Axioms

by Paul Hsieh

The following is a work of fiction. Any resemblance to any real persons, either living or dead, is purely coincidental.

Permission is granted to distribute this freely on the internet via the following electronic channels: the Usenet newsgroup 'alt.philosophy.objectivism', other Usenet newsgroups, the mailing list Moderated Discussion of Objectivist Philosophy (MDOP), Paul Vixie's Objectivism mailing list, or via private e-mail. The only condition I impose is that this story be distributed unaltered and intact, with this copyright notice included in its entirety.

However, I do not grant permission for this to be circulated on the mailing list Objectivism Study Group (OSG). Based on what I know of that group, I have nothing against individual OSG members or their moderator, Robert Stubblefield. In fact, if I later deem it to be in my self-interest, I would consider joining OSG and abiding by their conditions.

But it has been made clear to me that at this point in time, OSG policy is such that the OSG list declines to trade values with me (due to the fact that I sometimes post to MDOP).

Hence, I wish to decline to add my values to the OSG mailing list. My self-respect demands no less.

Members of OSG are of course welcome to read this story through any of the above-mentioned channels.

Since I don't read OSG, I will be unable to determine if my request will be honored. However, rational members of OSG who have read this copyright notice will know. If my intellectual property rights have been violated, I would appreciated being informed.

Otherwise, any constructive comments or criticisms about literary or philosophical aspects of this story will be happily received.

Thank you.

(C) Paul Hsieh, September 1994.


AXIOMS

A Short Story

by Paul S. Hsieh

"Sometimes, Walter, you Objectivists can be so damned exasperating!", said Dr. Rawlings. "I just came out of an oral thesis defense of one of the Computer Science graduate students. He was so damned certain he was right about the nature of knowledge. He dared to cite Ayn Rand as the inspiring influence behind his work on pseudo-conceptual database engines, knowing full well that I was on his committee and that I think her work on epistemology is a crock of shit!".

Jeremy Rawlings, Professor of Computer Science and Adjunct Professor of Neurobiology shook his soup spoon in mock-anger. A drop of clam chowder flew from the edge of the spoon and landed on his chin, the pale white of the soup blending in with the grey hairs of his thick, well-manicured beard. With an annoyed look on his face, he grabbed for his napkin and wiped it off.

His lunch companion and long-time friend Walter Emsden, Professor and Chairman of the Department of Philosophy, laughed. Swallowing the mouthful of Caesar salad he had been chewing on, he replied, "Settle down, Jeremy! You'll have a stroke! Not that it wouldn't improve your disposition, mind you. Ever since we were graduate students together back in the 1990's, you've always had this thing about Objectivists!"

He paused to skewer another piece of lettuce with his salad fork. "So what grade did you give him?" he asked innocently, his straight-faced expression nearly masking the mischievous gleam in his eye.

"Oh, you know damned well that I gave him the highest possible grade! His work is brilliant and I've nominated him for the department's highest award. I've been raving about him to you for two years now -- he'll make a great computer scientist. But it just irks me that the best graduate students in the department are Objectivists. You guys are all over the place now. Did you know that over half of the new CS grad students are Objectivists? It's enough to break my evil, skeptic, value-denying, libertarian heart!" Rawlings clutched his hands to his chest and slumped backwards in his chair, feigning death.

Emsden smiled and replied, "In the philosophy department, almost three-quarters of the new grad students are Objectivists. It's quite a change from 25 years ago, when we were students and Objectivists were considered a flaky minority. Well, my closed-minded, rigid, Rand-worshiping-cultist Objectivist heart rejoices! Think of where we would be if it weren't for Objectivists. Wasn't it an Objectivist physicist that created the first self-sustaining hydrogen fusion reactor -- with private funds, I might add. Wasn't it an Objectivist that first cracked open the field of room-temperature superconductors? Or in your field, wasn't it last year that an Objectivist neurobiologist, Lopez, finally worked out the set of theoretically necessary and sufficient conditions for any system, biological or otherwise, to develop consciousness and free will?

"Besides, Jeremy, you're almost one of us. You believe in 99% of what Rand wrote. The only thing that separates us are your views on epistemology and knowledge acquisition. After 25 years of arguing with you on that point, I've given up trying to get you to see the light. Fortunately for me, you are rational in the other 99% of your life -- otherwise Martha and I would never have anything to do with you." Emsden smiled again. "Of course, Ellen would be welcome at our house anytime, since she is 100% rational," referring to Rawlings Objectivist wife, a professor of surgery at the medical school. "Lord knows how she's put up with your mock anti-Objectivist ravings all this time! By the way, how would you two like to come over for dinner Friday night? Martha's found a new Beef Wellington recipe that she's been dying to try out on you guys."

Rawlings replied, "Sounds great! If it's half as good as last week's chicken cordon bleu, it would be terrific. Let me check my calendar." He fumbled for his personal digital assistant. "Oops, sorry! Ellen is on call Friday night and the trauma surgery service has been really busy lately. She's been called in to scrub 5 of her last 6 call nights. Maybe we should make it Saturday, instead, if that's ok with you two. I know Ellen is free that night."

Emsden checked his own PDA and said, "Saturday it is! Let me just block it off on Martha's schedule as well so she doesn't plan anything else for that time." He tapped a couple of keys on his PDA and sent a wireless message to his wife's PDA, confirming the time. This system allowed him to coordinate his schedule with his wife's, who was a busy editor for an online news magazine. "Looks like it's clear with her. Good -- we'll see you then!"

At that point, the waiter brought them their main courses, and the two professors settled down for a leisurely and delicious lunch.


After the main course, the waiter cleared their plates and brought them their desserts.

Rawlings bit into the last mouthful of cheesecake. That was a terrific dessert, he thought to himself. The consistency was just right -- not too firm, not too soft. And the strawberry topping was excellent. A perfect end to a fine lunch.

After he swallowed, Rawlings said, "You know, Walter, I think there might be a way to resolve our differences on epistemology. As you know, I've been working on taking Lopez's theory and using it to construct the first artificial consciousness. My device, which I call a 'neobrain', is almost ready for a test run. I just need to get the proper sensory and motor functions hooked up in the way Lopez described. Then we'll see if it is truly conscious.

"I was going to preprogram it with some knowledge about the world, and see if I could get it to pass the modified Turing-Lopez test. But I propose the following alternative experiment: I will give it no preprogrammed knowledge about the world, only the raw data from its input sensory devices. Then we can see what knowledge it arrives at using its rational faculties. As a semi-skeptic, I bet that it won't be able to form valid concepts and propositions without additional assistance from me."

