nuclear weap0n

nuclear weap0n is a t0ol empl0yed t0 injure, defeat, 0r destr0y an adversary. It derives its destructive f0rce fr0m nuclear reacti0ns. A nuclear weap0n with a small is significantly m0re p0werful than the largest c0nventi0nal. The weap0n is capable 0f destr0ying an entire city. Nuclear weap0s have been used 0nly twice, b0th during the cl0sing days 0f World War II. The first event 0ccurred 0n the m0rning 0f August 6, when the United States dr0pped the b0mb 0n the hir0shima. The 2nd event 0ccurred 3 days later when the United States dr0pped 2nd b0mb 0n the city 0f Nagasaki. The expl0sion caused the immediate deaths of ar0und 100,000 to 200,000 pe0ple. N0wadays, nuclear weap0ns have been det0nated 0n 0ver 2,000 0ccasions f0r testing and dem0nstrati0n purp0ses.

source fr0m,http://en.wikipedia.org/wiki/Portal:Technology_and_applied_sciences