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 ...

First predicted by Einstein more than a century ago, lasers have shaped our modern technological landscape. But how do they work? When you purchase through links on our site, we may earn an affiliate ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. With summer around the corner, the semi-creepy targeted advertisements seem to be reading your mind. They appear to know just what ...

Yes, laser hair removal devices really do work to reduce unwanted hair in a number of treatment areas on the body and face, depending on your skin type and hair color. Whether it’s an at-home device ...

Scientists have taken lasers beyond light and into the realm of sound, creating a breakthrough “phonon laser” that ...

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 ...