The door at the far end brought them to their destination. It was a large trapezoidal room, presumably as a consequence of its position between the core of the ship and the outer hull, predominantly white and gray. The wall at the wide end was dominated by an enormous display screen, below which stood a row of crew stations and instrument facia, all encumbered by noticeably fewer switches and buttons than would be normal for equivalent equipment on J5. Some desklike working surfaces and a number of unidentifiable devices occupied the central area of the room and the narrow end was raised to form a dais that carried three large, unoccupied chairs, standing behind a long console and facing the main display screen. This was almost certainly the place from which the captain and his lieutenants supervised operation of the ship.

Four Ganymeans were waiting in the large open area before the dais. The Earthmen drew up facing them and the ritual exchange of short speeches was repeated. As soon as the formalities had been concluded the Ganymean spokesman, Garuth as he had just identified himself, directed their attention to a collection of items arrayed along the top of one of the tables. For each of the Earthmen present there was a headband and wrist unit identical to those worn by all the Ganymeans, plus some smaller articles. One of the UNSA officers reached hesitantly toward them and then, reassured by gestures from the aliens that were obviously meant to convey encouragement, picked a headband to examine it more closely. One by one the others followed suit.

Hunt selected one and picked it up, only to find that it was practically weightless. What had seemed from a distance to be a jewel in the middle of the piece turned out in fact to be a flat, shiny disk of silvery metal about the size of a quarter, with a tiny dome of what appeared to be black glass mounted in the center. The band itself was far too short to encircle a Ganymean head and the metal showed signs of having been broken and crudely repaired--clearly the result of the device having been hastily modified to human proportions.

A huge, gray six-fingered hand with broad nails as well as flexible horn pads on the knuckles moved into Hunt's field of vision and gently took hold of the headband. He looked up and found himself staring into the eyes of one of the alien giants, who was now standing right beside him. The eyes were dark blue and contained enormous, circular pupils; Hunt could have sworn that they were twinkling with good-natured laughter. Before he had time to collect his reeling thoughts, the headband had been secured snugly in place. The Ganymean then picked up one of the smaller items, a rubbery disk attached to a padded clip, and attached it with a simple movement to the lobe of Hunt's right ear; it fitted quite comfortably in such a way that the disk rested lightly against the bony protrusion above the side of his neck. A similar device was fastened to the neck of his shirt collar, just visible inside the rim of the helmet-seating of his spacesuit. The gadget's disk was in contact with his throat. Hunt realized that the aliens were mingling freely and that all his colleagues were being assisted in a similar maimer. Before he could observe any more, his own giant held up the last item, the wrist unit, and demonstrated the ingenious adjustment method of the bracelet a few times before securing it on Hunt's suit forearm. The face of the unit was taken up almost entirely by what had to be a miniature display screen, although nothing was visible on it at that moment. The giant pointed to one of the tiny buttons set in a row beneath the screen and made a series of head movements and facial expressions that didn't mean very much. Then he turned away to an unattended Earthman who was having trouble fitting his earpiece into place.

Hunt looked around him. The unoccupied Ganymeans gathered round the room to witness these proceedings seemed to be waiting patiently for something to happen. Above them, framed in panorama on the main viewing screen, was the image of Jupiter Five , still riding five miles off. The sudden sight of something familiar and reassuring among all these strange surroundings at once swept away the dreamlike paralysis that had slowly been creeping over him. He looked down at the wrist unit again, shrugged, and touched the button that the giant had indicated.

"I am ZORAC. Good afternoon."

Hunt looked up again and turned to see who had spoken, but nobody was even looking at him. A puzzled frown formed on his face.

"You are who?" He heard the same voice again. Hunt looked from side to side and behind him again, completely bewildered. He noticed that one or two of the other Earthmen were acting in the same strange manner, and that a couple of them had started to mumble, apparently to themselves. And then he realized that the voice was coming from the earpiece he was wearing. It was the voice of the Ganymean interpreter that he had first heard on J5. In the same split second it dawned on him that the throat-piece was a microphone. Feeling, for a moment, slightly self-conscious at the thought of appearing as ridiculous as his colleagues, he replied, "Hunt."

"Earthmen talk to me. I talk to Ganymeans. I translate."

Hunt was taken completely by surprise. He had not expected to have to play so active a role in whatever developed, having seen himself more as an observer; now he was being invited to participate directly in the dialogue. For a moment he was nonplused because no intelligent continuation suggested itself.

Then, not wishing to give an impression of rudeness, he asked:

"Where are you?"

"Different parts in different places in the Shapieron. I am not a Ganymean. I am a machine. I believe the Earth word is computer. . ." A short pause followed, then: "Yes. I was correct. I am a computer."

"How did you manage to check that out so fast?" Hunt queried.

"I am sorry. I do not understand that question yet. Can you say it more simply please?"

Hunt thought for a second.

"You did not understand the word computer the first time. You did understand it the second time. How did you know?"

"I asked the Earthman who is talking to me in the egg inside Jupiter Five. "

Hunt marveled as he realized that ZORAC was no mere computer, but a supercomputer. It was capable of conducting and learning from independent and simultaneous conversations. That went a long way toward explaining the phenomenal progress it was making in its comprehension of English and accounted for its ability to memorize every detail of information without need for repetition. Hunt had seen some of Earth's most advanced language-translation machines in action on several occasions; compared to them ZORAC was staggering.

For the next few minutes the Ganymeans remained silent spectators while the Earthmen familiarized themselves with ZORAC and with the facilities that they now enjoyed for communicating both with it and through it. The headbands were miniature TV cameras through which the scene perceived by a wearer could be transmitted directly into the machine. The view from any headband could be presented on any wrist screen, as could any other item of information capable of graphic representation and available from the ship's computer complex. ZORAC--a collective name for this complex--provided not only a versatile mechanism enabling individuals to access and interact with the ship's many facilities, but also an extremely sophisticated means for individuals to communicate among themselves. And all this was merely a sideline; ZORAC's prime function was that of supervising and controlling just about everything in the Shapieron. That was why the instrument panels and consoles were so simple and straightforward in general appearance; most operations were carried out by means of vocal commands to ZORAC.