Roundup: CD and DVD scratch repair devices
While CDs can survive minor damage far better than the vinyl records they replaced, they are still vulnerable to scratches. DVDs are even more vulnerable, since they store more data in the same space.
Since the 1980s, various devices have been marketed to repair scratched CDs, many of them completely worthless. In this review, we’ll take a look at some modern contenders and see if they live up to their hype–and their price tags.