Isaac Asimov's Robots and Aliens 3 - Intruder

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Isaac Asimov's Robot City: Robots And Aliens Book 3: Intruder by Robert
Thurston
ISAAC ASIMOV’S
ROBOT CITY
ROBOTS
AND ALIENS
Intruder by Robert Thurston
Copyright © 1990
For My Lovely Ladies,
Rosemary and Charlotte
WHAT IS A HUMAN BEING?
ISAAC ASIMOV
It sounds like a simple question. Biologically, a human being is a member of
the species Homo sapiens. If we agree that one particular organism (say, a
male) is a human being, then any female with which he can breed is also a
human being. And any males with whom any of these females can breed are also
human beings. This instantly marks up billions of organisms on Earth as human
beings.
It may be that there are organisms that are too old to breed, or too young, or
too imperfect in one way or another, but who resemble human beings more than
they resemble any other species. They, too, are human beings.
We thus end up with something over 5 billion human beings on Earth right now,
and perhaps 60 billion who have lived on Earth since Homo sapiens evolved.
That’s simple, isn’t it? From the biological standpoint, we are all human
beings, whether we speak English, Turkish, or Japanese; whether we have pale
skin or dark; red hair or black; blue eyes or brown; flat noses or beaky
ones; and so on.
That, however, is a biological definition, a sophisticated one. Now suppose
that you are a member of a primitive tribe, homogeneous in appearance,
language and culture, and you suddenly encounter someone who looks
superficially like you but has red hair, where you’ve seen only black; fair
skin where you’ve seen only dark; and, worst of all, who cannot understand
“people language” but makes odd sounds, which he seems to understand, but
which clearly make no sense whatever.
Are these strangers human beings in the sense that you yourself are? I’m
afraid the consensus would be that they are not. Nor is it entirely a matter
of lack of sophistication. The ancient Greeks, who were certainly among the
most sophisticated human beings who ever lived, divided all human beings into
two groups: Greeks and barbarians.
By barbarians, they didn’t mean people who were uncivilized or bestial. They
recognized that some barbarians, like the Egyptians and Babylonians and
Persians were highly cultivated. It was just that non-Greeks didn’t speak
Greek; they made sounds that made no more sense (to a Greek encountering other
languages for the first time) than a silly sound like “bar-bar-bar.”
You might feel that Greeks may have made that division as a matter of
convenience, but that they didn’t go so far as to think that barbarians
weren’t human.
Oh, didn’t they? Aristotle, one of the most sophisticated of all the ancient
Greeks, was quite certain that barbarians were slave-material by nature, while
Greeks were free men by nature. Clearly, he felt that there was something
sub-human about barbarians.
But they were ancients, however sophisticated they might have been. They had
limited experience, knew only a small portion of the world. Nowadays, we have
learned so much we don’t come to those foolish conclusions. We know that all
human-like creatures are a single species.
Yes? Was it so long ago that most White Americans were quite certain that
African Blacks were not human in the sense that they themselves were; that the
Blacks were inferior and that to enslave them and let them live on the
outskirts of a White society was doing them a great favor? I wouldn’t be
surprised if some Americans believe that right now.
It was not so long ago that Germans maintained loudly that Slavs and Jews were
sub-human, so that they were right to do their best to rid “true” human beings
of such vermin. And I wouldn’t be in the least surprised if there were lots of
people right now who harbor similar notions.
Almost everyone thinks of other groups as “inferior,” although often they do
not care to say so out loud. They tend to divide humanity into groups of which
only a small part (a part which invariably includes themselves) are “true”
human beings.
The Bible, of course, teaches universality (at least, in places). Thus,
consider one of my own favorite passages in the New Testament, the parable of
the “good Samaritan” (Luke 10:25-37). Someone tells Jesus that one of the
beliefs one must have if one is to go to Heaven is “to love...thy neighbour as
thyself. “ Jesus says he is correct and the man asks, “And who is my
neighbour?” (In other words, does he love only his friends and people he
likes, or is he supposed to love all sorts of bums and rotters?)
