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  1. S

    Help in laser keyboard

    i have a laser keyboard and the projector inside it is really weak I can’t see anything unless i put it’s really close to the surface that’s it’s at which makes it impossible to use , the projector used to work fine and it still works but it isn’t strong enough for the eye to see. Any help or...
  2. J

    Why does my computer have high magnetic fields - only in certain houses?

    I sometimes use a gaussmeter to measure the magnetic fields around my computer, keyboard, mouse, and headphones (all wired directly into the computer). The strange thing is that in some houses I've lived, there's virtually no magnetic field at all, while in other houses, there's an extremely...

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