And no telling how deep its scanning beam penetrated.

As I brought the scanning beam over the area of hollowness, the needle shot way up into the blue end of the spectrum.

And down the center, in the wake of the narrow scanning beams, ran a tiny, hairline crack.

We've got so much stuff between here and there already that a scanning beam isn't going to make that much difference.

Had the scanning beam come from that globe?

Even the normal scanning beam could be dangerous.

So the scanning beam went through and through, like a blade of energy.

They would reflect or scatter one hundred percent of any scanning beam.

Instead, a scanning beam flashed into being and began tracing its way across the bridge.

You're sure this record is a scanning beam?