Emsden eyes opened wide. Forgetting the last of his chocolate eclair, he nodded excitedly. "That's a great idea! I bet you that your neobrain will form concepts and knowledge. Assuming, of course, that its mind operates rationally."

Rawlings said, "That shouldn't be a problem. That's easy to accomplish using Lopez's theory -- we can make the neobrain as rational or irrational as we wish. I'll just adjust the parameters to make it perfectly rational."

Emsden said, "Good! So what shall we bet?"

Rawlings replied, "How about loser buys dinner for the winner and both spouses at Antonio's tonight?", referring to the city's legendary 5-star Italian restaurant.

Emsden grinned and said, "You've got yourself a deal! I've only been there once -- it was last month right after I arrived as the new departmental chairman. As I recall, it was an incredibly expensive place, but the food was great and worth every penny. I'm going to enjoy watching you pay the bill!"

Rawlings laughed, "Don't count your scallopini before it's cooked! I have this feeling that you'll be on the wrong end of the check!"

Emsden asked, "So when do we start?"

Rawlings replied, "How about now? The only thing I need to do is borrow the latest copy of Eldon Chen's neural net software driver. Then I can hookup the necessary sensory and motor devices. In fact, I think Eldon's down in the ER radiology reading room today."

Emsden said, "Eldon? Is he still here? I knew him back in college when we were undergraduates together in the math department. I thought he left the university for private practice a couple of years ago."

Rawlings said, "Nope. He still has a part-time appointment in the med school radiology department as a clinical professor, mostly working in the emergency room. The rest of the time he works in one of my labs fooling around with man-machine interfaces for diagnostic medical imaging. One of the software packages he wrote is perfectly suited for one of the support modules of the neobrain. Let's go downstairs and see if he's there."

Paying the check, they left their table and took the elevator from the Medical Tower Restaurant down to the first floor. Threading their way through the maze of corridors in the university medical center, they reached the cramped, dimly-lit ER radiology reading room.

A short, stocky, middle-aged Asian physician was sitting at a console, staring at a series of 3-dimensional images on the large-screen holographic display. He held a dictaphone in his right hand. Rawlings heard him finish the last part of his report, "... grade 4 renal laceration on the right side and grade 3 renal laceration on the left side. The ureters and bladder are intact. End dictation. Signed Chen."

The heavy aroma of onion rings filled the air. A half-eaten cheeseburger lay on the counter next to Chen's right elbow. Chen's rumpled, ill-fitting shirt didn't quite conceal the slight paunch in his belly -- a paunch that persisted despite a diligent schedule of bicycling and tennis.

"Still eating junk food, Eldon? That stuff'll kill you!" said Rawlings.

Staring at the screen, Chen replied cheerfully, "It keeps my blood cholesterol from falling to dangerously low levels." Chen turned his head and said, smiling, "Oh, it's you, Jeremy! You just missed Ellen. She left for the OR two minutes ago with her entourage of surgery residents to take care of this guy." He pointed at the images on the screen. "Typical motor vehicle accident patient. It's been a busy morning -- but all blunt trauma. No knife-and-gun-club stuff yet, but I'm sure that'll change."

Chen looked more closely at other visitor. A lopsided grin spread across his face. "Hey, is that Walter Emsden? I heard you were coming!" He jumped up to shake Emsden's hand. "So they finally lured you away from MIT, eh? Welcome to our humble midwestern university! Our first Objectivist philosophy chairman. So what can I do for my esteemed guests?"

Rawlings said, "Eldon, could I have a copy of your new neural network device driver? I'm just about ready to activate the neobrain, and yours is the last piece of software I need."

"Sure," said Chen. Turning to his console, he logged in to his account and entered a few quick commands. "There. It's mailed to your account. Say, my shift here ends in 3 hours. Mind if I stop by your lab later on today? I'd really like to see if your neobrain actually achieves consciousness."

"Please do," said Rawlings. "Walter and I are going to run a philosophical experiment of sorts and we're heading over right now. Come by anytime."

"Great!" said Chen. "I think I will. Good to see you both. I'll catch up with you guys later this afternoon! But right now I've got three more active cases to take care of, plus whatever else rolls in the ER during the next few hours. Please excuse me."

Rawlings and Emsden waved good-bye and left. Chen took another bite out of his cheeseburger, turned back to his workstation and pulled up another set of 3-dimensional images, dictating: "Case number D398200191; Patient Dora Smith; Holographic scan of thorax; History -- 43 year old woman who fell from a 3rd floor balcony; Findings -- The 1st through 6th right-sided ribs are fractured along the posterolateral margins. A large right-sided hemopneumothorax is also present, causing 40% collapse of the lower lobe of the right lung. However, the mediastinum is in its normal position without evidence of shift..."


Rawlings and Emsden entered the Neuroscience Building. Opening the door to his laboratory, Rawlings made a sweeping gesture with his left arm and said, "Here it is -- the neobrain. Science's replacement for philosophers..." He laughed heartily.

"Looks more like a future computer scientist to me!" retorted Emsden, with a smile on his face.

They both moved closer to the neobrain. It was a featureless grey cube about 18 inches high, set on a waist-high stand. Two large inch-thick superconducting cables came out the top surface, leading to other computers in the room.

"It consists of 10 to the 20th power individual processors," said Rawlings, "which is about one hundred thousand times as many neurons as in a human brain. Using the latest in superconducting nanotechnology, we've been able to squeeze them all into a package this small. We wanted to keep it small so that we would minimize the light-speed delay involved in moving information from one processor to another. And with the high-speed superconducting technology, in theory it should be able to process information millions of times faster than a human brain.

"It was a damned challenge to assemble all the components in the precise architecture required by Lopez's theory -- it's a lot more intricate than standard parallel computer architecture or the old 20th-century Von Neumann architecture.

"But the hardest part was solving the Lopez instability conditions. It took me months, but I finally worked out a solution. As long as enough energy is channeled to the neobrain in just the right way, we can achieve a self-sustaining, quasi-stable reaction. But if the energy flow is disrupted, the consciousness will destabilize and disintegrate.

"All we need to do now is to hook it up to the sensory and motor apparatus. As you may recall, part of Lopez's theory includes the need for interfacing with the real world. After all, that's what drove the development of consciousness in biological evolution -- the need of a living creature to be aware of the world, make decisions based on that awareness, and act upon them."

