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owl

No pixel is an island...

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owl    376
A PIXEL died. :(

[img]http://galeon.com/chess2/foto15.jpg[/img]


[img]http://galeon.com/chess2/foto16.jpg[/img]

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Aardvajk    13207
Get a really powerful magnet. The ones you use to clean tropical fish tanks are ideal. Hold it against the problem area for a few minutes.

It won't actually solve the problem but it does look fricking trippy. Probably doesn't work on modern flatscreens. What a loss to humanity that is.

When I was a child, I enhanced a black and white television with this method. But nobody ever listens to me.

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benryves    1999
[quote name='Aardvajk' timestamp='1298576045' post='4778582']
Get a really powerful magnet. The ones you use to clean tropical fish tanks are ideal. Hold it against the problem area for a few minutes.

It won't actually solve the problem but it does look fricking trippy. Probably doesn't work on modern flatscreens. What a loss to humanity that is.[/quote]The paths of the electrons from the electron guns to the glowing phosphor dots in the CRT are controlled by a pair of electromagnets (one for the X axis and one for the Y axis). Holding a magnet near the screen alters the path of the electrons, and can end up steering electrons intended to strike the red phosphor dots onto the green or blue phosphor dots, hence the physical distortion of the image and the crazy colours.

The shadow mask (which is intended to only let electrons from the red gun strike red phosphor dots, electrons from the green gun strike green phosphor dots and the electrons from the blue gun strike blue phosphor dots) is made of metal and can become magnetised by the presence of an external magnet, temporarily distorting the image. The degauss button produces an intense alternating magnetic field that demagnetises the shadow mask and undoes the effect. However, very strong magnets may physically distort the shadow mask, resulting in permanent damage. I wouldn't recommend holding a strong magnet near any monitor you're fond of.

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