"Precisely. And if I'm wrong, and they prove of no use at all—we'll dismantle them and inform Research Library that any further such diagrams discovered are worthless."

The assistant straightened from his work.

"Finished?" Markten asked.

"I am. You know, though, even though they aren't exactly the same, they have a peculiar similarity to—"

"We built according to specifications. Ready?"

"Go ahead, Markten."


Markten first reduced the penetrating power of the laboratory operation-lamps to a subdued softness. The smooth metal walls of the rectangularly shaped laboratory seemed to melt away to nothingness, and most of the bluish light was focused on the contents of the two vats.

Markten pressed a control.

There was no sound as the electrical impulses surged through the structures they had made, and the silence itself seemed a part of their stillness. There was a faint odor now of ozone.