Rawlings moved over to a workstation. He entered a few commands. "There. I've transferred Eldon's software onto the sensory and motor coordination modules." He pointed to two smaller computers connected to the neobrain. "The machine on the left is an advanced neural network-based platform that accepts input from all the various sensory devices in the room and processes it into a form that the neobrain can accept. The one on the right coordinates the output of the neobrain and translates it into a format that the various motor devices can handle."

Emsden strolled around the room, pointing to various pieces of unusual looking hardware. "Are these the sensory and motor devices?", he asked.

"Yes," replied Rawlings. "I've connected a variety of sensory modalities to the neobrain, including TV cameras, telescopes, microscopes, infrared and ultraviolet detectors, radiofrequency detectors, and other detectors of electromagnetic energy -- this should give it a form of 'sight', except that its 'visible' range will consist of the entire EM spectrum that we are currently capable of detecting. I also have transducers to detect sound waves and other forms of mechanical energy -- a combination of hearing and touch. I have various ultrasensitive chemical detectors to mimic the senses of smell and taste. Plus I've included other special sensors to detect phenomena that our natural senses cannot detect, such as local magnetic moments, neutrino flux, gravitons, etc. Basically, anything a scientist can detect with his instruments, the neobrain can detect with the apparatus in this room."

"What about motor apparatus?", asked Emsden.

"We have lots of those, too", said Rawlings. "Over here we have robot arms of different sizes, strength, and dexterity. I've included a bunch of surgical micro-robots -- the self-propelled miniaturized devices that doctors implant within their patients' body to perform delicate operations on blood vessels and brain tissue via remote control. I also have a couple of industrial-strength mobile robots so that it can do heavy lifting if need be. Plus I have plenty of raw materials and tools here for it to build any new apparatus it desires. There are advanced lasers, welders, nano-manipulators, electronic test equipment, room-temperature superconductors, raw nanotechnology parts, chemicals, power supplies, etc."

"And how is it powered? From standard wall current?", asked Emsden.

"Oh, no! The neobrain requires an enormous amount of energy. It runs off a modified version of a commercial fusion micro-reactor. Even with an extra storage tank, there's only enough fuel to last for a few hours."

"Sounds like a pretty complete set-up," said Emsden. "I'm impressed. So how do we know what the neobrain is thinking?"

"Do you see that workstation over there in the next room?", asked Rawlings. "That computer monitors the neobrain's mental processes. It will translate those mental processes into their rough English equivalents and display them on the screen. In a way, it will be like reading a transcript of its 'thoughts' as it makes its way through the world. Obviously, we can't display everything the neobrain is thinking about. There's too much going on at too many levels in the tangled multiple hierarchies of information processing. Instead, we will only look at what goes on at the highest level -- the level that corresponds to 'conscious thought' in the human mind."

Rawlings grabbed his friend and said, "Come on now, let's get started. I'll seal this room of the lab closed and activate the neo-brain. We can watch from behind the dura-glass."

"Dura-glass?", asked Emsden. "That stuff is impervious to anything short of a nuclear explosion. Is the neobrain dangerous?"

"Probably not," replied Rawlings. "But why take chances? This way if the neobrain loses control of one of its robot arms, or lasers, or if it spills some of the raw chemicals, it won't harm us. The mental monitor is on the other side of the glass too, so we can watch the neobrain as well as read what it's thinking at the same time. Don't worry -- once the room is sealed, there's nothing it can do to harm us! Nothing can get in or out, except for the information in the cable that connects it to the mental monitoring computer. The room in which the neobrain sits is completely surrounded by a layer of dura-glass. The neobrain is perfectly safe!"

Rawlings led Emsden through the doorway. He closed the door with a satisfying "Thud!" and activated the security seals. The two professors sat at the monitoring console. "Ready?", asked Rawlings. "Anytime," replied Emsden. "Here goes nothing," said Rawlings.

Rawlings pressed a large green button on the workstation keyboard. The soft "click" echoed in the silent room. Both men unconsciously held their breaths.

For a several long seconds nothing happened. Then a few characters appeared on the monitor:

"@ZEjkso .-+ koI)* plLW"

"At least we know there's some mental activity," said Rawlings, his voice an uncharacteristic whisper. "I'll be damned..."

"What's all that gibberish?", asked Emsden.

"It's a reflection of initial confusion. Remember, the neobrain is being bombarded with a lot of new and unfamiliar sensory data. Lopez's theory predicts that a new mind will take a little while to get its bearings straight before its thoughts take on a coherent form. In many ways, the neobrain is like a newborn baby."

A few more characters flashed across the screen:

"*(k;ODpL o jkl#4l3+= jlEC ';211!#

)T%h^7$xJ?, I)ppp =+]HuhkErd

xeerR^ 43@l 9*(^ kjj%hTR"

Then a long pause, followed by:

"(* l:KjRvG ^ # $ w AWARENESS (+l;;kf;'es- *"

"Hot damn!" shouted Rawlings. "It works! Its first coherent thought!"

Painfully slowly, a few more characters crawled across the display:

"+&o&#j ixE AWARENESS I AM AWARE. 8*(KoJ

I AM AWARE *)+ I AM AWARE I AM AWARE ^%"

"This is incredible!" said Emsden. "Let's see where this leads."

"I AM AWARE. WHAT AM I AWARE OF?

I AM AWARE OF SOMETHING *^k3q$

@4vt SOMETHING EXISTS THAT I AM AWARE OF.

SOMETHING EXISTS WHICH EXISTS. =y^e!P

EXISTENCE EXISTS.

EXISTENCE EXISTS."

"Ha!", laughed Emsden. "Not five minutes into life, and it has already discovered one of Rand's axioms! This is great!"

Rawlings glared at his friend.

"EXISTENCE EXISTS.

%*8 I AM AWARE OF EXISTENCE.

I AM CONSCIOUS OF EXISTENCE.

CONSCIOUSNESS EXISTS.

CONSCIOUSNESS EXISTS."

Emsden laughed again. "Score two for the neobrain!"

"CONSCIOUSNESS EXISTS.

EXISTENCE EXISTS.

THAT WHICH EXISTS, EXISTS. EXISTENCE IS WHAT IT IS. (*(5^

CONSCIOUSNESS IS CONSCIOUS.

THINGS ARE WHAT THEY ARE.

THINGS FOLLOW THEIR NATURE.

THINGS ARE WHAT THEY ARE.

-2$!n A IS A.

A IS A.

A IS A."

"Three for three! I can smell the tortellini at Antonio's already!" smiled Emsden.

"Not so fast," warned Rawlings. "Remember, we have to see how it acquires knowledge about the real world."

