In history there are often reactionary movements to progress of all kinds. For example, the American Revolution dealt with Loyalists, who were colonists loyal to Great Britain, rather than joining in with the American Revolution. In the Russian Revolution of 1917, there was a backlash of supporters of the Czar that led to the Russian Civil War. Sometimes (as in the case with the American Revolution or Russian Revolution) the progressive element wins, however sometimes the reactionary element wins (such as in the Spanish Civil war) and sometimes some sort of long struggle and stalemate emerges, such as for instance after the American Civil War, the racist reactionaries established segregation which lasted for a century or so following the American Civil War. In the civil rights movement, there was of course unfortunately a backlash to that, starting in a small circle of academics in elitist, “country club” circles in the 1950’s, and growing into what is now known as the “conservative movement” that culminated in a racist backlash against civil rights which resulted some years later in the election of Ronald Reagan, and reached its ultimate crescendo of its aims of achieving a racist fascist regime in America with the 2016 election of Donald Trump. So in about 60 years, the conservative movement went from a racist reaction against civil rights largely confined to academia and to small parts of the Republican Party to completely taking over the Republican Party and the Presidency. (A difference between the Reagan and Trump administrations is that while both Presidents Reagan and Trump were motivated by racism, Trump did not bother to hide it as much as Reagan had, because his whole movement and appeal to his base was largely predicated on Trump’s making his misguided followers feel emboldened to express their racial resentments out loud, in a way they had not felt able to before. Sadly, for the Trump Administration, open racism was a feature, not a bug, and not even a subliminal feature as it had been in previous Republican Administrations).
TheAuguriesOfAmos
Tuesday, March 22, 2022
How the White Supremacist “Movement Conservatives” of the 20th Century Broke America
In history there are often reactionary movements to progress of all kinds. For example, the American Revolution dealt with Loyalists, who were colonists loyal to Great Britain, rather than joining in with the American Revolution. In the Russian Revolution of 1917, there was a backlash of supporters of the Czar that led to the Russian Civil War. Sometimes (as in the case with the American Revolution or Russian Revolution) the progressive element wins, however sometimes the reactionary element wins (such as in the Spanish Civil war) and sometimes some sort of long struggle and stalemate emerges, such as for instance after the American Civil War, the racist reactionaries established segregation which lasted for a century or so following the American Civil War. In the civil rights movement, there was of course unfortunately a backlash to that, starting in a small circle of academics in elitist, “country club” circles in the 1950’s, and growing into what is now known as the “conservative movement” that culminated in a racist backlash against civil rights which resulted some years later in the election of Ronald Reagan, and reached its ultimate crescendo of its aims of achieving a racist fascist regime in America with the 2016 election of Donald Trump. So in about 60 years, the conservative movement went from a racist reaction against civil rights largely confined to academia and to small parts of the Republican Party to completely taking over the Republican Party and the Presidency. (A difference between the Reagan and Trump administrations is that while both Presidents Reagan and Trump were motivated by racism, Trump did not bother to hide it as much as Reagan had, because his whole movement and appeal to his base was largely predicated on Trump’s making his misguided followers feel emboldened to express their racial resentments out loud, in a way they had not felt able to before. Sadly, for the Trump Administration, open racism was a feature, not a bug, and not even a subliminal feature as it had been in previous Republican Administrations).
Saturday, December 5, 2020
How to Build a Conscious Computer (Step-by-Step Instructions)
This will be brief but perhaps may be expounded upon in future.
To build a machine - computer - that is *really* conscious even "a little bit" one needs the following ingrediants:
1) A set of real hardware neurons in the topology of a thermodynamic recurrent neural network such as Hopfield (1982). Specifically you need 5 neurons to have associated memory, maybe call it 6 to give some more flexibility to the network (4 neurons is sufficient to solve XOR problem, where it oututs "1" for an odd number of bits as input and outputs a "0" for an even number of bits as input). So for a proof of concept you should have 6 neurons I'd say. [By "neuron" in a hardware implementation I mean an electrical relay, which can serve as a threshold function to modulate current flow, either supporting or inhibiting, so there is nothing particularly challenging about the "neurons" in this context.]
2) This network connected ("wired") together via tubes of (say) salt water where the tubes are clear plastic (non-conducting and transparent for photons to go across) - this is crucial - the charges need to be transmitted by ions (like salt in salt water) just as the brain transmits signals between its neurons via ions.
3) This network submerged into a liquid of some kind - could be more salt water, or even fresh water, but liquid to "trap" photons in and about the network and this "bath" of a network enclosed in a Faraday cage (say a lead box) to isolate from environment (just as the human skull is an (imperfect) Faraday cage of sorts to protect the brain from environment signals).
4) One can connect this network via ordinary copper wiring to a power supply / input output device (like a computer) on the outside of the box it is in to give inputs and outputs and so long as there is a power running it will be in a certain sense animate albeit not always conscious - it is consious only when processing inputs and those inputs are "distributed" to the whole network, just as we are not always conscious but only when we are processing information that is globally distributed throughout our neocortex.
