Bombs whose yield was lethal radiation exploded along the limits of her defense.
Sick individuals, wasted by the lethal radiation that blanketed the overground.
Yet the disruption of these forces leads to nuclear explosions or lethal radiation.
That light was only the iceberg tip of a flood of lethal radiation.
One day, his father (who is also the head scientist) drives him across the surface to see a glimpse of Earth, glowing with lethal radiation.
A hole in the spherical artifact is pouring out lethal radiation.
He did not want them shooting off weapons that would release potentially lethal radiation no matter how powerful they might be.
It had darkened to his right, where a sun was close enough to show a small disk and kick out some lethal radiation.
If there were lethal radiation he should have died already.
The flaw itself would be emitting very high levels of lethal radiation.