And here comes the parable of the good Samaritan. To put it briefly, a man
needs help, and both a Priest and a Levite (professional do-gooders, who are
highly esteemed by pious people) ignore the whole matter, but a Samaritan
offers a great deal of help.
Now we talk so much about a “good” Samaritan because of this parable, that we
think of the Samaritans as all good and are not surprised at the help he
offers. However, to the pious Jews of Jesus’ time, Samaritans were heretics,
things of evil, objects of hatred—and here we have a despised Samaritan doing
good when Priests and Levites do not.
And then Jesus asks, “Which now of these three, thinkest thou, was neighbour
unto him that fell among the thieves?” And the man is forced to say, “He that
shewed mercy on him.”
This is as much to say that all good people are neighbors even when they are
the kind of beneath-contempt individuals as Samaritans are. And it follows,
since all human beings have the capacity to be good, all people are neighbors
and love should extend to all.
St. Paul says in Galatians 3:28: “There is neither Jew nor Greek; there is
neither bond nor free; there is neither male nor female: for ye are all one in
Christ Jesus.”
That is a flat statement of universality.
I know that there are many pious people who know these passages and who
nevertheless maintain racist views of one sort or another. Such is the desire
to be part of a superior group that nothing can wipe out the tendency to
picture others as inferior; to divide human beings into a)human, b)semihuman,
and c)sub-human, being careful always to put yourself into the first class.
And if we have such trouble in getting human beings to define what a human
being is, imagine the problem a robot would have. How does a robot define a
human being?
In the old days, when I was first beginning to write my robot stories, John W.
Campbell (my editor and mentor) challenged me on several occasions to write a
story that hinged on the difficulty of defining a human being. I always backed
off. I did not have to try writing such a story to know that it would be a
particularly difficult one to write and that I couldn’t do it. At least, not
then.
In 1976, however, I finally tackled the job and wrote “The Bicentennial Man. “
It dealt essentially with a robot that became more and more human, without
ever being accepted as a human being. He became physically like a human being,
mentally like a human being, and yet he never crossed the line. Finally, he
did, by crossing the last barrier. He made himself mortal, and as he was
dying, he was finally accepted as a human being.
It made a good story (winning both the Hugo and the Nebula) but it didn’t
offer a practical way of distinguishing between robot and human being, because
a robot couldn’t wait for years to see if a possible human being died and thus
proved itself to be a human being.
Suppose you are a robot and you have to decide whether something that looks
like a human being is really a human being, and you have to do it reasonably
quickly.
If the only robots that exist are primitive, there is no problem. If an object
looks like a human being but is made of metal, it is a robot. If it talks in a
mechanical kind of voice. moves with awkward jerky motions, and so on and so
on, it is a robot.
But what if the robot looks, superficially, exactly like a human being (like
my robot, Daneel Olivaw), How can you tell that he’s a robot? Well, in my
later robot novels, you can’t, really. Daneel Olivaw is a human being in all
respects except that he’s a lot more intelligent than most human beings, a lot
more ethical, a lot kinder and more decent, a lot more human. That makes for a
good story, too, but it doesn’t help identify a robot in any practical sense.
You can’t follow a robot around to see if it is better than a human being, for
you then have to ask yourself—is he (she) a robot or just an unusually good
human being?
There’s this—
A robot is bound by the Three Laws of Robotics, and a human being is not. That
means, for instance, that if you are a human being and you punch someone you
think may be a robot and he punches you back, then he is not a robot. If you
yourself are a robot, then if you punch him and he punches you back, he may
nevertheless be a robot, since he may know that you are a robot, and First
Law does not prevent him from hitting you. (That was a key point in my early
story, “Evidence.”) In that case, though, you must ask a human being to punch
the suspected robot, and if he punches back he is no robot.