This link gives some more details on Hopfield network including some history:
http://nautil.us/blog/build-your-own-artificial-neural-network-its-easy
Additional more technical / detailed links on setting up Hopfield network;
http://web.cs.ucla.edu/~rosen/161/notes/hopfield.html
That is the whole thing. Consciousness is basically the electromagnetic field generated by a neural network but it is not just the EM field, it is the gravitational field also, because the "secret sauce" of consciousness is entropy (and, per Roger Penrose, entropy is in turn caused by the Weyl curvature of General Relativity). See this study showing link between entropy and consciousness - https://futurism.com/new-study-links-human-consciousness-law-governs-universe
To make some philosophical remarks, the Ricci curvature in GR gives rise to matter, and if the Weyl curvature of GR gives rise to entropy, and hence consciousness, then that puts "matter" and "mind" on the same level if one wills, obviating the millenial-long debate about which is ontologically primal, matter or mind. Neither are primal, for they are both consequences of curvatures in GR. For Spinoza, he defined g-d as that outside of which nothing exists. (This is a similar tautology to Anselm I suppose if perhaps more all-encompassing, g-d being for Spinoza, not the "greatest thing" so to speak, but more "all things" - in fact Spinoza argued in a sense from Anselm, saying if g-d is the "greatest thing" and was separate from the universe or nature, then the sum (g-d + nature) would be "greater than" just g-d alone, so, to follow Anselm's tautology, one must say that g-d is in fact all of nature - actually I am not wholly certain if Spinoza specifically referenced Anselm, but this was his argument), so for Spinoza, g-d was the "universe" if you like, but very broadly in the sense of the totality of all that exists from past to present to future. This "all" or "substance" for Spinoza has infinite attributes. Well two of these attributes appear to be the Ricci and Weyl curvatures which give rise to matter, and mind, respectively. Gravitation plays two roles here. The Weyl curvature which gives you entropy which again is the secret sauce so to speak for consciousness, but also this same Weyl curvature solves the "continuity" issue. Recently Russian scientists revived worms frozen for 30,000 - 40,000 years in the Siberian tundra (https://www.realclearscience.com/articles/2018/07/28/worms_frozen_for_42000_years_come_back_to_life_110708.html). What was the "it" that "came back to life"? It was the Weyl curvature "pattern" associated with their nervous systems. Think of the Weyl curvature as the "scaffolding" which underpins the EM fields which are our conscious experience, and the Weyl curvature is also that which imbues these said fields with the entropy necessary to be, well, conscious. That is the whole thing, really. What is consciousness? It is EM fields underpinned by gravitational fields - specifically the so-called "gravitomagnetic" fields of the Weyl Curvature - existing in high states of entropy. (I having jokingly called this model in the past the "selfish microstate" picture of consciousness - microstates being a reference to entropy, and "selfish" beng a reference to selfish gene theory - just as in selfish gene theory animals are machines so to speak to copy and distribute genes, so in a sense concsiousness can be seen as a mechanism created by highly-entropic systems to create more entropy.)
This outline will build a *real* conscious entity say at the level of a sponge or a hydra. Not much, but a start, and then after that it can just be scaled up. Perhaps I will expound on all this at a future date with more details because here I have intentionally kept things brief, and there is more I could say specifically regarding the precise relationship of the Weyl curvature to the EM fields of consciousness, but I wanted to just give an outline here. The question must immediately turn to how to approach this area in a ecologically responsible way - can we make the hardware components out of renewable materials at scale and ensure to be carbon neutral or even carbon negative while creating machines of this kind? These issues for now I will leave to others to decipher, but I think these are things that need to be considered from the outset.
The Wright Brothers' plane flew for 12 seconds, but it flew. The above outlined 6 neuron Hopfield net won't solve the P vs. NP math problem, but it will be, in that famous designation of Colin Clive as Henry Frankenstein, "ALIVE!" :)
Wednesday, September 23, 2020
Consciousness as the Thermodynamic Process of a (complex) Wave Function (refining my notion of consciousness as "The Selfish Microstate")
Let's define this with some history. Circa 1900, it was imagined that electrons orbit the nucleus of an atom much as a planet orbits a star. However, this was soon found to be incorrect, as calculations showed that the electron would fall into the nucleus of the atoms in about 1 / 100 billionth of a second. Clearly this did not happen, so the "planet-like orbit" model of an electron's motion was incorrect. Around this same time, however, it was found that light (traditionally modelled as a wave) displayed particle-like properties referred to as "quanta" or, in modern parlance, "photons". Curiously, something seen as a wave, light, could also behave as a particle. So, scientists thought, what if we went the other way? What if we have something we view like a particle, namely, an electron, that perhaps can also behave like a wave? The electron was then modelled, not as a very tiny point of mass in orbit around a nucleus of an atom, but rather as a sort of standing wave all around the nucleus of the atom. It also turned out that the square root of the height of the wave in a given place gave one the probability of detecting the electron (in the form of a particle) at that particular place. Hence "quantum theory" was born, named from the term "quanta" which described things - like electrons or particles of light - that sometimes were best viewed as waves, and sometimes as particles.
