An outer screen, he knew, surrounded the whole cluster.

I'm betting that they can't begin to drive anything through even our outer screen.

The outer screen is drawing five hundred and forty thousand!

We could enclose the cage in metal that will take an outer screen.

They had acquired the low-level raiders only a minute from the outer screen.

Analysis could come later, after he had found out whether the generator of this outer screen was a machine or a living brain.

No, decided Eric, he would still feel safe without the outer screen.

Therefore I want an outer screen of your ships around the convoy.

And, before he could do much more than put a hand to his construction panel, that outer screen began to show black spots of failure!

All eyes were on him as he slowly brought the outer screens into focus.