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New York, 7:25 PM
Sun Dec 20
16 posts in the last 24 hours

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  • posts about #rpi more →

    Solar Panel Quantum Leap: Near-Perfect Light Absorption Possible

    Sneaky LED Bulbs Will Double As Wireless Access Points
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    Dsmvwl  Admin  Promote to frontpage Approve user Ban user ×
    Image of VailGrimlet VailGrimlet
    11/07/08

    In reply to Solar Panel Quantum Leap: Near-Perfect Light Absorption Possible
    ...correction: silicon solar cells have actually a maximum efficiency of about right now 21% and the theorical limit of efficiency is 25% ...

    This article seems very misleading ... sure solar panels are the future but lets first understand what are the fact before making any mistakes ...
     Reply
    VailGrimlet was starred VailGrimlet was unstarred
    Image of DJTripleRRR DJTripleRRR
    11/06/08

    In reply to Solar Panel Quantum Leap: Near-Perfect Light Absorption Possible
    Sigh it's gonna take to long to get here. The Hydrogen Collider goes on next year therefore we die before we get to save ourselves some energy :P.
     Reply
    DJTripleRRR was starred DJTripleRRR was unstarred
    Image of jgrnt1 jgrnt1
    11/05/08

    In reply to Solar Panel Quantum Leap: Near-Perfect Light Absorption Possible
    There are other solar technologies much closer to production. One is:


    [prismsolar.com]

     Reply
    jgrnt1 was starred jgrnt1 was unstarred
    Image of getabetterpic getabetterpic
    11/05/08

    In reply to Solar Panel Quantum Leap: Near-Perfect Light Absorption Possible
    The article mentions solar and its quest for cheapness, but then fails to mention how this is cheaper. If it allows the cells to absorb more light, but causes production prices to go up too much, it defeats the purpose.


    I'm all for solar though. If it can be made economical.

     Reply
    getabetterpic was starred getabetterpic was unstarred
    Image of sos10 sos10
    11/05/08

    @getabetterpic: huh? massproduction is the word.
     Reply
    sos10 was starred sos10 was unstarred
    Image of RowenaAluminoid RowenaAluminoid
    11/05/08

    In reply to Solar Panel Quantum Leap: Near-Perfect Light Absorption Possible
    The total number of photons hitting a flat plate is a function of the sine of the angle of incidence. This technology will not eliminate the need for alignment motors. Good job efficiency, but it's not a magic bullet.
     Reply
    RowenaAluminoid was starred RowenaAluminoid was unstarred
    Image of jlhuge jlhuge
    11/05/08

    In reply to Solar Panel Quantum Leap: Near-Perfect Light Absorption Possible
    My basic reason for wanting cheap and reliable alternate energy is simple. I'm a cheap SoB who wants to be off the grid.
     Reply
    jlhuge was starred jlhuge was unstarred
    Image of h3r0 h3r0
    11/05/08

    In reply to Solar Panel Quantum Leap: Near-Perfect Light Absorption Possible
    sooner we stop paying that drugs/oil cartel the better! lol
     Reply
    h3r0 was starred h3r0 was unstarred
    Image of acoom acoom
    11/05/08

    In reply to Solar Panel Quantum Leap: Near-Perfect Light Absorption Possible
    Fantastic. Now let's start plastering them over every building and structure that seems the light of day. Then we can start turning off the polluting powerstations.


    Australia (with all your sunshine and coal-fired powerstations), I'm looking at you!

     Reply
    acoom was starred acoom was unstarred
    Image of Knirfie Knirfie
    11/05/08

    In reply to Solar Panel Quantum Leap: Near-Perfect Light Absorption Possible
    "so there's no need for panels to waste energy by mechanically tracking the sun in the sky."


    Actually, there is, because the amount of "light-rays" from the sun hitting the panel is highest when the panel is aimed at the sun.

     Reply
    Knirfie was starred Knirfie was unstarred
    Image of alowishus wants to run a Saab Sonett III at LeMons alowishus wants to run a Saab Sonett III at LeMons
    11/05/08

    In reply to Solar Panel Quantum Leap: Near-Perfect Light Absorption Possible
    Oh YES. Here comes the sun.
     Reply
    alowishus wants to run a Saab Sonett III at LeMons was starred alowishus wants to run a Saab Sonett III at LeMons was unstarred
    Image of Usama Usama
    11/05/08

    In reply to Solar Panel Quantum Leap: Near-Perfect Light Absorption Possible
    But what are we going to do when the sun burns out in 5 billion years?!??!?
     Reply
    Usama was starred Usama was unstarred
    Image of Jrsy Devil's Advocate® Jrsy Devil's Advocate®
    11/05/08

    @Usama: We'll just switch to using people as meat batteries...
     Reply
    Jrsy Devil's Advocate® was starred Jrsy Devil's Advocate® was unstarred
    Image of benow benow
    11/05/08

    In reply to Solar Panel Quantum Leap: Near-Perfect Light Absorption Possible
    I'm hoping the Japanese make the space elevators, now that it seems the US have given up. Solar collectors in space with feeds to major cities would drastically change the energy situation.
     Reply
    benow was starred benow was unstarred
    Image of Bokusatsu_Tenshi Bokusatsu_Tenshi
    11/04/08

    In reply to Solar Panel Quantum Leap: Near-Perfect Light Absorption Possible
    OH NOES, but this will make the sun wear down!

    Sorry, had to say it.
     Reply
    Bokusatsu_Tenshi was starred Bokusatsu_Tenshi was unstarred
    Image of bill_mcgonigle bill_mcgonigle
    11/04/08

    In reply to Solar Panel Quantum Leap: Near-Perfect Light Absorption Possible
    1. We use 1/6th as much energy as all the light that falls on the Earth.

    2. Maine gets 3% as much light in the winter as Florida does in the summer.
     Reply
    bill_mcgonigle was starred bill_mcgonigle was unstarred
    Image of Jrsy Devil's Advocate® Jrsy Devil's Advocate®
    11/05/08

    @bill_mcgonigle: Ooh, ooh. I know this one. It's like that one with the two trains traveling to Chicago. Train 'A' is moving at 60 miles an hour. Train 'B'....
     Reply
    Jrsy Devil's Advocate® was starred Jrsy Devil's Advocate® was unstarred
    Image of whiteknight whiteknight
    11/04/08

    In reply to Solar Panel Quantum Leap: Near-Perfect Light Absorption Possible
    So overall, how much more efficient does this make a PV array compared to previous tech that maxes out near 40% with current cutting-edge tech?
     Reply
    whiteknight was starred whiteknight was unstarred
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