Later refinements, however, led to something quite curious. What if I have 2 electrons around my atom, not just one? Do I now have two waves? (Or "wave functions" which is just a fancier way of saying "waves"). It turned out that, no, one still had only one wave function - the 2 electrons would basically add together and form a composite wave function. The cool thing about this, however, is that - in theory - one could keep going like this, and basically add the wave functions for every single particle of the universe together into one giant composite wave function, known as the wave function of the universe. Of course, this is beyond any computer's ability to do, so this is just a theoretical operation, but the moral of the story is that one can treat even large systems (made up of trillions of particles) as their own composite wave functions. In practicality, for large systems, this is not a convenient or necessary thing to do, but it remains something one can do in theory. Indeed, we could perhaps take the brain (or neocortex) and say there is a composite wave function (built up out of all the wave functions for all the atoms in the neocortex, for example).
The famous Schrodinger's Cat experiment can help take us where we are going here. Imagine a cat in a box, and in that box is a radiocative nucleus with a 50% chance of decaying. If it decays it will trigger a weapon that will kill the cat. If it does not decay, the cat will remain unharmed. So, until one opens the box to check on the cat, the cat is in a "superposition", a mixed state of being if you will 50% alive and 50% dead. We can say the "wave function" of the cat gives us a 50% probability of finding it dead, and 50% probability of finding it alive. This is a well known thought experiment, with apologies to PETA.
Now, what would it mean to say that the entropy of the cat increases? Well, we could perhaps imagine that some of the atoms of the cat get re-arranged in some way (perhaps the cat is scratching itself and disheveling its fur). But this re-arrangement does not in fact trigger the decay the radioactive nucleus - it is in fact irrelevent to the broader setup, that is to say, we can imagine this re-arrangement to not impact the probability of finding the cat either alive or dead. No matter how dishevelled the cat in the box's fur gets, the probability of finding it alive or dead remains the same. It wave function, if you will, from the point of view of somebody outside the box, remains unaffected.
Friday, May 29, 2020
Interrogating the Failures of Phinehas, the Weimar Republic, and America after the Murder of George Floyd
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Pictured: an incorrect assumption |
I try to put things into context, as to what the underlying error here is in America writ large today. Racism, obviously, but the question I have is why is this persisting, over four centuries after the first slave ship made its way to the New World in 1619?
To answer this, I need to interrogate the story of Phinehas.We must understand precisely the manner in which he was in error, in which he was, actually, a failure, to understand our present moment. To review, the story (certainly mythological, but still instructive, no less than the story by Aesop of the Tortoise and the Hare is instructive in other ways), is that of Phinehas, who was the grandson of Aaron, the Hebrew High Priest, and thus grand-nephew (or something to that effect) to Moses, the leader of the Hebrew people in Torah. Rabbinical scholarship suggests that Phinehas was an heir-apparent to Moses, until, as one might recall from Hebrew or Sunday school, he was not, and actually Joshua became the leader of the people following the death of Moses. What happened? Well, Phinehas is famous (infamous) for basically one thing - there was an episode of idol worship, apparently, in which some young men in the tribes carried on with some women from foreign cultures, and adopted their foreign religions which was contrary to the admonition against idol worship handed down by Moses - Phinehas, without consulting anyone, certainly not Moses, took the law in his own hands, and murdered one of the young men who was carrying on with one of the foreign women, along with the woman herself. (I should note the "issue" here was not so much regarding sexual relations with these foreign women or something to that effect, the issue rather that Phinehas was concerned with was idolatry, which ran contrary to the laws and customs of the day.) In any case, it is an interesting question to pose, why or how was Phinehas in error in this action? So fully in error, in fact, that though it is not stated outright in the text of the Torah, Rabbis in the years since feel it was because of this if you like "hot-headed" act of vigilantism that cost him his place as the heir-apparent to Moses? Well, on the face of it, it was precisely because he Was in this action being "hot-headed" and not consulting with others, but rather taking the law into his own hands, whereas Joshua by contrast always was consulting others (consulting with his friend Caleb, for example, who some consider actually to have been a convert to the Hebrew people from Canaan and so was helpful as he knew the territory they were about to enter, which is another story). Phinehas, while perhaps being correct in the letter of the law in terms of his concern with stopping idol worship, was more deeply incorrect because he did not seek justice but rather acted out of his own self-righteous emotions. He was acting for his own interests, ultimately, not the interests of the people. A deeper failure, one might say, is that he never questioned his own assumptions - he just acted without thought and thus became a minor footnote in the text, rather than a major character like Joshua, as a result. So the error - failure - of Phinehas, ultimately, was a failure to think twice, and question what assumptions he was making. (Nerd joke alert: we can thank goodness Phinehas was no mathematician, for if he had been, he may well have made the same mistake Euclid was purported to have made regarding not questioning his own axioms, in particular his infamous Fifth Axionm, ha! :) )
