No particle accelerator built by human beings could ever distantly approach the energy of the most powerful cosmic rays.

Its powerful rays, unshielded by any atmosphere, had awakened him.

Their weak, stone bones were completely immune to the effects of even the most powerful magnetic ray.

And she was shooting out powerful erotic rays.

Rollins had an intuitive respect for these powerful penetrating rays.

Bull's-eye lanterns threw their powerful rays into the jewelry store.

For there, revealed in the powerful electrical rays, was what seemed to be a long tunnel, high and wide, as smooth as a paved street.

In turn the powerful rays were cast first at the bow and then aft.

As the phasers sang out, a smoking hole began to emerge beneath the powerful rays.

Presently the powerful rays of its searchlight shot downward from the bow.