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  1. M

    What is the sampling rate of the human ear?

    I've been getting pretty excited, moreso than usual, about digital technology lately. With the new iPod touch and it's retina display, we've now achieved a pixel size (78 micrometers) with which the human eye cannot discern individual pixels, which means we never need to make pixels smaller and...
  2. M

    Why won't my scroll wheel work?

    I have an HP Pavilion Elite E9220y desktop with Windows 7 home premium. In my opinion, it runs flawlessly in almost every way. The only problem is that my mouse wheel wont work. I don't remember how long this has been happening for, but I don't think it has always been this way since I got it. I...
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