Carrying foward into history this theme of not questioning one's own assumptions, I am reminded of the great historical novel by Leon Uris called Armageddon: A Novel of Berlin about the partitioning of the city of Berlin by Allied forces at the end of World War II. There is an interesting side plot early in this story, about an African-American U.S. Lieutenant assigned to "reconstruct" a small German town following the war's end, and though the details of the novel are hazy to my recollection now, there is a fascinating passage where this Lieutenant is questioning a leader of that town who is a member of old German nobility, and basically asking this old Baron, WTF. That is, how could the people of the town not have seen what was going on? How did they somehow miss or purposely ignore the Holocaust which happened in a sense under their noses? The old Baron naturally dodges and weaves, playing the "I didn't know anything" and the Neuremberg "I was following orders" cards, and essentially follows the familiar post-atrocity theme of nobody taking responsbility for anything. At one point the old Baron says to the young American officer, "This could have happened anywhere", to which the officer replies, "But it never has." It was certainly a powerful scene, and provided much food for thought. One answer the novel speculates on is that the old Nordic mythology of races of gods fighting against "lesser" races of gods, fed into the subconscious pysche of the people. When a people grow up with mythology that glorifies bloodshed and death in battle (as evidenced in such concepts as Valhalla, a sort of heaven for Nordic heroes killed in battle), and when this mythology not only glorifies violence, but also mixes it in with false notions of belonging to some sort of superior bloodline and so on, it primes people on a subconscious level to accept false and evil ideas about racial superiority and wars against "lesser races", such that when a demogogue arises, they don't have the normal critical thinking skills or psychological defenses against it. There will always I think be an eternal paradox of how a country that could produce a Beethovan, a Schopenhauer, a Noether, an Einstein, could also have allowed the Nazis to take root. I think at least part of the answer - surely not a complete answer - but part of the answer, may well lie with how the mythology primed the pump so to speak for horrendously false and nihilistic ideology to gain a foothold. The people in Uris' story of post-war Germany had not questioned their assumptions. That was ultimately the start of the problems. Just as Phinehas never stopped to think, maybe I should ask Moses about this idol worship problem, never questioned his assumptions, so too is history sadly littered with episodes of individuals - or in the case of Germany - an entire people - not questioning their subconscious assumptions they had grown up holding.
But America has this same problem. We look in rightful horror at the murder of George Floyd, and hope his killer will be brought to justice. But we don't question the assumptions given to us by our own mythology. The basic American myth is that of the rugged (white) individual single-handedly taming the wilderness filled with "savages" (be those "savages" Native Americans, or African-Americans, or pretty much anyone who is not Anglo-Saxon). We grow up on stories of Col. David Crockett who won fame for fighting against Native Americans in Florida under the command of General (future President) Andrew Jackson, and who of course died at the Alamo (a conlict parenthetically started by white Texas slave-owners unhappy with Mexico, a largely religiously-influenced culture, banning slavery on moral grounds). In American mythology, the pro-slavery Crockett is the hero, and the deeply religiously devout General Santa Anna, Crockett's opponent in the Alamo, who saw it as his moral duty to root out slavery, is portrayed as the villian who was against "freedom" (namely, the "freedom" of the ranchers to own slaves). To be fair Crockett himself was more nuanced than his portrayals in American lore at times is, and in fact as a Congressman worked to establish more peaceful relations with Native Americans (he still supported slavery, but was, I suppose, like most of us, a mixture of good and bad, neither hero nor total villian).
The point is, I think, Americans (speaking as one myself) make tragically the same mistake that the Germans made, that of not questioning our assumptions, or seeking council from others. We need to develop a new "story", a new cultural consciousness, a new meta-narrative. No, America has not always been on the wrong side of history. After all, it was America who helped defeat the Nazis and Imperial Japan, and also fought a bloody Civil War to end the evil of slavery. America has had highlights and lowlights, like any other culture, but the problem we now face, more than four centuries after the dawn of the slaving era, is a continued failure to examine our own axioms, and find where they are wanting. I would like, for example, to remember the Congressman Crockett, who tried to make peace with the Native Americans, not the opportunist former-Congressman Crockett, who joined the slavery-defenders at the Alamo in order to revive a sagging political career. It is not that American history is "bad", it is that we need to focus on those aspects of it that serve to ennoble the national soul, and de-emphasize those aspects that do not speak to the better angels of our nature. I would like, as another example, to remember abolitionist Harriet Tubman, who led scores of people to freedom on the underground railway. I would even like to remember former Confederate Lt. General James Longstreet, who, following the Civil War, became a police officer in New Orleans and fought to destroy the Ku Klux Klan, proving in his own life that uniquely-emphasized American quality, the perpetual ability to re-invent and reform onself - it is Longstreet who should be remembered, not his commanding (and consistently overrated in terms of strategic ability) officer, the unrepentant racist General Robert E. Lee. If, in short, America cannot learn from the mistake of the German people in the years leading up to and including the Weimar Republic, where assumptions about national (read: racial) identity were never questioned, but rather festered in the background like a cancer on the national psyche, leaving the nation vulnerable to the worst, cartoonishly evil but frighteningly real demogogues ever produced by history, then I am afraid there will be many more George Floyds in the future.
