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    Laser auto-switch off

    I am trying to use a laser for decorative reasons along a wall. It has to be pretty strong, trying to make a big pattern along the wall with various mirrors. Now someone could come in put a mirror in the bean which reflects and could blind someone. I was wondering if anyone knows about an...
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    Building a white laser

    Hi, Anybody knows where I can find instructions to build a white laser, e.g. by combining the beams of three different lasers? What do I need to do this? And is there somewhere a optical diffusor I can point a white laser to that would spread out the beam so I can use it as a flashlight as...
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    Re-creating the BMW i8 Headlamps

    Hi, I'd like to rebuild the BMW i8 headlamps, and use them for off-road use on my car. Anybody has an idea where I could get the components needed? According to the Popular Mechanics article below, there are three laser diodes (455nm likely). I figured I would need a) a prism that combines...


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