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New York, 7:46 PM
Sun Nov 15
20 posts in the last 24 hours

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  • posts about #bulbs more →

    World's First Liquid-Cooled LED Lightbulb Perfectly Pairs With Silly Gaming PCs

    LED Bulb Features Gnarly Golden Heatsink

    Bird Pendant Decorates Exposed Bulbs the Easiest Way

    Putting Heatsinks on Light Bulbs Makes for Some Crazy Bulb Designs

    Japanese ISS Module Slipping Into the Dark: Bulbs Burn Out, No Spares

    Brendan Koerner Teaches Stephen Colbert About CFLs and the Environment

    EVERLED, LED "Fluorescent" Tubes
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    Image of Geisrud Geisrud
    07/16/09

    In reply to World's First Liquid-Cooled LED Lightbulb Perfectly Pairs With Silly Gaming PCs
    only consumes 4W of electricity (compared to a 25W incandescent)
    Who the hell uses a 25W incandescent lightbulb?
     Reply
    Geisrud was starred Geisrud was unstarred
    Image of Frizzaper Frizzaper
    07/16/09

    In reply to World's First Liquid-Cooled LED Lightbulb Perfectly Pairs With Silly Gaming PCs
    I realize it's not a whole lot of liquid, but it strikes me that electricity+water=accidents waiting to happen. Assuming the bulbs are assembled perfectly, what happens when you knock a lamp over with one of these bulbs in it?
     Reply
    Frizzaper was starred Frizzaper was unstarred
    Image of Geisrud Geisrud
    07/16/09

    @Frizzaper: From TFA - "Not to worry, if you drop/break it - the liquid inside is harmless paraffin oil that has been tested and certified safe to UL and ROHS standards."
     Reply
    Geisrud was starred Geisrud was unstarred
    Image of Jonhy Jonhy
    07/16/09

    In reply to World's First Liquid-Cooled LED Lightbulb Perfectly Pairs With Silly Gaming PCs
    Anyone got a comparison for how much a traditional incandescent and CCFL cost in electricity per year & upfront?
     Reply
    Jonhy was starred Jonhy was unstarred
    Image of CAVEperson CAVEperson
    07/16/09

    @Jonhy: The average CFL is a foolish purchase. Manufacturers use cheap electrolytic capacitors that overheat (in the usual bulb-down mounting position) and burn out long before the rated lifetime of the bulb--usually within a year, in my experience, especially for the crappy CFLs that Costco sells and many people buy. I replace those caps to revive the lights, but I doubt that most folks would want to do that. So, the cost of electricity isn't the most important factor in the economic calculation. On the other hand, I have six 18W Panasonic EFT18LE-T compact fluorescents for which I paid $10 each in 1992, and they're all still working just fine in daily use (bulb down, too). Vastly more economical than these LEDs!
     Reply
    CAVEperson was starred CAVEperson was unstarred
    Image of Blake380 Blake380
    07/15/09

    In reply to World's First Liquid-Cooled LED Lightbulb Perfectly Pairs With Silly Gaming PCs
    I thought LEDs are not supposed to generate heat.
     Reply
    Blake380 was starred Blake380 was unstarred
    Image of fuchikoma fuchikoma
    07/16/09

    @Blake380:

    Very little normally, but it's one of the problems with room lighting bulbs - they can make them very bright, but they heat up, dramatically shortening the life of the LED. That's why most lightbulb replacements have cooling fins (well, that and the power adapter built in!)
     Reply
    fuchikoma was starred fuchikoma was unstarred
    Image of shockwaver shockwaver
    07/15/09

    In reply to World's First Liquid-Cooled LED Lightbulb Perfectly Pairs With Silly Gaming PCs
    so, these put off less light then a 25w bulb? The problem I have with my CFLs, is I just can't get the room to fill with light in the same way, and this is even dimmer? I'd love to save even more energy, but not at the cost of even more light.
     Reply
    shockwaver was starred shockwaver was unstarred
    Image of jdale jdale
    07/15/09

    @shockwaver: That's still a big problem with LED lights, they just aren't available very bright. Even the ones that say they replace 60W bulbs are usually "exaggerating" quite a bit.



    I don't know how useful liquid cooling is. It will delay the bulb from heating up, as the liquid absorbs the heat, but you're still producing the same heat and eventually it will be hot. In a 4W bulb it may not be relevant in the time the bulb is on, but scale up to a 12W or 20W and it's going to get hot, and stay hot when you turn it off, unless you add radiator fins like every other LED bulb already has.
     Reply
    jdale was starred jdale was unstarred
    Image of deanbmmv deanbmmv
    07/15/09

    In reply to World's First Liquid-Cooled LED Lightbulb Perfectly Pairs With Silly Gaming PCs
    The lighting seems much more natural.

