Or been moved, though this was very unlikely. Where were the derrick and other evidence of such activity? It could hardly have been done in one night, and all signs so quickly concealed. And why should it be done at all?
Still, to make sure, he had asked the guard. He could almost remember verbatim his answer:
"No, Gnut has neither moved nor been moved since the death of his master. A special point was made of keeping him in the position he assumed at Klaatu's death. The floor was built in under him, and the scientists who completed his derangement erected their apparatus around him, just as he stands. You need have no fears."
Cliff smiled again. He did not have any fears.
Not yet.
2
A moment later the big gong above the entrance doors rang the closing hour, and immediately following it a voice from the speakers called out, "Five o'clock, ladies and gentlemen. Closing time, ladies and gentlemen."
The three scientists, as if surprised it was so late, hurriedly washed their hands, changed to their street clothes and disappeared down the partitioned corridor, oblivious of the young picture man hidden under the table. The slide and scrape of the feet on the exhibition floor rapidly dwindled, until at last there were only the steps of the two guards walking from one point to another, making sure everything was all right for the night. For just a moment one of them glanced in the doorway of the laboratory, then he joined the other at the entrance. Then the great metal doors clanged to, and there was silence.
Cliff waited several minutes, then carefully poked his way out from under the table. As he straightened up, a faint tinkling crash sounded at the floor by his feet. Carefully stooping, he found the shattered remains of a thin glass pipette. He had knocked if off the table.
That caused him to realize something he had not thought of before: A Gnut who had moved might be a Gnut who could see and hear-and really be dangerous. He would have to be very careful.
He looked about him. The room was bounded at the ends by two fiber partitions which at the inner ends followed close under the curving bottom of the ship. The inner side of the room was the ship itself, and the outer was the southern wall of the wing. There were four large high windows. The only entrance was by way of the passage.
Without moving, from his knowledge of the building, he made his plan. The wing was connected with the western end of the museum by a doorway, never used, and extended westward toward the Washington Monument. The ship lay nearest the southern wall, and Gnut stood out in front of it, not far from the northeast corner and at the opposite end of the room from the entrance of the building and the passageway leading to the laboratory. By retracing his steps he would come out on the floor at the point farthest removed from the robot. This was just what he wanted, for on the other side of the entrance, on a low platform, stood a paneled table containing the lecture apparatus, and this table was the only object in the room which afforded a place for him to lie concealed while watching what might go on. The only other objects on the floor were the six manlike robot attendants in fixed stations along the northern wall, placed there to answer visitors' questions. He would have to gain the table.
He turned and began cautiously tiptoeing out of the laboratory and down the passageway. It was already dark there, for what light still entered the exhibition hall was shut off by the great bulk of the ship. He reached the end of the room without making a sound. Very carefully he edged forward and peered around the bottom of the ship at Gnut.
He had a momentary shock. The robot's eyes were right on him!-or so it seemed. Was that only the effect of the set of his eyes, he wondered, or was he already discovered? The position of Gnut's head did not seem to have changed, at any rate. Probably everything was all right, but he wished, he did not have to cross that end of the room with the feeling that the robot's eyes were following him.
He drew back and sat down and waited. It would have to be totally dark before he essayed the trip to the table.
He waited a full hour, until the faint beams from the lamps on the grounds outside began to make the room seem to grow lighter; then he got up and peeped around the ship once more. The robot's eyes seemed to pierce right at him as before, only now, due no doubt to the darkness, the strange internal illumination seemed much brighter. This was a chilling thing. Did Gnut know he was there? What were the thoughts of the robot? What could be the thoughts of a manmade machine, even so wonderful a one as Gnut?
It was time for the cross, so Cliff slung his camera around on his back, went down on his hands and knees, and carefully moved to the edge of the entrance hall. There he fitted himself as closely as he could into the angle made by it with the floor and started inching ahead. Never pausing, not risking a glance at Gnut's unnerving red eyes, moving an inch at a time, he snaked along. He took ten minutes to cross the space of a hundred feet, and he was wet with perspiration when his fingers at last touched the one-foot rise of the platform on which the table stood. Still slowly, silently as a shadow, he made his way over the edge and melted behind the protection of the table. At last he was there.
He relaxed for a moment, then, anxious to know whether he had been seen, carefully turned and looked around the side of the table.
Gnut's eyes were now full on him! Or so it seemed. Against the general darkness, the robot loomed a mysterious and still darker shadow that, for all his being a hundred and fifty feet away, seemed to dominate the room. Cliff could not tell whether the position of his body was changed or not.
But if Gnut was looking at him, he at least did nothing else. Not by the slightest motion that Cliff could discern did he appear to move. His position was the one he had maintained these last three months, in the darkness, in the rain, and this last week in the museum.
Cliff made up his mind not to give way to fear. He became conscious of his own body. The cautious trip had taken something out of him-his knees and elbows burned and his trousers were no doubt ruined. But these were little things if what he hoped for came to pass. If Gnut so much as moved, and he could catch him with his infrared camera, he would have a story that would buy him fifty suits of clothes. And if on top of that he could learn the purpose of Gnut's moving-provided there was a purpose-that would be a story that would set the world on its ears.
He settled down to a period of waiting; there was no telling when Gnut would move, if indeed he would move that night. Cliff's eyes had long been adjusted to the dark and he could make out the larger objects well enough. From time to time he peered out at the robot-peered long and hard, till his outlines wavered and he seemed to move, and he had to blink and rest his eyes to be sure it was only his imagination.
Again the minute hand of his watch crept around the dial. The inactivity made Cliff careless, and for longer and longer periods he kept his head back out of sight behind the table. And so it was that when Gnut did move he was scared almost out of his wits. Dull and a little bored, he suddenly found the robot out on the floor, halfway in his direction.
But that was not the most frightening thing. It was that when he did see Gnut he did not catch him moving! He was stopped as still as a cat in the middle of stalking a mouse. His eyes were now much brighter, and there was no remaining doubt about their direction: he was looking right at Cliff!
Scarcely breathing, half hypnotized, Cliff looked back. His thoughts tumbled. What was the robot's intention? Why had he stopped so still? Was he being stalked? How could he move with such silence?
In the heavy darkness Gnut's eyes moved nearer. Slowly but in perfect rhythm that almost imperceptible sound of his footsteps beat on Cliffs ears. Cliff, usually resourceful enough, was this time caught flatfooted. Frozen with fear, utterly incapable of fleeing, he lay where he was while the metal monster with the fiery eyes came on.