Collapse would bring disaster as much of our existing technologies, especially nuclear power and weapons fail, or fall into the wrong hands.

If the weapon failed, Khouri would again be her only means of acting.

"But in this case your weapon is failing you?"

But now, when the old weapons fail, doctors are finding success with a new one: killing tumors by freezing them.

There would be a kind of sigh when a weapon failed to reach the mark, that was all.

Without such a precise series of events, the weapon will fail to fire.

As he had more than half expected, the weapon failed to work.

The 'stabs who met us were also armed, but their weapons failed to fire.

Too often expensive weapons have failed to perform as advertised.

All the planes' weapons fail and Block realizes what has happened.