Researchers showed that a laser beam can sometimes act like a solid ... the shadow appears as the horizontal line traversing the blue background. Credit: Abrahao et al. The experiment resulted ...

Can light itself cast a shadow? It may sound like a philosophical riddle, but researchers have found that under certain conditions, a laser beam can act like an opaque object and cast a shadow.

The green laser increases the crystal’s ability to absorb the blue laser beam. which creates a matching region in the blue beam that appears as a shadow. If you read the article, there’s more ...

A little background: In the original top ... blue and create a blurred trail that looks like a laser beam, which could explain some of the blue beams seen in the various video clips online.

Conspiracy theorists are pushing for people to paint their roofs blue over the belief that it ... posted a photo of what they suggested was a laser beam striking Maui. In reality, the image ...

Turin, Italy-based laser module manufacturer Convergent Photonics is developing new sources for high-power industrial and mid-power medical laser applications thanks to the introduction of a new ...

After a test run with confusingly coincidental origins, a massive blue laser will once again ... the hotel will shine a 720-foot light beam from a laser cannon mounted on its roof onto the stained ...

A massive green and blue laser beam was spotted in the San Francisco sky earlier this week, and despite plenty of speculation online, no one seemed to know much about its purpose or origin ...

Using a green laser beam, a ruby crystal, and blue light illumination, they demonstrated that light, under specific conditions, could block another light source, creating a visible shadow.

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 ...