^ Really? I had no idea! You learn something new every day.
I'm pretty certain someone will find a loophole in the clause someday, weapons manufacturers are huge fans weaselling there way round international law. Just look at the devastation thermobaric weapons have on the human body (it basically turns you inside out).
How different are lasers and phasers? If someone did invent phaser technology and it was far enough removed from laser technology, would it then be legal to use?