promieniowanie przenikliwe

But the hard radiation was something else, and it had done them no good.

He did not like the thought of being exposed to hard radiation.

The hard radiation all over the City has just tripled.

The space where she had been was obliterated in a flash of hard radiation.

Especially if the local sun puts out a lot of hard radiation.

And for a while there was certainly plenty of hard radiation around.

If the containment field went down, there would be little left of the station except some hard radiation.

Long before that, everybody aboard the ship would be dead from the intense levels of hard radiation.

Every twenty-three years, however, its primary gave off a burst of hard radiation.

Our men work with hard radiations a good deal, you see.