This level’s visibility—not to mention its impressive design and portability—helps it stand out among its competitors.

Unlike fictional laser swords, real laser beams do not interact with each other when they cross—unless the beams meet within a suitable material allowing for nonlinear light-matter interaction. In ...

Researchers have developed a new method for flexibly creating various needle-shaped laser beams. These long, narrow beams can be used to improve optical coherence tomography (OCT), a noninvasive and ...

A beam of light can only be seen when it hits matter particles and is scattered or reflected by them. In a vacuum, however, it is invisible. Physicists have now developed a method that allows laser ...

Add Yahoo as a preferred source to see more of our stories on Google. Iron Beam, Iron Beam M, and Lite Beam (photo credit: RAFAEL ADVANCED DEFENSE SYSTEMS) Israel, the US, and other countries have ...