A lot of the DIY laser engravers and cutters we cover here on Hackaday are made with laser diodes salvaged from Blu-ray drives and projectors, which are visible lasers in the 400 – 450nm range ...

Every laser cutter enthusiast eventually pops the question: how on earth do I align an invisible beam that’s more-than-happy to zap my eyeballs, not to mention torch everything else in its path? We ...

Pinpoint Laser Systems (www.pinpoint.com) said its new measuring and alignment system for lathes, turning equipment, spindles and related machinery — Microgage Spindle Alignment Tool -- is easy to use ...