Carlson’s invention was indeed a commercial triumph. Essentially overnight, people began making copies at a rate that was orders of magnitude higher than anyone had believed possible. And the rate is ...

William sends in a loaded question about his movie and music collection: As everyone knows, it’s illegal to make copies of my CDs and DVDs, which means that it is also illegal for me to make backup ...

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3D printing has made it incredibly easy to produce small runs of plastic parts, but getting rid of the 3D printed look can be tricky and time-consuming. When you need a smooth and polished finish, or ...