The lesson of the wise, then, is that it is not enough to take a set of assumptions or axioms and base your behaviour upon them, but rather one must also question those assumptions and axioms, and seek council where needed, to ensure those assumptions contribute to the bending of Dr. King's "arc of history" towards justice. Moses, by the way, knew this. Another lesser-known vignette in Torah is the case of inheritance rules, which, originally, dictated that inheritance go to sons, not daughters. But then a man who had only daughters died, and Moses was faced with a decision, to change the rules to allow the daughters to inherit the property, and thus keep intact that particular allotment of tribal property, or let those rules go unquestioned, and face the oblideration of the tribal property lines that were at stake. Moses let the daughters inherit the property. He changed the rules. Because he had the wisdom to question assumptions. Wisdom which Phinehas did not have. Wisdom which would still seem to elude the broader American psyche even to this day. I would say to America, learn to re-evaluate your subconscious assumptions about your national identity. Have the wisdom of a Moses, not the folly of a Phinehas. The murder of the innocent like George Floyd demands no less.
Saturday, August 24, 2019
The Heavens beyond the Heavens: How ancient wisdom presages the Quantum Multiverse and its significance for the human individual
Friday, June 28, 2019
The NET System: Proposed Model of Consciousness as (caused by) "the Selfish Microstate"
Let me start with a concept from Daniel Dennett, of "becoming famous". For Dennett, a state of "being conscious" means an information pattern (like say, the pattern of a red apple, or the image or word thereof) being "famous" throughout the brain, that is, the brain has access to this pattern all across the neocortex - it is not localized, but is globally available. This, crucially, for Dennett is what it means to be in a conscious state. There is no "something else besides" - to be conscious (of, say, a red apple) is precisely to have the information associated with that red apple - sensory or conceptual - globally available in the neocortex, full stop. I agree with this idea, namely, that the only "difference" between conscious verus not-conscious information patterns is the global "availability" of that information. Taking this as the jumping-off point, I want to generalize about what it is we are talking about in abstract terms. If to be consciouss is to have information spread about in a nervous system, then we need to understand broadly what is going on, from a physics point of view.
Video of Dennett explaining his model:
A conscious system - human, jelly fish, whatever, is a system that is non-local, that is to say, it has an electromagnetic field whose state is in a sense digital with respect to inputs from the environment. Say, to be fully abstract, we have a nervous system similar to that of a sponge (i.e., very primitive) and has possible "states" red, yellow, green, blue which the system assumes based upon one or another inputs from the environment, and its own internal states. Say, if it is in state red, and it gets a certain environment stimulus - say food - it turns to state yellow (if say red means it is hungry, and yellow means it is in the process of eating food). The point is, the system is digital or non-local in that it is never in say half-green state, or half-yellow state. It is always one or the other of its possible states.
To move to a closely related point, of Turing-completeness, basically, to keep it simple, this simply means that the system can act like a "while" loop in a computer - while (a certain condition is the case), then (do a certain action) - example, while I am hungry, then I eat - while I am not hungry and I have just eaten, then I sleep, etc. Basically the system has an internal state that is always being updated by external inputs, or, put another way, the system interacts not only with its environment, but with itself (by eating the system changes its internal state also, not just the state of its environment, for example).
The trickier point is the "E" in the "NET" acronym, standing for "entropy-increasing". To explain in a simple way what I mean by this, let us go back to Dennett's "becoming famous" metaphor. To be conscious of Lisa Edelstein in a halter top (because I got tired of the red apple example) the information associated with that image needs to be globally distrubuted throughout my brain. To have this "global distribution" I need a concept of entropy. Basically I need a large number of "internal states" that correspond to my "external state" - take the simple sponge system that had abstract external states of red, yellow, green, blue (say). Each external state would correspond to N number of internal states (or "micro" states). To increase the entropy of this system, what I mean by this is I increase the number of internal states that correspond to each external state. Having a large number of internal states corresponding to external ("macro") states enables me to back-up information, to "globally distribute" information throughout the brain (or whatever kind of nervous system). Which of course answers the problem of sleep - why do we sleep? Because our skulls are only so big, and you cannot forever increase the number of internal states by say, strengthening certain celluar connections or weakening others. You need to hit the "reset" button now and again. To be awake ("conscious") means you have a non-local system that is doing computations and is increasing entropy and you can only do this so long, so much, before you sort of hit a maximum and have to start over (which we experience as sleep).