However, it doesn’t work the other way around. If you are a human being and
you hit a suspected robot, and he doesn’t hit you back, that doesn’t mean he
is a robot. He may be a human being, but a coward. He may be a human being but
an idealist, who believes in turning the other cheek.
In fact, if you are a human being and you punch a suspected robot and he
punches you back, then he may still be a robot, nevertheless.
After all, the First Law says,..A robot may not harm a human being or, through
inaction, allow a human being to come to harm.” That, however, begs the
question, for it assumes that a robot knows what a human being is in the first
place.
Suppose a robot is manufactured to be no better than a human being. Human
beings often suppose other people are inferior, and not fully human, if they
simply don’t speak your language, or speak it with an odd accent. (That’s the
whole point of George Bernard Shaw’s Pygmalion.) In that case, it should be
simple to build a robot within whom the definition of a human being includes
the speaking of a specific language with a specific accent. Any failure in
that respect makes a person the robot must deal with not a human being and the
robot can harm or even kill him without breaking the First Law.
In fact, I have a robot in my book Robots and Empire for which a human being
is defined as speaking with a Solarian accent, and my hero is in danger of
death for that very reason.
So you see it is not easy to differentiate between a robot and a human being.
We can make the matter even more difficult, if we suppose a world of robots
that have never seen human beings. (This would be like our early
unsophisticated human beings who have never met anyone outside their own
tribe.) They might still have the First Law and might still know that they
must not harm a human being—but what is this human being they must not harm?
They might well think that a human being is superior to a robot in some ways,
since that would be one reason why he must not be harmed. You ought not to
offer violence to someone worthier than yourself.
On the other hand, if someone were superior to you, wouldn’t it be sensible to
suppose that you couldn’t harm him? If you could, wouldn’t that make him
inferior to you? The fallacy there ought to be obvious. A robot is certainly
superior to an unthinking rock, yet a falling rock might easily harm or even
destroy a robot. Therefore the inferior can harm the superior, but in a well-
run Universe it should not do so.
In that case, a robot beginning only with the Laws of Robotics might well
conclude that human beings were superior to robots.
But then, suppose that in this world of robots, one robot is superior to all
the rest. Is it possible, in that case, that this superior robot, who has
never seen a human being, might conclude that he himself is a human being?
If he can persuade the other robots that this is so then the Laws of Robotics
will govern their behavior toward him and he may well establish a despotism
over them. But will it differ from a human despotism in any way? Will this
robot-human still be governed and limited by the Three Laws in certain
respects, or will it be totally free of them?
In that case, if it has the appearance and mentality and behavior of a human
being, and if it lacks the Three Laws, in what way is it not a human being?
Has it not become a human being in actuality?
And what happens if, then, real human beings appear on the scene? Do the Three
Laws suddenly begin to function again in the robot-human, or does he persist
in considering himself human? In my very first published robot story,
“Reason,” come to think of it, I described a robot that considered himself to
be superior to human beings and could not be argued out of it.
So what with one thing or another, the problem of defining a human being is
enormously complex, and while in my various stories I’ve dealt with different
aspects of it, I am glad to leave the further consideration of that problem to
Robert Thurston in this third book of the Robots and Aliens series.
CHAPTER 1
ROBOT CITY DREAMS
Derec knew he was dreaming. The street he now ambled down wasn’t real. There
had never been a street anywhere in Robot City like this distorted
thoroughfare. Still, too much was familiar about it, and that really scared
him.
The Compass Tower, now too far in the distance, had changed, too. There seemed
to be lumps allover its surfaces, but that was impossible. In a city where
buildings could appear and disappear overnight, the Compass Tower was the only
permanent, unchangeable structure.
It was possible this strange street was newly created, but he doubted that. It
was a dream-street, plain and simple, and this had to be a dream. Anyway,
where were the robots? Nobody could travel this far along a Robot City street
without encountering at least a utility robot scurrying along, on its way to
some regular task; or a courier robot, its claws clutching tools; or a witness
robot, checking the movements of the humans. During a stroll like this, Derec
should have encountered a robot every few steps.
