Gregory's Server@leeloo I don't have anything to read CDs with anymore, but I doubt it. Even though there is some amount of error correction in CDs this basically completely covers a continuous section of the surface in relatively deep scratches
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3 comments
 @leeloo it's still an interface between two materials with different refractive indexes, which due to the grooves ends up at pretty steep angles. That's gonna refract the light all over the place wether it's focused on the interface or not. I'd love to be proven wrong but I don't really see that working too well |
@slyka
But the claim is that the laser is not focusing on the scratch, so it should be able to look right past it.