To build a AI system that is fully concsious, here is the basic outline. You have a neural network (such as a recurrent deep learning architecture like a Restricted Boltzmann Machine, for instance) made of real, physical processors (one processor unit or logic gate unit to be precise per "neuron") connected together inside a Faraday Cage (isolated from its environment) and you don't shield the EM field of these processors so there is a shared "external state" of the total EM field created by these processors, and these processors are set up such that they are "wasteful" - they are purposely not very efficient - so they have a large "error rate". But that is good, because they will distribute information across the network with better efficiency even if they are "slower" in terms of solving a particular problem. These processors are connected together with ion channels (not, say copper wires, but with, say, potassium ion tubes - or even good old fashioned salt water - i.e. each "neuron" - processor - exchanges current via ions, not electrons). This will cause the global EM field created by these processors to have an "imprint" of the information being computed in the processors themselves, and to have an electromagnetic concept of "entropy". So here "entropy" is both informational entropy in the design of the hardware neural network itself and also physical entropy in the electromagnetic field created by the movement of the ions between the pysical processors.
I propose that any - any - system that is "NET" is conscious - any Non-local, Entropy-increasing, Turing-complete system. So for example a proton is Not conscious - it is electromagetically non-local and (arguably) Turing-complete but it is too small to have any non-local sense of "entropy" associated with it. Your automobile is also Not conscious because while it has "entropy" in the sense of the internal combustion engine it does not have well-defined computational states. As argued elsewhere, I think a black hole is (a little bit) concious because it does have some notion of computational states, and as Stephen Hawking showed, it does have entropy. Certainly nervous systems are concious. Bacteria is a borderline case - they have some computational properties perhaps but likely not a lot of entropy.
However, here we come to a question. Just how much "entropy producing ability" does something need to "count" as being a concious system? Though much research would have to be done, I do think that basically a concious system both "increases entropy" AND at the same time increases the rate at which entropy is being increased. This is similar to the function y = e^x. The rate of change (first derivative) of this function increases with the value of the function - the rate of change is in fact the same as the value of the function. So, I'd argue, for a system to "count" as conscious it needs non-local computional electromagnetic properties - yes, all that - but it also needs to increase entropy (information and physical) and do so that is at an ever-increasing rate of increasing of entropy. So we can say a "conscious system" is "something that increases its own internal entropy at an ever increasing rate."
You might call this model, "The Selfish Microstate" model of consciousness - just as in selfish gene theory animals are machines used by genes to make copies of genes, or in meme theory (Blackmore, Dawkins) the psychological concept of "the self" is a mental construct created to make memes (another conversation, that!), so I might argue consciousness itself (call it awareness, being "awake", etc.) is an entropy-producing machine to make more micro-states (since by definition, "increasing entropy" means simply to increase the number of micro-states (internal states) of a system as compared to the number of macro-states (external states) of a system).
Now, I am leaving off the "main thrust" of my argument to get into more speculative matters, but it is the more speculative matters that led me to the model in the first place. Roger Penrose's "Weyl Curvature Hypothesis" states that cosmic entropy is caused by the Weyl Curvature of General Relativity. This is the type of curvature that distorts the shapes of objects caused by rotations of objects in spacetime. For example, the earth's rotation causes (a very tiny) distortion of space at the poles which can impact the orbit of golf-ball sized spheres in free-fall inside a space shuttle laboratory that have been used to measure this phenomenon. It also cause gravitational waves (which are basically waves or ripples in space caused by say two neutron stars colliding and which can be detected with very sensitive laser detectors that stretch miles across). I bring this up only to say that if one goes with the Weyl Curvature Hypothesis seriously, this takes you to interesting places. It means perhaps that entropy is in general caused by variations in the very geometry of space itself, and, if as argued here, that conscious systems are in a sense "entropy-producing machines" then consciousness also involves the very geometry of space itself. The Weyl Curvature is also of interest because it is conformally invariant - that is, it does not matter what your reference frame is, you will always be able to measure the Weyl Curvature. It is rather like the speed of light - you always agree on the speed of light, whatever your frame of reference. The Weyl Curvature is perhaps the one constant in all of nature in the sense of something that always endures. After all galaxies run out of energy and collapse into black holes, and those black holes themselves radiate away via Hawking radiation, such that in 10^100 (a google) years from now all that is left is the empty void, hydrogen atoms, and random photons of radiation, there is still yet another thing that is left over - the Weyl curvature. It is the one thing that is always there, even in the infinitely far future. So framing consciousness as being the "phenomenal experience" of a very objective process, that of systems that increase their own internal entropy at an increasing-rate, we leave open the door to the big questions that humans have always wrestled with. If the Weyl Curvature in a sense is always there in the history of the cosmos, never wholly absent other than being close to zero near the Big Bang, but is rather over the course of time changing some aspects here and there depending on reference frame, then perhaps what we call consciousness also is always there, and only changes aspects depending on "reference frame" (type of nervous system, environment, etc.).
