There are many different types of lasers—almost as many as there are applications for the same—but what ties them all together as a class is that they depend on the same physical effect: stimulated ...

Add Yahoo as a preferred source to see more of our stories on Google. Green laser beam coming from a hand-held laser pointer. They're in grocery store scanners, internet connections and car backup ...

Laser cutters are getting more and more popular among crafters. As a unique means of creating artwork using all sorts of different materials, laser cutting is accessible and fun. If it’s something you ...