

    bistecca Member

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    How much IR and red light does a raging fireplace put off?
     
  4. cyclops

    cyclops Member

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    Are LED lights always bad? I just got a light fixture that will only use LED or florescent lights. I know florescent is bad, but are LED always bad as well?
     
  5. OP
    Logan-

    Logan- Member

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    LED Light Therapy

     
  6. cyclops

    cyclops Member

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  7. bistecca

    bistecca Member

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    That spectral curve doesn't cover microwave emission.
     
  8. haidut

    haidut Member

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    What does he mean by "putting a cork in the plug"?
     
  9. OP
    Logan-

    Logan- Member

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    I guess "not using anything".
     
  10. cyclops

    cyclops Member

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  11. lampofred

    lampofred Member

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    I think it's a joke to show how much he dislikes energy saving bulbs
     
  12. OP
    Logan-

    Logan- Member

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    I think the reason @schultz likes them is described in the description section of that page:

    Description
    Enjoy a more reliable and longer-lasting light by replacing 75-Watt incandescents with the 90+ Lighting A21 LED bulb. With a high color rendering index (CRI) of 93, this LED bulb emits a color matched for incandescent bulbs that displays the natural and radiant colors of a room.
    LED - A21 - 14W - 75W Equal - 90+ Lighting SE-350.051


    A color rendering index (CRI) is a quantitative measure of the ability of a light source to reveal the colors of various objects faithfully in comparison with an ideal or natural light source. Light sources with a high CRI are desirable in color-critical applications such as neonatal care and art restoration. It is defined by the International Commission on Illumination (CIE) as follows:

    Color rendering: Effect of an illuminant on the color appearance of objects by conscious or subconscious comparison with their color appearance under a reference illuminant[1]

    The CRI of a light source does not indicate the apparent color of the light source; that information is given by the correlated color temperature (CCT). The CRI is determined by the light source's spectrum. An incandescent lamp has a continuous spectrum, a fluorescent lamp has a discrete line spectrum; the incandescent lamp has the higher CRI.

    The value often quoted as "CRI" on commercially available lighting products is properly called the CIE Ra value, "CRI" being a general term and CIE Ra being the international standard color rendering index.

    Numerically, the highest possible CIE Ra value is 100 and would only be given to a source identical to standardized daylight or a black body (incandescent lamps are effectively black bodies), dropping to negative values for some light sources. Low-pressure sodium lighting has negative CRI; fluorescent lights range from about 50 for the basic types, up to about 98 for the best multi-phosphor type. Typical LEDs have about 80+ CRI, while some manufacturers claim that their LEDs have achieved up to 98 CRI.[2]
    Color rendering index - Wikipedia
     
  13. rei

    rei Member

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    Except the sun i believe it is the best kind of radiation you can receive. I have recently installed a full glass window in my fireplace, and subsequently realized that by getting naked in front of it and rotating was amazing IR therapy. 10-15 minutes would have you pouring sweat on the floor. A completely different world of experience than sitting in front of a 500w halogen light, which i found useless.
     
  14. bistecca

    bistecca Member

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    I've always felt a deep intrinsic sort of satisfaction and relaxation from being in front of a big fire, and it's nice to have a tentative explanation for why it felt that way.
     
  15. cyclops

    cyclops Member

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    Very informative and helpful. Thank you.
     
  16. cyclops

    cyclops Member

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    I bought some 90+ CRI light bulbs at Home Depot, but they seem kind of blue, rather then red. Maybe they are too bright. The back of the box says they are 5000k a more towards the "cool" side of the spectrum. I think I will return them for something more on the "warm" side. I got these because they were they brightest they had at 100w and 1600 lumens and said "Daylight." I figured the daylight was closest to natural light.
     
  17. Inaut

    Inaut Member

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    Really good suggestion.. I wish I had a fireplace I could get naked in front of...... :(
     
  18. OP
    Logan-

    Logan- Member

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    I think returning them is a good idea. 5000 Kelvin is high in blue light. You might get better results with incandescent or halogen light bulbs. I use incandescent bulbs in my house.
     
  19. cyclops

    cyclops Member

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    Problem is my light only takes LEDs. I am trying to figure out what the most Peaty LED would be.
     
  20. rei

    rei Member

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    Deep red LED:s. 660nm or more. At distant second place is warm white ~2400 kelvin ones.
     
  21. bistecca

    bistecca Member

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    I would be leery about LED's because there is some evidence they emit microwave and other non-ionizing forms of radiation. Seems to be a good bit of variation from what i've seen, but i haven't seen any research that is anywhere near comprehensive.
     
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