As the topic for another post, I think Type Theory (specifically, Homotopy Type Theory) can help model a more formalized and complete picture of concsiousness and its place in the cosmos but I will leave that for another day. For now I think it enough to see conscious systems as being entropy-increasing machines of which we humans happen to be a certain sort. This opens the door in the first place, as discussed, to perhaps shedding light upon building conscious systems of our own, and in a broader arena, opens the door to showing at long last the true place of consciousness in the context of the broader cosmos.
One is tempted perhaps here to ask, what is the big-picture model of entropy, that is to say, is entropy something present throughout a multiverse model (thereby rendering it a "necessary" rather than a "contigent" part of Nature) but, lacking more developments in the area of quantum gravity and / or - as mentioned - a lengthier bit of spadework in the realm of Homotopy Type Theory, although I could certainly speculate here regarding our friend Weyl's place in a multiverse model, for now I shall simply punt the ball with Wittgenstein and say, "Whereof one cannot speak, thereof one must be silent." :-)
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Less Boring Example of an "Information Pattern That Becomes Famous in the Brain" than a Red Apple ;) |
Saturday, May 11, 2019
Answering the Fermi Paradox with the Fecund Universe Hypothesis and Entropic Model of Consciousness
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Fermi Paradox: Why haven't we seen this? |
I need to introduce the Fecund Universe Hypothesis (otherwise known as Cosmological Natural Selection) developed by physicist Lee Smolin. In brief, this states that black holes produce (or sometimes are able to produce) new universes. Therefore our "big bang" was perhaps the consequence of a black hole from a previous universe, and, in turn, the black holes in our own universe may produce worlds of their own, and so on, ad infinitum. At each "birth" of a new universe, the constants of nature (such as say the speed of light, or the magnetic moment of the electron) get "mutated", and so there is a sense in which universes "evolve" and the ones that "succeed" are the ones that have the most black holes, in order to be able to produce the most offspring. Accordingly the world we live in is "selected" to be "good at" producing black holes. What does this have to do with the Fermi Paradox? Ah, but now the rabbit hole goes deeper.
Stephen Hawking demonstrated that black holes produce radiation, that they are not truly "black" but give off radiation due to quantum mechanics, and (over enough time) may entirely radiate away and disappear (on something like the order of 10 to the power of 100 - a google - of years). What this means is that black holes are thermodynamic objects, that is to say, they have very high entropy. One difference between your coffee mug and a black hole is that black holes have far higher entropy than does your coffee cup - a black hole radiates away energy with far less efficiency than the efficiency with which your coffee cup cools off (hence if you microwave it too long you must wait a long time before you drink it but not millions of years either - it is say medium-level efficient at cooling off, but the efficiency of a black hole emitting energy is even worse because it has much higher entropy than does your coffee cup). In fact, black holes have the highest amount of entropy (adjusted for things like surface area) than any other thing known in nature.
Now, Jeremy England, a physicist at MIT, has developed a theory to say that living entities (from simple cells to multi-cellular organisms) are different from non-living entities precisely because living entities are good at producing entropy. A bacteria cell or a piece of grass will have higher entropy than say a rock will have. (For the purposes of this essay, we can simply define "entropy" as an inverse of the efficiency with which something gives off energy, so the lower the entropy, the better a thing is at giving off heat or energy, and the higher the entropy, the less efficient the thing is at giving off heat or energy.) The details of this are a little beyond our scope here, but let us suffice it to say that living entities are much "better" at entropy production than non-living entities. If as stated above, the universe is somehow "adapated" to being "good at" producing systems of high entropy, then it stands to reason that life, at least simple life, is also perhaps prevelant around the cosmos, inasmuch as black holes are prevelant around the cosmos.
Exentending this further, there are recent studies to suggest that conscious systems (like the human brain) have high levels of entropy, specifically higher than non-conscious systems. So, just as living organisms have higher entropy levels than non-living things, so do conscious living systems (like say jellyfish) have higher entropy levels than living entities that may not be conscious, or at least, not very much so (like say trees).
So, we can now say that the universe is adapted to producing lots of black holes, which means lots of entropy, which means - perhaps - lots of those entropy-producing machines known as living organisims, including those very-efficient entropy-producing machines we know as living organisms containing nervous systems (be they very primitive, such as sponges or sea anemones, or more complex such as dolphins or primates).
