The technique works because the green laser (wavelength 532 nanometers) changes the way the crystal responds to some other ...

This could enable new tech for controlling light with light, opening doors to advanced fabrication, imaging, and illumination ...

Imagine shining two flashlight beams through each other — neither one blocks the other. However, some 3D computer models of laser systems depict the laser beam as a cylinder. Those models give ...

The green laser increases the optical absorption of the blue illuminating laser beam, creating a matching region in the illuminating light and creating a darker area that appears as a shadow of ...

Researchers showed that a laser beam can sometimes act like a solid object and cast a shadow that is visible to the naked eye ...

Can light itself cast a shadow? It may sound like a philosophical riddle, but researchers have found that under certain ...

In a recent study, researchers from the University of Ottawa have demonstrated a remarkable new phenomenon: a laser beam ...

Researchers create a visible shadow using only a laser beam, an achievement that seemingly defies conventional physics.

By the 2010s, NASA was 3D printing rocket engines. Now, they are testing the viability of using laser beam welding—a technology that can achieve additive manufacturing—in space. NASA has done welding ...

My team and I put the best laser engravers to the test - and these are the models we recommend for home crafting, hobbyists, and professionals. Like the best 3D printers we've reviewed ...