Ther e is an article at PopSci’s site Is This What War Will Come To?, and a related thread on Slashdot.
One thing that bothered me while I was reading this article is that while (theoretically) trying to make me (or an abstract reader) feel more secure (sure, with weapons like these, who’d ever consider a war?) it made me feel much less so.
It has been pointed out many times before that thinking of super weapons as means of safeguarding peace is wrong. The world has been on a verge of a few drastic conflicts exactly because of arms race (a competition to come up with a weapon superior to a super weapon of your opponent). Will people ever learn? I guess not…