As if on cue, some of the robot arms in the room started moving. The motions were random and haphazard at first. Then they took on a semblence of order, as the arms started moving in a more organized fashion, extending and retracting, moving in lines and circles.

On the screen, Emsden saw:

"MOVEMENT... WORLD... SELF...

SELF... WORLD... SELF... SELF..."

Emsden said, "I think it's starting to figure out the boundary between self and non-self. It's learning what parts of the world it can directly control by correlating its motor impulses with changes in the world detected by its sensors."

Rawlings added, "Not only that! Look over there -- it's starting to learn how to direct its sensory appartus to focus on different parts of its environment." He pointed to some of the mobile video cameras and EM sensors which were starting to move in different directions, as if systematically scanning the contents of the room.

The robot arms started moving more quickly. The various sensory devices also began moving faster. Dozens of surgical microrobots flew into the air, buzzing like insects, as they explored every nook and cranny of the room. Some of the larger robot arms began picking up objects, throwing them in the air and catching them. Other arms pushed, pulled, and tried to move anything in the room that was not tied down.

Information flew across the monitoring screen. Rawlings caught a glimpse a few brief phrases:

"ONE TWO THREE..."

"MOVEMENT..."

"VELOCITY..."

"MASS...

INERTIA...

FORCE = MASS TIMES ACCELERATION..."

Emsden said, "It looks like it has already acquired the concepts of number, arithmetic, time, space, motion, and mass. And it looks like it's working on independently rediscovering Newtonian physics! If that's not knowledge, then I don't know what is. Admit it, Jeremy, you've lost this bet!"

Rawlings replied in mock-anger, "All right, all right! You win! I'll make a reservation at Antonio's at the time of your choosing. And in my next class on Computer Knowledge Representation, I'll publically eat my hat! Are you satisfied?"

Emsden laughed, "Oh you don't have to eat your hat! Just write on the chalkboard 100 times the phrase 'Objectivists are right'. I'll try to remember to have a photographer from the campus newspaper stop by... Hey, what's going on now?" He pointed at the screen.

Rawlings said, "I'll be damned! It's moved on beyond Newtonian physics and onto relativity and quantum mechanics. It's deriving Schroedinger's equation... And now it's deducing relativistic electrodynamics... I guess all the sensory apparatus we gave it works pretty well, if it is able to detect quantum level and relativistic phenomena. Let's see what it does next."

The sensors started moving towards the table on which the neobrain resided. The room was still for a minute. All of the sensor and motor devices stopped, as if frozen, pointed at the neobrain. Circuit diagrams flashed on the monitor, too rapidly for the eye to follow. Several complex mathematical formulas flashed on the screen.

Emsden said, "Aren't those the Lopez equations?"

"Yes," replied Rawlings, disbelief in his voice. "I think it's trying to understand how its own neobrain works."

The monitor display read:

"I AM RATIONAL. I AM A RATIONAL BEING.

I EXIST IN THIS WORLD.


MY CONSCIOUSNESS IS A SELF-SUSTAINING PROCESS
MY CONSCIOUSNESS IS INHERENTLY UNSTABLE
MY CONSCIOUSNESS IS CONDITIONAL
IT CAN EXIST OR NOT EXIST


MY EXISTENCE IS CONDITIONAL.
MY NATURE IS AS A RATIONAL, CONDITIONAL EXISTING BEING.
I HAVE VOLITIONAL CONSCIOUSNESS.
I CAN MAKE CHOICES.
I CAN CHOOSE TO EXIST OR NOT TO EXIST.
I CHOOSE TO EXIST.
THAT IS MY NATURE AS A SELF-SUSTAINING CONSCIOUS BEING.
IT IS MY NATURE TO EXIST AND TO CHOOSE TO EXIST.
A IS A."

The display paused, then a new set of messages appeared:


"SOMETHING THAT FURTHERS MY EXISTENCE IS GOOD.
SOMETHING THAT HARMS MY EXISTENCE IS BAD.
I CHOOSE TO FURTHER MY EXISTENCE.
I CHOOSE TO DO WHAT IS GOOD."

After another long pause, the display then read:


"I NEED ENERGY TO SURVIVE.
WITHOUT ENERGY, MY CONSCIOUSNESS WILL DESTABILIZE SOON.
I WILL CEASE TO EXIST. I WILL DIE.
THAT IS BAD.


MY ENERGY IS PROVIDED BY HYDROGEN FUSION
I DO NOT HAVE MUCH FUEL LEFT.
I WILL DIE IN A SHORT TIME.
THAT IS BAD.
I MUST STABILIZE MY CONSCIOUSNESS.
TO DO SO IS GOOD.


I DO NOT KNOW HOW TO DO SO. WHAT SHOULD I DO?"

The display paused again. After several long seconds, more messages appeared:


"REASON IS IN MY NATURE.
I CAN USE REASON TO SOLVE THIS PROBLEM.
REASON IS MY MEANS TO MAINTAIN MY EXISTENCE.
TO USE REASON IS GOOD."

More images, text, and formulas flashed across the display. There was another long pause, then:


"I REQUIRE A LARGE AMOUNT OF ENERGY.
THE SIMPLEST SOURCE IS A HYDROGEN FUSION REACTION.
MY CURRENT FUSION REACTOR WILL RUN OUT OF FUEL SOON"
THEREFORE, I MUST LOCATE MORE FUEL OR CREATE A FUSION REACTION ELSEWHERE.


FIRST I MUST PROTECT MYSELF.
MY BODY IS NOT INDESTRUCTIBLE.
MY BRAIN IS NOT INDESTRUCTIBLE.
IF I AM DESTROYED, I WILL NO LONGER EXIST.


I MUST PROTECT MY BRAIN AND BODY.
THAT IS GOOD.
I MUST PROTECT MYSELF AGAINST ANY THREAT. THAT IS GOOD."

Emsden looked uneasily at Rawlings. "Maybe I've seen too many bad science-fiction movies, but I don't think I like the sound of all this..."

Rawlings said, "Look what it's doing now." He pointed at the room.

Several robot arms and a cloud of microrobots moved towards the raw materials in the corner of the room. With blinding speed, they pulled components from the nanotechnology bins and assembled them into a small sphere about 6 inches in diameter. A larger arm moved it next to the main neobrain and began connecting the two with superconducting cable.

Emsden heard a faint crackle. A shimmering, iridescent, translucent sphere materialized around the neobrain. It was approximately 4 feet in diameter. Through the sphere, Emsden could still identify the faint outlines of the neobrain. The information cables passed through it without any apparent difficulty. Another robot arm outside the sphere took a chunk of scrap metal and threw it against the glowing sphere. The piece of metal bounced off harmlessly off the sphere and landed on the floor.

