"nuclear weapon's" what's the next level of terror ?

now that everyone has nuclear capability's ( it seems ) what is the next super weapon ? what will it be ? I know that the super powers must be working on something , will it come from space? will people learn to control the asteroids and let them accidentally fall on some poor unsuspecting country or will it be some super laser type weapon ? what's your guess or do some of you know already? if you are working on a super secret weapon for the gov. please let us know what it is ,we won't tell.