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Message: <blockquote data-quote="Agemegos" data-source="post: 2803620" data-attributes="member: 18377">Maybe, but cost is far from being the only issue. The sheer practical difficulties of generating and transmitting it are a constraint that makes some of your suggestions absurdly impractical. Another issue is that you don't seem to have given any thought at all to the other things you would be able to do is you had the gigawatt laser that would be needed to make a laser greanade launcher such as you suggest.No, not at all. They also stop at collimation, diffraction limits diffusion, thermal interactions with the atmosphere, interactions with smoke, fog, and cover, waste heat, side glow, and weight and delicacy of the apparatus. You have to think about what happens to the weapon and the user if it gets a splash of mud on the collimating lens or any neutral filter protecting the lens, and how you might prevent this from happening in a practical battlefield weapon.</blockquote>