Who doesn't love a humongous laser? Here at ExtremeTech, we're fans of both 1) technology and 2) extremes, and lasers are toward the far end of both spectra. So, do you have a minute? In the spirit of ...

But what, exactly, are lasers, and how do they work? The word "laser" is actually an acronym; it stands for "light amplification by stimulated emission of radiation." Lasers work by making energetic ...

When you're engaged in just about any kind of home improvement, small-scale tinkering, or pre-moving renovation, precision is of the utmost importance. You can't build a proper shelf, for example, if ...

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 ...