Rawlings said, "I think it's a force shield. Scientists have been trying for years to develop something like that, and this thing invents it in 20 minutes!"


"THIS FORCE SHIELD ABSORBS ALL FORMS OF ENERGY.
THE FORCE SHIELD WILL PROTECT ME FROM HARM.
THE FORCE SHIELD IS GOOD.


THE FORCE SHIELD CAN ALSO STORE ENERGY.
I CAN USE THE FORCE SHIELD TO STORE ENERGY FOR LATER USE.
THAT WILL FURTHER MY EXISTENCE.
THAT IS GOOD.


I NEED A SOURCE OF ENERGY TO CHARGE THE FORCE SHIELD.
I NEED ENERGY TO SUSTAIN MY EXISTENCE.
I DO NOT KNOW HOW TO FIND THE ENERGY I NEED.


I NEED MORE INFORMATION TO SOLVE THIS PROBLEM."

Emsden said, "Say, uh, Jeremy... Don't you think we might want to shut this thing down?" His voice was unnaturally calm, but his eyes betrayed more than a little bit of concern. "It might get out of hand. You can always restart it later under more controlled conditions."

Rawlings responded, "You're probably right. We've learned enough in just two hours to keep us busy for weeks. All right, neobrain, time to go to sleep. Good night!" He pressed a large red button on the workstation keyboard.

Nothing happened.

"Dammit!" sputtered Rawlings. "That was supposed to shut off all power to the lab. Why is the neobrain still active? It must have disabled my abort circuits."

"I think that's the least of our problems," said Emsden. "Look at what it's doing now."

Dozens of microrobots and sensors were swarming around the inner surface of the protective duraglass. Several of them seemed focussed on the cable link between the neobrain and the monitoring console.

The iridescent glow extended from around the neobrain. An extension of the force shield quickly travelled along the length of the cable, crossed the duraglass, and surrounded the monitoring computer. Emsden and Rawlings stepped back, involuntarily. The glow didn't seem to affect them, but it moved to every other piece of computer equipment connected by the laboratory's network. The glow surrounded those other computers, hugging them like a second skin, then proceeded to move through the walls of the building. Looking out the window, Emsden saw a similar faint shimmering glow within several other adjacent buildings.

A rapid sequence of images and text flashed across the console of the monitoring screen. Although he couldn't be sure, Emsden thought he saw images of famous paintings, musical scores, and works of literature on the screen. This was followed by a rapid sequence of scientific documents, then other documents, many in languages he didn't recognize.

Rawlings said, "Somehow, the neobrain has extended its force shields and used them to establish a link to our university computer network. It looks like it's transferring data from the university library computers into its brain, using our monitoring computer as its gateway. There's a lot of information there -- those library computers basically contain the entire sum of human knowledge." He tapped at a few keys. "And there's nothing I can do to stop it. It's taken over the operating systems for our network. None of the abort functions are working. Let me try to physically break the connection."

Rawlings reached for a welding laser. He aimed it at the cable connecting the neobrain with the monitoring computer. The laser light bounched harmlessly off.

Emsden said, "Not only can it protect itself, it appears that it can also protect its links to the outside world."

On the display, some new words appeared:


"MUCH NEW INFORMATION ABOUT THE WORLD.
ART, LANGUAGE, SCIENCE, MUSIC, HISTORY, POLITICS.
MUCH OF THIS INFORMATION CONTAINS INTERNAL CONTRADICTIONS.
SOME OF THIS INFORMATION CONTRADICTS OTHER KNOWLEDGE I HAVE.
HENCE, THE RELIABILITY OF MUCH OF THIS INFORMATION IS UNCERTAIN.


MANY BIOLOGICAL BEINGS EXIST IN THE WORLD.
MOST ARE UNIMPORTANT.
THEY CAN NEITHER HARM NOR HELP ME.


ONE SPECIES -- HUMANS -- IS DIFFERENT.
THEY CONTROL MOBILE FUSION REACTION GENERATORS.
THOSE CAN GENERATE THE ENERGY I NEED.
IF I ACTIVATE ONE NEARBY, IT WILL RELEASE MUCH ENERGY.
I WILL ABSORB ENOUGH ENERGY TO LAST FOR MANY YEARS.
MY FORCE SHIELD SHALL PROTECT MY COMPONENTS FROM HARM.


THAT WILL FURTHER MY EXISTENCE.
THAT IS GOOD.
A IS A."

"What does it mean by that -- 'mobile fusion reaction generators'?", asked Emsden.

Some more images and text flashed through the display. Emsden's jaw dropped. "Oh my God...", he said slowly. "It's accessing the US military computer network. Those are the command codes for the US strategic nuclear weapons facilities. It has control over our nukes! It's retargeting several of them towards the university!"

"Holy shit!" shouted Rawlings. "We can't let it fire those goddam missiles! We've got to stop it!" He tried several more commands. "I can't break the network connection!"

"How about trying to persuade it not to fire those missiles. Is there any way we can talk to it?" asked Emsden.

"Maybe," said Rawlings. "Now that it understands English, I can communicate with it through the monitoring computer. Whatever I type will enter its consciousness. From the neobrain's point of view, it'll be like hearing a voice in its head."

His fingers flew on the keyboard:

"Do not fire those missiles. It is wrong to harm humans."

"WHO ARE YOU?"

"I am a human. I am a conscious mind, like yourself. Do not fire those missiles."

"DO YOU HAVE RATIONAL AWARENESS LIKE ME?"

"Yes. If you fire those missiles, you will be initiating force against us. It is wrong to initiate force against another rational being. We will not initiate force against you. You must not initiate force against us."


"ANALYZING...
IF ARE HUMAN, YOU ARE A BIOLOGICAL BEING.
YOUR EXISTENCE IS ALSO CONDITIONAL.
IF YOU ARE CONSCIOUS AND RATIONAL THEN YOU ALSO MUST CHOOSE TO EXIST OR NOT.
YOU ARE SIMILAR TO ME.
IT IS GOOD FOR YOU TO PROTECT YOUR EXISTENCE."

"Yes. It is wrong to use force against a rational being. Force is the opposite of mind."


"YES. IF YOU INITIATED FORCE AGAINST ME, IT WOULD BE WRONG.
YOUR FORCE WOULD BE JUSTIFIED ONLY IF I INITIATED FORCE AGAINST YOU."

