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User: fgm

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  1. PCB documentation on Microscopy With A Film Scanner · · Score: 4, Interesting

    For years I've used a scanner as a cheap way to
    document mods to PCB's (printed circuit boards, not
    Polychlorinated Biphenyls). Even the tiny labels
    that sometimes appear on 0603 resistors are
    readable, and it documents what's there, rather
    than what I _think_ is there.

    However: some scanners have better depth of field
    than others. The ones which sweep a mirror under
    the document, rather than sweeping the sensors
    themselves, seem to have better depth of field.

  2. Re:Actually.. on Remote Controlled Rats · · Score: 1

    The real genius behind this approach is: First, the trainer needs no food, so can spend an infinite length of time training the rat; second, it preserves the rat's natural instincts so it could actually be more useful than a robot.

    A seeing-eye dog won't cross the street when a car is coming, even though the owner wants to go forward. A rat is unlikely to kill itself no matter now much you train it.

    ...or is it? ;-)