"That energy," said Kingsley, a fanatical flame in his eyes. "Think of what could be done with it. We could set up a huge framework of fifth-dimensional space, use it as an absorber, a battery. We could send energy almost anywhere throughout the universe. A central universal power plant.”
"First," declared Tommy, "you'd have to control it, be able to direct it in a tight beam.”
"First," insisted Caroline, "we have to do something about this other universe.”
"Wait a second," said Gary. "We've forgotten something. We asked those people in the other universe to come over and help us, but we don't need them now.”
He looked at the Engineer. "Have you heard from them?" he asked.
"Yes," said the Engineer. "I have heard from them. They still want to come.”
"They still want to come?" Astonishment rang in Gary's voice. "Why should they want to come?”
"They want to emigrate to our universe," said the Engineer. "And I have agreed to allow them to do so.”
"You have agreed?" rumbled Kingsley. "And since when has this universe been in the market for immigrants? We don't know what kind of people they are.
They might be dangerous. They may want to destroy the present life within the universe.”