If you’ve used a diode laser engraver or cutter, you know that focus is critical. You’d think it would be relatively simple to get a sharp focus, but it isn’t that simple. [Makers Mashup ...

At 7:30 p.m. more than 30 laser beams will shine from the top of the landmark as part of an art installation called "GuideStar." The art installation, commissioned by Wa Na Wari, is by New York ...

If you have a view of Seattle's Space Needle the evening of Friday, March 14, you might also get a glimpse of a laser show.