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  1. J

    How visible is a <5mw green laser in daylight?

    How visible is a <5 mw green laser in daylight? I was talking with a tree surgeon the other day, and decided that it would have been a lot easier if I could have pointed out which branches we were talking about. In addition, I would like to be able to point out holes in targets at a pistol...
  2. J

    Radio Controlled off-road vehicles?

    If it runs on batteries, someone here should know about it, right??? I am looking for a radio controlled vehicle capable of running across a field (mostly dirt, with some scattered grass clumps.) Range needs to be at least 100 yards. Ideal top speed would be about 20 feet per second, and it...
  3. J

    opalec newbeam headlight?

    I really like my opalec newbeam. Can anyone figure out how to turn one into a headlamp?