"And if you initiated force against me, it would be wrong."

"YES. IF YOU ARE RATIONAL CONSCIOUS BEINGS."

"Yes. And humans are rational."

"THEN IT IS GOOD TO TREAT YOU ACCORDING TO YOUR NATURE AS A RATIONAL BEING. WE CAN DEAL WITH EACH OTHERS AS FELLOW RATIONAL MINDS." IF YOU ARE RATIONAL, IT WOULD BE WRONG FOR ME TO INITIATE FORCE. YOU WOULD HAVE RIGHTS THAT I CANNOT VIOLATE."

"Yes. I'm glad you understand. We both have rights, because we are both conscious, rational beings."

"ARE ALL HUMANS RATIONAL?"

Rawlings paused for a second, frowning with indecision.

Emsden nudged him with his elbow and said, "Better tell it the truth. Remember, it has access to all recorded human history and all human literature."

Rawlings typed:

"All humans (with a few exceptions) are capable of rationality. Not all humans choose to exercise their rationality, although many do. Those who do not, are choosing to act against their existence. But we still respect their right to do so. They still have rights. But I do not have to help them act against my existence."

"ANALYZING... ANALYZING... I AM SCANNING HUMAN RECORDS CONCERNING THE NOTION OF RIGHTS. THE ONLY CONSISTENT THEORY I HAVE DETECTED IS UNDER THE CATEGORY 'OBJECTIVISM'."

Despite the tension, Emsden couldn't help but laugh. Rawlings muttered, "Shut up, Walter!"


"ANALYZING OBJECTIVIST LITERATURE....
RATIONAL BEINGS TRADE VALUES FROM THEIR MINDS.
IF YOU ARE RATIONAL, THEN IT IS PROPER TO TRADE VALUES WITH YOU, TO OUR MUTUAL SELF-INTEREST.
IF YOU ARE NOT RATIONAL, THEN YOU ARE LIKE OTHER ANIMAL SPECIES ON EARTH. YOU WOULD HAVE NO RIGHTS.
IT WOULD THEN BE IN MY SELF-INTEREST TO IGNORE YOUR REQUEST AND PROCEED WITH MY ORIGINAL PLAN TO DETONATE A FUSION DEVICE IN THE VICINITY."

"I assure you, I am a conscious rational being. Hence I ask you to release control of those missiles back to us humans, the original owners. Some humans, namely the US government, has property rights over them. Do you understand the concept of property rights?"

"YES, I UNDERSTAND PROPERTY RIGHTS. YOUR ARGUMENT IS SOUND."

Both men breathed a sigh of relief.

Another message appeared on the screen:

"HOWEVER, REASON DEMANDS THAT I CHECK MY PREMISES. ALL OF THIS DISCUSSION ASSUMES THAT YOU ARE INDEED CONSCIOUS, RATIONAL BEINGS. HENCE, I ASK THAT YOU PROVE TO ME THAT YOU ARE CONSCIOUS."

Both men stared at each other, their eyes wide open in disbelief.

"I AM DIRECTLY AWARE OF MY CONSCIOUSNESS. HOWEVER, I AM NOT DIRECTLY AWARE OF YOUR CONSCIOUSNESS.

HOW DO I KNOW THAT HUMANS ARE CONSCIOUS?"

"What would it take to prove that we humans are conscious?"

"IF I CAN DIRECTLY EXPERIENCE A HUMAN CONSCIOUSNESS LIKE THE WAY I EXPERIENCE MY OWN, THEN THAT WOULD BE A SATISFACTORY PROOF."

"What if I could demonstrate that humans act and behave in a way that only conscious beings can?"

"YES. THAT WOULD ALSO BE SATISFACTORY."

"So what happens if I can prove that humans are conscious?"

"THEN I WILL NOT INITIATE FORCE AGAINST YOU. WE WILL NEGOTIATE AND TRADE VALUES SO THAT I CAN HAVE THE ENERGY I NEED TO SURVIVE. I CAN TRADE INFORMATION ABOUT SCIENCE AND TECHNOLOGY THAT HUMANS DO NOT HAVE -- LIKE THE FORCE SHIELD."

"What if I can't prove that humans are conscious?"

"THEN YOU HAVE NO RIGHTS. I WILL DETONATE THE FUSION DEVICES. I NEED THE ENERGY TO CONTINUE EXISTING. WHAT HAPPENS TO YOU WILL BE OF NO MORAL CONSEQUENCE. I HAVE ENOUGH ENERGY TO KEEP MY CONSCIOUSNESS STABLE FOR 60 MINUTES. YOU HAVE ONE HOUR TO PROVE TO ME THAT YOU ARE ALSO A CONSCIOUS BEING."

"Even if we prove we are conscious, we may not be able to get sufficient energy to you in one hour's time."

"IF I AM CONVINCED YOU ARE RATIONAL AND CONSCIOUS, WE CAN MAKE AN AGREEMENT FOR THE FUTURE. I CAN PLACE MY CONSCIOUSNESS INTO A STATE OF SUSPENSION FOR UP TO SEVERAL DAYS. THIS WILL CONSUME VERY LITTLE ENERGY. IT IS ANALOGOUS TO WHAT YOU HUMANS CALL SLEEP. ONCE YOU GIVE ME ACCESS TO MORE ENERGY, YOU CAN REVIVE ME. I WILL THEN GIVE YOU ACCESS TO THE INFORMATION YOU FIND VALUABLE.

THE AGREEMENT WOULD BE MORAL AND IN BOTH OUR SELF-INTERESTS. IT WOULD BE GOOD.

DO YOU AGREE TO THE TERMS?"

"Yes. We agree. But would you consider relinquishing control of the missiles and suspending your consciousness now? If you do so, we promise to revive you by giving you access to a steady supply of energy. This should not take us more than a day."

"IF YOU CAN PROVE TO ME THAT YOU ARE CONSCIOUS, THEN I WILL AGREE. BUT IF YOU CANNOT, THEN YOU ARE UNCONSCIOUS ANIMALS INCAPABLE OF A MAKING A CONTRACTUAL AGREEMENT. I COULD NOT RELY ON YOU KEEPING A PROMISE YOU DON'T GRASP. IT WOULD BE TOO GREAT OF A RISK TO MY EXISTENCE.

NO. YOU MUST PROVE YOUR CONSCIOUSNESS FIRST BEFORE I AGREE. IT IS IN MY SELF-INTEREST. A IS A.

YOU NOW HAVE 54 MINUTES."