No, it was absolutely certain this was a dream. What he was doing was sleeping
in his ship somewhere in space between the blackbody planet and Robot City. He
had just come off duty after dealing with the Silversides for hours, a task
that would tire a saint.
At one time, just after his father had injected chemfets into his bloodstream,
he had regularly dreamed of Robot City, but it turned out that his harrowing
nightmares had all been induced by a monitor that his father had implanted in
his brain. The monitor had been trying to establish contact so he could be
aware of the nature of the chemfets, which were tiny circuit boards that grew
in much the same manner as the city itself had. Replicating in his bloodstream
and programmed by his father, they were a tiny robot city in his body, one
that gave him psycho-electronic control over the city’s core computer and
therefore all its robots. After he had known this and the chemfets’
replication process had stabilized, he had had no more nightmares of a
distorted Robot City.
Until now.
Since he was so aware he was dreaming, perhaps this was what Ariel had
explained to him as a “lucid dream.” In the lucid dream state, she said, the
dreamer could control the events of the dream. He wanted to control this
dream, but at the moment he couldn’t think of anything particular to do.
He looked around him. The immediate streetscape seemed composed of bits and
pieces from several stages of the city’s development, a weird composite of
what Derec had observed during his several stays there.
But where were the robots?
If this was a lucid dream, maybe the reason he hadn’t seen any yet was that he
hadn’t guided any into the scene. Maybe they were waiting inside the buildings
to be summoned. Maybe he should do so, before he panicked. But which one could
he bring onstage? How about Lucius, the robot who had created the city’s one
authentic artistic masterpiece, the breathtaking tetragonal, pyramidal
building-sculpture entitled “Circuit Breaker”? He’d be a good choice since, as
the victim of a bizarre roboticide, he no longer existed. It certainly would
be pleasant to see old Lucius again, his body so unrobotically stooped, if
only to chat with him about art. There hadn’t been much art in his life
lately, especially if you didn’t count the rather breathtaking spectacle of a
thousand blackbodies spread across the sky. That was pretty, but it wasn’t
art.
He wondered why his thoughts were rambling so. Had the Silversides disturbed
his mind’s equilibrium that much? Forget them. Forget them now. Get a normal
robot into the dream. One of the most unforgettable robots he had known.
Avernus, say. Let’s see his stern visage again, his jet-black metallic skin,
his interchangeable hands. He concentrated on Avernus, but the robot didn’t
appear. How about Euler and his glowing photocell eyes? Nope, no deal. Let’s
try for Wohler, then, before he went nonfunctional trying to save Ariel on the
outer wall of the Compass Tower. Golden and impressive, Wohler would be a
wonderful choice. But no Wohler responded to his summons. He would have to
talk to Ariel about this. As a lucid dream, it was shaping up as one hell of a
failure.
Ariel, in her compartment aboard the ship, was also dreaming. Hers was not,
however, a lucid dream. Deeper than that, it was a clearcut nightmare.
Jacob Winterson, the humaniform robot who had been her servant, existed again.
Jacob had been destroyed by Neuronius, one of the flying aliens called
blackbodies. He had blown up and mangled most of Jacob (and himself in the
bargain). The few charred pieces that remained were now buried in some
unmarked area of the agricultural community she had initiated as a political
compromise with the blackbodies. The compromise had worked. They had been
about to destroy their planet’s new robot city entirely because it was a
threat to their weather systems; however, an agricultural community was
acceptable to all sides.
She missed Jacob. Very much. In that comfortable, detached way a human could
love a robot, she had loved him. Not that it could ever have been real love.
She was too much in love with Derec to be unfaithful to him except in dreams.
On the other hand, she could not deny that she had not sometimes been
romantically attracted toward the handsome and imperturbable humaniform robot.
