The green laser acts like an ordinary object while the blue laser acts like illumination. The interaction between the two light sources created a shadow on a screen that was visible as a dark area ...

The interaction between the two light sources created a shadow on a screen that was visible as a dark area where the green laser blocked the blue light.

Researchers showed that a laser beam can sometimes act like a solid object and cast a shadow that is visible to the naked eye. In the picture, the shadow appears as the horizontal line traversing the ...

This was then lit up side-on by a blue laser. The green light ends up blocking some of the blue light, casting a shadow on a ...