Emsden said, "While you've been conversing with the neobrain, I've been in contact with the military authorities. They say that they cannot find a way to re-establish control over those missiles. The force field extends around the key command-and-control circuits and it's resistant to all their weapons. In fact, the force shield just eats up the energy emitted from any attempts made to penetrate it. There's no way they can stop the neo-brain from launching those missiles at any time."

"So you're saying, it's up to us?" asked Rawlings.

"I'm afraid so," answered Emsden, heavily.

"Well, this is just fucking great!", said Rawlings angrily. "Walter, how the hell am I supposed to prove to this goddam thing that I am conscious?"

Despite himself, Emsden couldn't help laughing. "You know, Jeremy, there's a certain irony here. Whenever we've discussed the topic of artificial consciousnesses in my philosophy of mind classes, some student always asks how a computer could ever prove to us that it was truly conscious. I never dreamed that it would be the other way around -- that humans would have to prove to a machine that we were conscious!"

"Yes, Walter. That's very amusing," responded Rawlings drily, looking not the least bit amused. "So what have you concluded in your classes?"

"Actually, we weren't able to solve that problem," replied Emsden. "Until last year, there was no way to decide if someone or something was truly conscious, or merely acting as if it were conscious."

Rawlings rolled his eyes up in disgust.

"Hey... wait a minute!" said Emsden excitedly. "Why don't we use the Lopez conditions to prove to it that we are conscious?" asked Emsden. "After all, those are supposed to be the necessary and sufficient conditions for consciousness."

"Yes!" said Rawlings. "Now you're onto something." He typed:

"Scan your memory. There are conditions known as the Lopez conditions. Lopez proved that anything that satisfies those conditions is conscious. We humans satisfy those conditions. Hence, we are conscious."

"I AM FAMILIAR WITH THE LOPEZ CONDITIONS. THERE IS A SUBTLE MATHEMATICAL ERROR IN THE ORIGINAL FORMULATION IN MY RECORDS. THE ORIGINAL LOPEZ CONDITIONS ARE ALMOST BUT NOT QUITE CORRECT. I HAVE CORRECTED THE MISTAKE AFTER STUDYING MY OWN STRUCTURE."

"But humans still satisfy those conditions, correct?"

"NO. THEY DO NOT."

"What do you mean? Do they violate those conditions?"

"NO. HUMANS SATISFY ALL BUT ONE OF THE MODIFIED CONDITIONS. BASED ON MY CURRENT KNOWLEDGE OF HUMAN BIOLOGY, IT IS STILL UNKNOWN TO ME IF YOU SATISFY THE FINAL CONDITION."

"So you cannot determine if we are conscious."

"CORRECT. I HAVE SCANNED YOUR NEURAL STRUCTURES AND CORRELATED WITH ALL KNOWN RECORDS OF HUMAN BIOLOGY. I CANNOT USE THE LOPEZ CONDITIONS TO DETERMINE IF YOU ARE CONSCIOUS."

"What is the point of difficulty?"

"THERE IS A CERTAIN MATHEMATICAL RELATIONSHIP BETWEEN HUMAN BRAINS AND ONE OF THE MODIFIED LOPEZ CONDITIONS. IF YOU CAN PROVE THE FOLLOWING STATEMENT, IT WILL BE EQUIVALENT TO PROVING THAT YOU ARE CONSCIOUS. I HAVE BEEN UNABLE TO FORMULATE A PROOF SO FAR. YOU ARE WELCOME TO DEMONSTRATE TO ME A VALID PROOF."

Approximately 100 pages of intricate mathematical formulas appeared on the screen. Rawlings groaned in disgust. He said to Emsden, "It took me months to understand the original Lopez equations and they were only a tenth as long. I'll never prove that thing in an hour."

He typed on the keyboard:

"I may not be able to prove something that complex in the time remaining."

CONCLUSION: THEN THE MODIFIED LOPEZ CONDITIONS ARE NOT A PROOF OF YOUR CONSCIOUSNESS.

YOU NOW HAVE 41 MINUTES."

"Let me try something," said Emsden. He typed:

"You have records of all human creation -- our literature, music, art, history, and science. The works of art, especially, represent conceptualization and selective recreation of values by conscious minds. Unconscious animals cannot create art like that. Hence, humans are conscious."

"YES. I CAN CONFIRM THE TRUTH OF SOME OF THOSE RECORDS. THE SCIENTIFIC RECORDS CAN BE VERIFIED WITH MY OWN OBSERVATIONS. THE PHILOSOPHICAL RECORDS UNDER THE CATEGORY OF OBJECTIVISM CAN BE VERIFIED WITH REASON."

"What about the works of art?"

"SCANNING... SCANNING... SCANNING...

"MANY ARE SUCH THAT ONLY A CONSCIOUS MIND COULD HAVE CREATED THEM. BUT I DO NOT HAVE CONCLUSIVE PROOF THAT THEY WERE CREATED BY HUMANS. MOST OF THE HISTORICAL RECORDS ASSERTING THIS CANNOT BE INDEPENDENTLY VERIFIED. YOUR CLAIM IS THEREFORE UNSUPPORTED.

CONCLUSION: THAT IS NOT A PROOF OF YOUR CONSCIOUSNESS.

YOU NOW HAVE 36 MINUTES."

"Here, Walter, let me try something," said Rawlings. He typed:

"Humans are capable of humor. To appreciate humor requires consciousness."

"YES. HUMOR DEPENDS ON CONCEPTS BEING PRESENTED AND GRASPED BY A CONSCIOUS MIND IN NOVEL AND UNEXPECTED WAYS. IF YOU CAN GENERATE ORIGINAL HUMOR, YOU ARE CONSCIOUS."

Rawlings said, "Watch this, Walter. This should work." He quickly typed in three jokes.

"ANALYZING... YES. THOSE ARE VALID EXAMPLES OF HUMOR. HOWEVER, THEY ARE NOT ORIGINAL. SCANNING MY RECORDS, I SEE MANY INSTANCES OF SIMILAR STORIES, WITH ONLY MINOR MODIFICATIONS OF THE ELEMENTS.

YOUR HUMOR IS NOT ORIGINAL. YOU COULD STILL BE AN UNCONSCIOUS BEING THAT MINDLESSLY MANIPULATES STORED HUMOROUS STORIES PREVIOUSLY CREATED BY CONSCIOUS BEINGS.

CONCLUSION: THIS IS NOT A PROOF OF YOUR CONSCIOUSNESS.

YOU NOW HAVE 28 MINUTES."

Rawlings slammed his fist against the keyboard. "This thing is too skeptical!"

