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  • Retr0bright, how to turn a yellow Gameboy white again: The EASY way!

    It's a confusing read as you say that you both use off-the-shelf hydrogen peroxide cream AND that you Retr0bright. Retr0bright infers that you make it yourself, yet elsewhere you say that you don't. It would be clearer to native English speakers if you put "Retr0bright" in quotes when you don't actually mean it. "Retr0bright" is the compound. Bleaching is the process.

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  • Retr0bright, how to turn a yellow Gameboy white again: The EASY way!

    "Retr0bright effectively reverses this process."No it doesn't. It just removes the surface staining caused by the leeching bromide. The item will nearly always return to its pre-treated state of yellowing over the course of the next few years.Forget the fancy recipes as hydrogen peroxide cream (12% BV) works exactly the same and can be easily purchased from nearly any supermarket or hair salon for as little as $6 per litre.

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  • IanB145 commented on ColumbusCOOK's instructable Biased lighting for your big screen tv6 months ago
    Biased lighting for your big screen tv

    "Someone needs to build one of these with adaptive lighting - changing colors based on the picture on the tv." - That's not what bias lighting is meant to be.That's bling lighting which is a totally different thing altogether. Bias lighting must be the correct colour temperature, the correct spectral content, and the correct brightness to work as intended. All of these parameters are fixed so should NEVER vary in an adaptive way.That means a 6500K light source with a CRI of at least 90, and no more than 10% of the maximum brightness that the TV panel can produce reflected from a neutral coloured (pure white or spectrally neutral grey) background. Anything else is scientifically wrong and falls into the "bling" category.Getting it right simulates the lighting conditio...see more »"Someone needs to build one of these with adaptive lighting - changing colors based on the picture on the tv." - That's not what bias lighting is meant to be.That's bling lighting which is a totally different thing altogether. Bias lighting must be the correct colour temperature, the correct spectral content, and the correct brightness to work as intended. All of these parameters are fixed so should NEVER vary in an adaptive way.That means a 6500K light source with a CRI of at least 90, and no more than 10% of the maximum brightness that the TV panel can produce reflected from a neutral coloured (pure white or spectrally neutral grey) background. Anything else is scientifically wrong and falls into the "bling" category.Getting it right simulates the lighting conditions in a typical professional video editing suite so that you see the content the way it was intended to be seen. Anything else is, strictly speaking, wrong and will diminish the viewing experience either a little or a lot depending on how wrong the bias lighting is.

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