Joe closed his eyes. There was a low, unmusical humming in his ears and that was all. He tried to shake his head and couldn't, so he said: "No, I don't."

"When was the World Federation formed?"

"I don't know."

"Are you lying?"

"No."

One of the other Psychologists standing nearby looked up from the little box he held in his hand and said that Joe wasn't lying.

The first Psychologist raised his eyebrows. "We'll try another Projector."

While Technicians dismantled Joe's Projector and examined it for shorts or haywire, the Psychologists had Joe sit down under all the other Projectors in 1stY-Cubicle 149. Then they tried 148 and 150.

"It's some kind of block," the first Psychologist said finally, looking profound to cover up his tizzy. "There's some kind of barrier in his mind."

Joe Caradac clenched his fists. "That's not true—I want to learn!"