In the dream, Jacob sat in front of a computer terminal, his humanlike fingers
flying over the keyboard, pressing keys as if he wanted to push them all the
way through, making the screen shake with the ferocity of his entries.
She asked him what he was doing. He said he was searching for the formula
that would transform a humaniform robot into a human being. There was no such
formula, she told him. When he turned toward her, his eyes seemed filled with
a frightening human anger. He protested that there were at least a hundred
Earth and Spacer legends in which creatures changed into human beings.
Statues, puppets, fish, trees, all became human in such myths. He was certain,
he said with an un-Jacobian shrillness, that there had to be a formula by
which he, too, could be transmogrified.
Why did the Compass Tower look so diseased? Derec asked himself. Was it
possible for him, as a lucid dreamer, to change that? He concentrated on the
building’s shape, trying to restore it to its architecturally magnificent
pyramidal form. But nothing happened. If anything, the tower became uglier,
and he had to look away from it.
In the distance something came toward him, traveling down the street at a high
speed. As it passed by buildings, the buildings changed. When it neared, he
saw it was a vehicle, but one quite unlike any Robot City mode of
transportation. It ran on three thick wheels, making it vaguely resemble a
jitney, the smaller, lighter utility type of vehicle used for taxiing around
the city. The vehicle’s body was misshapen, as if a lot of ungeometric chunks
had been welded together on a long central stem. It was colored black and gray
in an illogical and splotchy fashion.
Still certain he was in the midst of a lucid dream, Derec stood defiantly in
the center of the roadway —daring the vehicle to come to a screeching stop at
his feet. Which it did. Good, he thought, I’m in control of the dream at
last. Just watch me now.
A large hatch at the top of the vehicle sprang open with an explosive sound,
and Dr. Avery, his father, pulled himself through the opening. What kind of a
lucid dream was this? The last person he wanted to see was his megalomaniacal
father, interfering in a dream in just the way he’d interfered with Derec’s
life, injecting him with chemfets and transforming him into a walking
computer. Half-computer, anyway.
Avery was looking more demented than usual. His eyes, usually intense, now
glowed with an overdramatic madness. In fact, Avery looked so exaggerated
that Derec felt he could relax. No reason to be afraid, after all, just a
dream. A dream he would seize control of at any moment.
Ariel placed her hand upon Jacob’s. His hand, she noted, felt soft, more like
human than humaniform. She told him to stop. There was no need for him to
become human. Even if he found a formula, it would be foolish to use it. As a
humaniform robot, Jacob had all the virtues of human existence without all the
miseries, without human physical and emotional pains.
Jacob turned away from the computer and looked at Ariel, for a moment a
humanlike sadness in his eyes.
“Don’t you see?” he said, “I want the misery. I want to feel what a human
feels. Pain, happiness, love. I want to love you, Mistress Ariel.”
She put a finger on his lips. In contrast to his hand, they felt robotic, hard
metal lips that could, if she pressed hard enough, make her fingertip bleed.
She almost wanted to test that out. If she tried to cut her hand, would Jacob
be able to invoke the First Law of Robotics—the part stating that a robot
could not allow a human to come to harm—fast enough to prevent her from
succeeding?
“You can’t love me, Jacob,” she said tenderly. “I love Derec, so there’s no
point in your loving me. It would be—what do they call it in romances—
unrequited.”
“That wouldn’t matter. I would be happy with that, too. I could respond to it,
as in your great literary works. I could, like one of your legendary lovers,
die falling off a bridge or swimming a river or with a vial of poison and a
great dagger plunging in—”
“Hush, Jacob. Please stop. I wouldn’t want you to die for me.”
“I am already dead.”
“No, don’t say that. You’re here. You’re—”
“In a grave.”
“Jacob—”
“A rotting scrap pile of metal, spare parts covered by soil.”
His words were so fiercely spoken they frightened her. She backed away from
him.
