On a screen opposite the blue laser, they saw a dark line where the green laser blocked blue light leaving the crystal. This curious phenomenon arises from a property of the ruby itself.

The undated image shows the U.S. Navy testing a weapon system known as HELIOS from the USS Preble destroyer in the middle of ...

After some napkin math, a motorized laser mount as above will have some nasty sine wave like effects if you take pictures in between steps of a rotating 3d scanner. Be aware, that 3d scanning ...

When compared to the red laser line, it is possible to project the blue laser line in a significantly more sharply manner. The blue laser light permits higher stability and does not penetrate the ...

This is "Laser Van Halen," one of the music laser light shows taking over the Vanderbilt ... "What’s really cool is if we project a laser beam as a line then make it move, we can create ...