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 ...

They're in grocery store scanners, internet connections and car backup cameras. Whether you realize it or not, you interact with lasers every day. This light-based technology has helped build the ...

The most accurate and reliable options out there.

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 ...

A laser level can be an invaluable tool for keeping things straight, but which color laser level you use may be more important than you realize.

We may receive a commission on purchases made from links. Few things are as universally frustrating for homeowners as objects being unaligned. Whether a decorative feature such as a picture frame or ...

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 ...

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 ...