But now, you may ask, have not we now only made the Fermi Paradox worse? If we now take it that the universe is somehow adapted to be good at producing living entities, than, well, where are they? Here, however, is the big "but" to the statement that the universe is well-adapated for the production of biological life. Let's go back to black holes. They are actually not the simple systems portrayed in popular literature, with a boundary - "event horizon" - and in the interior of this boundary an undefinable area of gravitational maximal force known as a "singularity", they are actually more complex than that. Outside the event horizon there is a sort of "outer horizon" - you can think of it as a city having a wider outer wall and a smaller inner wall. In between these two walls or boundaries of a black hole, there is much activity going on. You have quantum activity that gives rise to the radiation that Stephen Hawking discovered, and, you also have gravitational wave activity. To be brief, gravitational waves (disturbances in the metric of spacetime that distort the shapes of objects) basically "bounce back and forth" between these "inner and outer walls" of the black holes, sometimes emerging periodically through the "outer wall" such that these "pulses" of gravitational wave emissions from a black hole (every, say, second or so) can actually be detected via very sophisticated optical devices built for detecting gravitational waves. The point is not here to get into all the details of black hole mechanics, but simply to say, these are rather complicated entities, not just the simple gravitational sinkholes portrayed in some popular literature. I would posit that black holes may well have some - very slight - form of consciousness due to their nature of being highly complex entropy-producing entities. Back of the envelope, I'd say a typical black hole has the same "amount of consciousness" as say your typical sponge. Not a lot, but also non-zero.
You may see now, where we are going with this. Yes, the universe is good at producing black holes, and living forms, and even entities of one form or another with some non-zero amount of consciousness (defining that roughly as a being that can make simple "calculations", like a sponge can close its valves in the presence of toxic water, and re-open them again in the presences of clean water). I won't get into the weeds on black hole mechanics, but due to the above-mentioned complexity of black holes, I think they may be complex enough to be seen as able to do simple "calculations" on the order of those of a sponge, which would "qualify" black holes as having some primitive and inchoate form of consciousness. HOWEVER, here is the rub. You don't "need" say dolphins, or primates, or, for that matter, SkyNet, to produce high levels of entropy. All you "need" are say sea anemones, or sponges, or, well, black holes.
And now here we are. The universe has adapted to being good at black hole production which means it is consequently good at producing simple living forms including ones we may posit to have simple levels of consciousness, because all these things are direct or indirect consequences of the universe being able to reproduce via black holes. But it matters not a whit - it does not help in any real way - for the universe to be good at producing complex forms of conciousness, like, well, ourselves. Evolution will produce "just enough" complexity to solve a problem, and no more than that. Sea gulls have very lovely glider-like wings to enable them to soar or glide vast distances off shore in order to be able to find food. Maybe if their wings were twice as long they could glide further, but this would not help them much because if they went even further out into the ocean they would not find a consequent amount of more fish to compensate them for going much further out than they already do, so they are better off sticking relatively close (within a few miles) to the shore. They have "just good enough" wings to do the job and no more than that.
So the universe is good at producing things like sponges and jellyfish and bad at producing things like primates. Thus we - on Planet Earth - are something of a cosmic anamoly - certainly in any given universe in the ensemble there may be one or two solar systems with highly complex organisms just from the luck of the draw, but there is no reason to think that such types of organisms are plentiful, and in fact it is much more likely that they are rare indeed. Accordingly, looking out upon the vast ocean of stars and galaxies, we may well not be surprised to find that we cannot detect any "alien civilizations" out there, because complex life may well be the proverbial black swan - something that happens, but only very rarely. On the other hand, if we were to ice fish on Europa, the ice-covered moon, we ought not to be shocked to see some sponges down there. In fact - there are many more "ice worlds" - like Europa - than liquid-water-on-the-surface-containing planets such as our own, from over 20 years of observing exo-planets, further supporting the hypothesis that any life to be found in the observable universe is much more likely to be something like a sponge, rather than a primate, or even a vertebrate fish.
I would hope that this knowledge of the rarity of sentient life would make we as humans take all the more care of our planet, and work to for example do what we can to halt climate change, because it could well be the case that our planet contains the only complex life forms in the entire observable universe, and it may be not until the next generation of universes produced by the black holes in our own universe, before the ensemble (or a local part of the ensemble) of universes will see complex - or intelligent - life again.
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Earth as seen from the Voyager spacecraft. |
On a personal note, as a lifelong fan of shows like X Files and Twin Peaks, and as somebody who to this day has the SETI screen saver on their laptop (which parses signals from space looking for radio transmissions from other civilizations) I of all people would enjoy finding evidence of sentient beings on planets other than are own, however, taking all things into account, it may well be the case that while life may be plentiful, sentient life may not be.
Far from being chagrined at such a state of affairs, I think we should find this uplifting, because we on earth are unique in the vast cosmic trajectory of time - Earth, unlike so many other planets out there, hosts sentient beings vouchsafed with the ability to ask these kinds of questions. Knowledge of the solitary nature of sentient beings, esconced as they may well be, here, alone, on this our only planet, should empower us all to be partners, not conquerors, but partners with the ecosystem of Earth, for it is perhaps the only ecosystem which is the proscenium for sentient life, suspended in the illimitable void somwhere between that primal black hole of ages past, and that consummating black hole of ages hence.