Good point, and I actually believe he designed a sort of weapon in his later years. He called it the "teleforce". He must not of left good documentation or it was just an idiotic idea, because if it worked governments would be scrambling to attain it.
"[The nozzle would] send concentrated beams of particles through the free air, of such tremendous energy that they will bring down a fleet of 10,000 enemy airplanes at a distance of 200 miles from a defending nation's border and will cause armies to drop dead in their tracks."
(Im a huge fan of Tesla too if you cant tell)
