Using a green laser beam, a ruby crystal ... As a result, a shadow formed on a screen, resembling one cast by a physical object. The effect was visible to the naked eye, followed the contours ...

The post shows a green laser beam projected over a body of water. It also includes a diagram showing how the distance between a straight laser beam and the water below should increase as the ...

with labels saying “green beam” and “energy weapon?” and a caption saying that it showed a “green laser beam” in a thunderstorm the same day, adding in brackets that the content is ...

The interaction between the two light sources created a shadow on a screen that ... because the green laser increases the optical absorption of the blue illuminating laser beam, creating a ...