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Laser technologies is job creation with many applications both military and commercial. But for the real effect of the efforts to destroy an enemy is the things you do not see. Nano Technology, Robotics, and Artificial Intelligence (AI) are the real scary developments that have been going on for over a decade.
Consider a weapon delivered device that you cannot see and can be programmed to actually identify the mission target, searching and attacking its intended source. The world is there already. Pretty scary when you can't even realize you have been attacked, biologically, chemically or something else. The problem with this technology, it doesn't produce as much job as something like lasers, tanks, airplanes, ships, submarines, and things that go "boom".
So, be happy, with Lasers, they're cool for the moment.