Dr. Avery was dressed in a black-and-gray silver-buttoned uniform that seemed
too militaristic for a scientist.
“You look bemused,” he said, then added almost contemptuously: “...my son.
What is bothering you?”
“It’s well, it’s that this is my dream, and I’m supposed to be in control, and
you’re not welcome in it.”
Avery smiled sinisterly. “You can’t get me out of it. I am everywhere. In the
city, in your dreams, in your hat.”
“My hat? I don’t even wear a—”
“Just an old Earth expression. I am an expert in old Earth expressions. Can
it, flip out, you’re the bee’s knees, life is hard and then you die. I know
Earth expressions from all parts of its history.”
“But I wouldn’t know any, and this is my dream, and you come out of my mind.”
“Are you sure?”
“I know you’re nowhere near. I am on a ship heading for Robot City. You may be
in the city, muddling things up as usual, but you’re not on this ship.”
“Maybe I am. I am, after all, omniscient and omnipotent.”
“I know, I know. Always a god in your own mind.”
“Yes.”
If this was a lucid dream, Derec thought, then he should be able to flee from
the old bastard. He whirled around and started running down the street. On
both sides of him buildings seemed to slip into the ground while new ones
popped out.
Many buildings were oddly shaped, not at all like any existing Robot City
ones. Some were tilted at odd angles, with several leaning into others while
others leaned away. In the distance a tall edifice swayed from side to side as
if caught in a violent wind. But there was a rhythm to its swaying, reminding
him of a dance. What dance? Something intruding from his past, a vague memory
that would not get focused. His past had a way of doing that, with some memory
fragment flashing into his mind and going right out again before he could make
any connection with it. There were so many parts of his past life that were
still blocked from his mind by the amnesia that had once been total.
Ariel suddenly found herself in an underground corridor on Earth, but it
looked nothing like any of the tunnels she had seen during her actual visit
there. For one thing, it was deserted. You never saw an empty passageway on
Earth. Human bodies were visible everywhere, except in private quarters.
Her steps echoed hollowly through the corridor, with a hundred echoes of
echoes. She felt as if she were being hounded by a mob of people all walking
at her exact pace. Each time she turned around to confront her trackers, there
was no one in sight.
She came to a Section Kitchen, the kind of public eating area she’d come to
despise. Plenty of food steamed on cafeteria-style trays, but no people sat at
the many numbered tables or worked behind the counters. The room looked as if
there had been a sudden alarm and everyone had scurried out.
She felt hungry, and, taking a spoon and wiping it thoroughly on a paper
napkin (she was an Auroran, after all, who was repelled by Earth’s poor
hygienic habits), she scooped out a biteful of something soft and white.
However, when she put it in her mouth, it seemed to flame up and singe her
tongue and the roof of her mouth. She spit it out.
“Are you poisoned, Mistress Ariel?” It was Jacob again, appearing at her side
as if by magic.
“No. But it is good of you to ask.”
“I must. First Law.”
“Oh, of course. If you decide to become human, Jacob, you won’t have to obey
the Laws of Robotics any more. I’ll miss the advantage of having you protect
me.”
“I would protect you, mistress, whether I were human or robot.”
There was something so touching, something so sad and vulnerable about this
dream version of her dead robot companion, that Ariel began to cry. She cried
in her dream, and she was still crying when she woke up.
Derec looked back. Avery and his strange vehicle had vanished from the center
of the street. Good, at least something in this lucid dream had worked out
right.
Ahead of him there was a park. Derec could see tall trees, thick with
branches, heavy with green leaves. Brightly colored flowers lined cobblestone
paths. Metal umbrellas shaded soft lights that were spaced evenly along the
pathways. At the top of a slight rise, he could see swings, slides, see-saws,
monkey bars, all the equipment of a playground.
He raced toward the park, picking up his pace. The street seemed to speed
beneath him as if he were powering a treadmill. Before he reached the park,
the buildings lining the street grew larger, towering over the thoroughfare,
bending toward it, shading the light and making everything darker.