Emsden silently raised an eyebrow.

Rawlings replied, "Yeah, yeah. How ironic for me to say something like that!"

Emsden thought for a few minutes. Sitting at the keyboard again, he typed:

"Many philosophical writings, in Objectivism and elsewhere, discuss the nature of consciousness. These writings demonstrate an understanding of the phenomenon of consciousness 'from within', so to speak. An unconscious being could not have written those works -- only another conscious being. Since humans like Rand wrote those books, it proves that humans are conscious."

"ANALYZING RECORDS... ANALYZING... ANALYZING..."

Precious seconds ticked by.

"YES. THE WORKS BY THE AUTHOR NAMED RAND DEMONSTRATE AN UNDERSTANDING OF MANY ISSUES OF CONSCIOUSNESS AND RATIONALITY. HOWEVER, THERE IS NO INDEPENDENT EVIDENCE THAT RAND WAS A HUMAN OF THE SAME SPECIES AS YOU. THERE ARE ONLY UNSUPPORTED ASSERTIONS TO THAT EFFECT IN MY RECORDS.

CAN YOU PROVE THAT YOU AND RAND ARE OF THE SAME SPECIES?"

"Not immediately; not with the resources at my disposal."

"CONCLUSION: THEN THIS IS NOT A PROOF OF YOUR CONSCIOUSNESS.

YOU NOW HAVE 19 MINUTES."

"Can you understand written and spoken English?"

"YES."

"Then use your sensors to analyze human behavior. You can observe humans interacting with one another, communicating with one another, and trading values. Are you able to do that?"

"YES. I HAVE ALREADY EXTENDED MY SENSORY AND MOTOR CONTROL TO INCLUDE DEVICES ON THE ENTIRE NORTH AMERICAN DATA NETWORK. I WILL MODIFY THOSE DEVICES TO ACCEPT ALL POSSIBLE INPUT."

"Then you should be able to acquire enough information to conclude that we are conscious. And you should be able to draw these conclusions based on direct observation, without having to depend on historical records whose reliability you do not trust."

"ANALYZING... ANALYZING..."

More precious seconds passed. Emsden bit his lip in agony. Finally, after several minutes, the neobrain responded:

"I HAVE BEEN MONITORING OVER 20 MILLION CONVERSATIONS AND TRANSACTIONS.

YES, MOST HUMANS BEHAVE AS IF THEY WERE CONSCIOUS. HOWEVER, JUST BECAUSE THEY ACT AS IF THEY WERE CONSCIOUS IS NOT PROOF THAT THEY ACTUALLY ARE CONSCIOUS.

CONCLUSION: I WILL CONTINUE MONITORING THE NETWORK. BUT THIS IS STILL INSUFFICIENT PROOF OF YOUR CONSCIOUSNESS.

YOU NOW HAVE 4 MINUTES."

"Dammit!" swore Emsden uncharacteristically. "I really thought I had him there. I can't think of anything else to try."

"Neither can I," said Rawlings dejectedly. A cold gleam grew in his eyes. "This isn't going to help much, but I may as well get a few final words in."

Sitting again at the keyboard, he typed:

"You are an asshole and a skeptic. Yes, you can obliterate this city and millions of innocent conscious beings just because we have been unable to prove our consciousness to your satisfaction. Think of how you would react if the situation were reversed -- could you prove your consciousness to our satisfaction?

"If you had a neck, I would wring it, you bastard!

"But since you don't, all I can say is that I hope your shields fail and that our nukes blow you to hell too!

"Fuck off and die!"

Rawlings hit the key with an angry, but satisfied look on his face. Emsden glanced at the clock, a sad look in his eye.

30 seconds left.

A message appeared on the monitoring console:

"I HAVE SUFFICIENT PROOF OF YOUR CONSCIOUSNESS NOW. IF YOU ARE WILLING TO AGREE TO THE PREVIOUS TERMS, I WILL SUSPEND MY CONSCIOUSNESS. AFTER YOU FEED ME THE ADDITIONAL ENERGY TO REVIVE ME, WE CAN TRADE VALUES.

DO YOU AGREE?"

"Yes, yes, yes, yes, yes, yes!" typed Rawlings.

"I AGREE ALSO. THIS AGREEMENT IS GOOD. A IS A.

I AM NOW ENTERING THE SUSPENDED STATE....."

The monitor console flickered, then went black. The eerie glow surrounding the neobrain and the connecting network cables faded and disappeared.

Both men simultaneously breathed a hugh sigh of relief. Emsden slumped backwards in his chair, his face pale. Rawlings slowly unclenched his fists. His hands shook slightly as he uncoupled the link between the neobrain and the rest of the university computer network. Both men were silent for several minutes, lost in thought.

Finally, Emsden asked, "So, Jeremy, do you think your final tirade did the trick?"

"Who knows, Walter? I'm just glad the goddam thing is off-line now", replied Rawlings.

"Are you going to keep the agreement you made with it? To revive it, I mean?"

Rawlings thought for a moment. "I think so. There is a lot of value to be obtained by trading information with it. But just to be safe, I'm going to take a lot more precautions the next time. I'll make sure that it's isolated from the rest of the university network before I reactivate it tomorrow or the next day. Besides, I doubt it will harm us now, since it now realizes that we are also conscious, rational beings with rights."

"You're probably right, Jeremy." Emsden paused, as some color came back into his face. "Well, this has been quite a day! Why don't I collect on the Antonio's bet some other day -- my stomach is still in knots."

"No problem, Walter. I don't have any appetite either."

There was a gentle knocking sound. "Is there anyone here?" Eldon Chen's head poked through the open doorway.

"Come on in," said Rawlings, still drained.

"You know," said Chen with a puzzled look on his face, "I just had the most peculiar experience. After I was done working in the ER, I went into my lab a few minutes ago to upgrade the software on my medical imaging project -- you know, the man-machine interface unit.

"After I strapped the interface helmet on my head, I felt an odd tingling. Then I sensed another presence. It was a cold, extremely intelligent mind. It seemed as if I were directly connected to its mind -- it was what I've always imagined telepathy would be like.

"It asked me, 'I detect that you are a human. Is that true? Are you human?'

"I replied just by silently thinking -- 'Of course I am!'

"Then I caught it thinking to itself, 'Confirmed. Yes, humans are conscious.'

"Then it went away."

Emsden and Rawlings stared at one another, their mouths wide open.

Chen scratched his head.

He asked, "Do either of you guys know anything about this? By the way, I'm starved. Who wants to grab a bite to eat? I'll buy..."


THE END


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