An Intresting thing about laser beams that I noticed is that you always find thousands of small dots in the spot that is formed by a laser beam on the surface? What could it be? Maximas of light beams caused by constructive interferences? I am yet to find out. Please let me know if you have any explanations about it. You can see the picture at http://betaeta.blogspot.com [Broken] Thank You in advance.