His last step from the city street onto the park’s cobbled path was an
impressive leap, one longer than he could normally accomplish. Landing, he
stumbled forward for several steps.
He started walking toward the playground. The pathway was soft, resilient. He
decided to trot, and the bounciness of the path added a spring to his steps.
He attained such a speed that he nearly skidded past the playground entrance.
A closed gate blocked the way into the playground. Above the gate was a gilded
sign that read, A VERY PARK. The old reprobate, he’d named a park after
himself. What gall! playgrounds were supposed to represent happiness and joy.
In no way did they suggest the doctor’s monstrous cynicism.
Underneath the large sign was a smaller one that read, STAND ON SOAP, ALL
GEEKS WHO MENTOR HERE. What did Avery mean by that? And how could he, after
all, mean anything? He was merely a figure in Derec’s dream. The real question
was how could Derec’s mind have formed this unusual scene, these strange
words. He would have to discuss all this with Ariel, the expert on such
matters.
When he opened the gate, there was a sonorous beep as the gate-latch separated
from its fastening. A deep voice that seemed to come from above said,
“Welcome. Enjoy.”
“Enjoy what?” Derec asked. There was no reply, no doubt because the voice was
a recording cued by the opening of the gate.
Tentatively he took a couple of steps into the playground. To his immediate
right was a high slide. Even though he didn’t remember his childhood, he knew
it was a slide. It even looked like a familiar one. Walking up to it, he
discovered it was incomplete. No ladder led up to the platform from which a
child would start his downward plunge. The slide appeared to stand without any
support.
An overwhelming urge to try out the slide came over him. Although he could
have climbed from the bottom edge of the slide up to the platform at its top,
he knew he had to start from the platform itself. This was his lucid dream and
he could do anything he wanted to, including jump higher than was physically
possible. Crouching down as close to the ground as he could get, he jumped up.
He reached for the edge of the platform, but just missed. Back on the ground,
he scrunched down again and made a second, magnificent leap that took him
higher than the level of the platform. Reaching out, he grabbed its rim.
Struggling and grunting, he pulled himself onto the small platform. It bounced
up and down like a diving board, nearly flinging him back to the ground.
The slide seemed even taller than it had from ground level, or else he had
become very small, a child again. Looking down at his hands, he saw they’d
shrunk. They were child’s hands. Not only that, his clothing had been
magically transformed. He was now dressed in one of those silver jumpers that
were once all the rage for toddlers. (How did he know about silver jumpers?)
Before he could even speculate on this mystery, a voice from down below called
to him: “C’mon down the slide, honey. I’ll catch you.”
There was a woman standing at the foot of the slide. She seemed tall and thin,
but he could not make out the details of her face, even though it was turned
upward at him. Her voice was soft and wonderfully friendly. He felt ready to
slide down to her. But, even as he stared at her, her shape changed. Now she
was a short, rather plump lady in odd, out-of-date clothes, but the face was
still not discernible. Was this some trick of one of the Silversides? Were
they experimenting with human shapes, using pictures they extracted from the
ship computer?
“Don’t be afraid, honey,” the woman said. Was he mistaken, or was that Eve
Silverside’s voice? “You won’t falloff the slide. It’ll be all right.”
If it was a Silverside, he or she just might make him fall to the ground by
pulling her hands away just as he reached the bottom edge. He shrunk back, no
longer wanting to slide down.
The woman was now medium height, medium build, wearing a pristinely white lab
smock. No matter what shape she took, what clothes she wore, he still saw no
face. He knew there was a face there. It just wouldn’t come into focus for him
in spite of the vivid details of the rest of her.
“Let go of those bars, dear, and come down. Don’t worry. Mommy’ll catch you.”
Mommy! This was his mother? No, it must be a Silverside, playing a joke. He
didn’t know his mother and, in fact, knew very little about her. His father
had provided no information. How could a Silverside even hope to duplicate
her? Wait. This was a dream. The woman below was neither Silverside nor his
mother. It was an apparition from his own mind.