    Though daylight white is kind of bluey and weak, I suppose it would work great as a bedside light in the morning (blue lights are better at waking you up)

    Is it the water than aids with the natural colours or does the water just mean you can unscrew a cool light bulb straight away (their example)
     Reply
    deanbmmv was starred deanbmmv was unstarred
    Image of AlexSea AlexSea
    07/15/09

    In reply to World's First Liquid-Cooled LED Lightbulb Perfectly Pairs With Silly Gaming PCs
    what does it mean when the line that says 'other LED lights, cool to' overlaps the picture below it? Is it just formatting on gawker media's part, or is firefox 3.5 rendering things wrong? just curious, i'm not trying to be a peckerwood.
     Reply
    Edited by AlexSea at 07/15/09 9:51 PM AlexSea was starred AlexSea was unstarred
    Image of deanbmmv deanbmmv
    07/15/09

    @AlexSea: "..the touch thanks to the.." though the writing does overlap the picture in Chrome. Then finishes the rest of the sentence beneath the images
     Reply
    deanbmmv was starred deanbmmv was unstarred
    Image of Woz Woz
    07/15/09

    In reply to World's First Liquid-Cooled LED Lightbulb Perfectly Pairs With Silly Gaming PCs
    Daylight White does not look good in a home. But I would love to be able to turn all my lights in the home into LED. I did so with the Christmas lights already. But at $35 a bulb, that's a little to much for redoing my whole house.
     Reply
    Woz was starred Woz was unstarred
    Image of bosskev bosskev
    07/15/09

    In reply to World's First Liquid-Cooled LED Lightbulb Perfectly Pairs With Silly Gaming PCs
    OMG, the video on their site is SO trippy, watching the liquid swirl around like a half-filled snow globe! You really can't appreciate the "liquid cooling" from the still pictures above, go check out the video.
     Reply
    bosskev was starred bosskev was unstarred
    Image of aaj111 aaj111
    07/15/09

    @bosskev:



    Wow! I didn't even see the water in the pictures, but the video really shows that it's a lightbulb with water in it. That's insane! ...and wicked cool! Not to mention ultimate money savers. I can't wait to get my hand on some of these.
     Reply
    aaj111 was starred aaj111 was unstarred
    Image of impliedsurprise impliedsurprise
    02/03/09

    In reply to LED Bulb Features Gnarly Golden Heatsink
    That's not a heatsink.....THIS is a a heatsink.


    [blog.eternaleds.com]

     Reply
    impliedsurprise was starred impliedsurprise was unstarred
    Image of ripfire ripfire
    02/03/09

    @impliedsurprise: Actually, my first reaction to the picture was "air filter?"
     Reply
    ripfire was starred ripfire was unstarred
    Image of gdigital gdigital
    02/03/09

    In reply to LED Bulb Features Gnarly Golden Heatsink
    I don't understand how it can only use 7W and put out so much heat. Or do the LEDs use 7W and the circuitry another 25?
     Reply
    gdigital was starred gdigital was unstarred
    Image of ripfire ripfire
    02/03/09

    @gdigital: That's what I thought. How can anyone call this efficient energy when most of it is dissipated through heat?
     Reply
    ripfire was starred ripfire was unstarred
    Image of fsusmithc2 fsusmithc2
    02/03/09

    In reply to LED Bulb Features Gnarly Golden Heatsink
    If incandescent bulbs don't need heatsinks, why would this? As far as I know, LEDs run much cooler than traditional bulbs. Or is this some big honkin' LED that gets crazy hot? It's hard to figure scale from the pic but it looks like your typical household light fixture size.
     Reply
    fsusmithc2 was starred fsusmithc2 was unstarred
    Image of GitEmSteveDave_HurtHisKnee GitEmSteveDave_HurtHisKnee
    02/03/09

    @fsusmithc2: High power LED's, like Luxeons, generate a fair amount of heat, and it affects the light the bulb puts out. The reason Mag-lites were so long in adding LED's is that the parts that hold the bulb/direct the light are plastic, and don't allow the heat to dissipate very well. Most of your high powered Luxeon LED lights are aluminum mostly to vent the heat.
     Reply
    GitEmSteveDave_HurtHisKnee was starred GitEmSteveDave_HurtHisKnee was unstarred
    Image of GitEmSteveDave_HurtHisKnee GitEmSteveDave_HurtHisKnee
    02/03/09

    @fsusmithc2: Here's a link describing why heat sinking is required: [www.luxeonstar.com]
     Reply
    GitEmSteveDave_HurtHisKnee was starred GitEmSteveDave_HurtHisKnee was unstarred
    Image of LelandProetus LelandProetus
    12/26/08

    In reply to Bird Pendant Decorates Exposed Bulbs the Easiest Way
    Not a bad idea BUT... its installed upside down in the picture!
     Reply
    LelandProetus was starred LelandProetus was unstarred
    Image of Purple Dave Purple Dave
    12/27/08

    @LelandProetus:
    Yeah, the straps that are shown hugging the underside of the bulb are _clearly_ supposed to be threaded through it instead.
     Reply
    Purple Dave was starred Purple Dave was unstarred
    Image of [Dextr] [Dextr]
    12/26/08

    In reply to Bird Pendant Decorates Exposed Bulbs the Easiest Way
    So.. I'm going to go ahead and point out that this is looks like it would only work with an incandescent bulb. Does anyone still use these?
     Reply
    [Dextr] was starred [Dextr] was unstarred
    Image of KhaiJB KhaiJB
    12/26/08

    @[Dextr]: you can get CFL's with cover to make them look like / diffuse the light like a incandescent that this would work with.
     Reply
    KhaiJB was starred KhaiJB was unstarred
    Image of badhatharry badhatharry
    11/05/08

    In reply to Putting Heatsinks on Light Bulbs Makes for Some Crazy Bulb Designs
    The lighting company mentioned in the article, Journee Lighting, is run by my buddy.
     Reply
    badhatharry was starred badhatharry was unstarred
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