One thing he did know now. He didn’t want to go down the slide, not even to
his mother’s eagerly awaiting arms. He started to scream. His screams sounded
childlike, shrill, highpitched, tremulous.
“No, I’m not coming down. I’m not! I’m not!”
“It’s all right, David. Mommy’s right here.”
David: his real name, or at least the one that Ariel and his father had said
was the right one. Perhaps this was no dream and this was really his mother.
If he slid down, he could see her better. But her arms might turn into knives,
fire, pain. He was suddenly very afraid of her.
“Leave me alone!” he screamed. “Leave me alone!”
Suddenly the bars he was clutching became red-hot, and so did the metal
beneath him. It felt the way a slide did when it had been standing in the sun
at high noon on the hottest day of the year. (How did he know that?)
He could not hold on.
He had to let go.
He slid down, screaming.
His mother’s face seemed to come up at him, but there were still no
recognizable features on it.
He saw her reach out toward him.
And woke up.
He could feel the sweat on his face as he stared up into the lovely face of
Ariel Welsh. She stood beside his bunk, her arms reaching out to him just like
his dream-mother’s had.
CHAPTER 2
DEALING WITH THE SILVERSIDES
Ariel rubbed Derec’s forehead gently. The way she touched him was now one of
his favorite things in life. It seemed to him that her fingertips did not
actually make contact with his skin but merely gave off comforting rays as
they passed above it. Ariel had told him that there were people who appeared
to heal the sick because of the comforting warm emanations that came from
their hands. The warmth had actually been measured and was sometimes burning
hot. On the planet Solaria, she told him, such affection or healing was rare.
Solarians obeyed taboos against touching others, and that seemed sad to her.
“You’re positively drenched in sweat, Derec. That must have been one whale of
a dream.”
“It was. Awful.”
“I know how you feel. I just had a lulu of a nightmare myself.”
“What was your dream about?”
She didn’t want to tell him that it concerned Jacob Winterson or that she had
awakened crying. He’d been somewhat jealous of Jacob, so the subject was best
ignored right now.
“Nothing special. Tell me yours.”
“There was the city, Robot City, and it was all strange, mixed up. And my
father in a car that looked like a disease. And...and...my mother...”
“Hush, hush. Take it easy. When you’re ready, tell me all about it, calmly
and in order.”
He nodded. Getting up from the bunk, he brushed past her. As he paced, he
concentrated on stretching the sleep out of his muscles and lowering his
breathing to an acceptable rhythm, “I thought I was having a lucid dream, but,
you know, I was never able to control it, not even for a second.”
As he related the dream, Ariel noted that his face and voice were childlike.
Sometimes she forgot how young they actually were. All the responsibility and
strain of their lives since they had first come to Robot City had seemed to
age them incredibly. Sometimes her mental image of herself was of a much older
woman, one who’d been coping with adversity for so long that the experience
registered in deep lines on her face. However, a look into any mirror showed
her the same young, almost adolescent, mien: the baby fat of her cheeks, the
brightness of her eyes, the radiance of her long black hair, the youthful
sheen of her skin. Her figure, once fairly gaunt, had filled out well, too—as
Derec so often reminded her.
Looking into his tired eyes, realizing he had not slept well for some time,
she wondered how a couple of kids like them had stumbled into a life filled
摘要：

IsaacAsimov'sRobotCity:RobotsAndAliensBook3:IntruderbyRobertThurstonISAACASIMOV’SROBOTCITYROBOTSANDALIENSIntruderbyRobertThurstonCopyright©1990ForMyLovelyLadies,RosemaryandCharlotteWHATISAHUMANBEING?ISAACASIMOVItsoundslikeasimplequestion.Biologically,ahumanbeingisamemberofthespeciesHomosapiens.Ifwea...

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