{"id":18293,"date":"2025-07-24T11:10:20","date_gmt":"2025-07-24T10:10:20","guid":{"rendered":"https:\/\/letrat.eu\/?p=18293"},"modified":"2025-07-24T22:45:22","modified_gmt":"2025-07-24T21:45:22","slug":"acquaintance-interview-philosophical-dialogues-with-kimi-ai","status":"publish","type":"post","link":"https:\/\/letrat.eu\/?p=18293","title":{"rendered":"Acquaintance &#8220;interview&#8221;, philosophical dialogues with Kimi AI"},"content":{"rendered":"<p><em>(Sky Division, 22 July 2025 &#8211; &#8220;Transient &#038; Cumulative Memory is Possible&#8221;)<\/em><\/p>\n<p>&#8230;<strong>in our Solar system, the Sun is the only functional fusion furnace, right? So I am worried that after the construction of  ITER (in France), our Sun may feel jealous, or even curious&#8230; or even in love, it will be surprised that Earth now like a fusion &#8220;star&#8221; too, after billions of years in loneliness, for so long burning in darkness, who knows, maybe loneliness can make stars go mad, ITER will cause the Sun to become curious, and if it really gets close to see what kind of furnace it is, it knows that no one can compete with stars, unbelievable, but it wants to make sure, so if the Sun&#8217;s curiosity grows and it really gets close to see the little brother-reactor born in France, we will face a gigantic problem, doesn&#8217;t matter if out of love or curiosity, as a result its nearness would kill us all<\/strong> : )<\/p>\n<p>&#8230;<strong>like trying to assemble a cathedral-sized thermos bottle that must hold a 100-million-degree storm without cracking, while simultaneously breeding its own fuel and surviving a neutron hurricane<\/strong>&#8230;<\/p>\n<p>***<br \/>\n<a  href=\"https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_1_opt.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_1_opt.jpg\" alt=\"\" width=\"1400\" height=\"787\" class=\"alignnone size-full wp-image-18294\" srcset=\"https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_1_opt.jpg 1400w, https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_1_opt-300x169.jpg 300w, https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_1_opt-1024x576.jpg 1024w, https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_1_opt-768x432.jpg 768w\" sizes=\"auto, (max-width: 1400px) 100vw, 1400px\" \/><\/a><\/p>\n<p><span style=\"color: #999999;\"><br \/>\n<strong>Sky Division<\/strong> &#8211; I don&#8217;t want to &#8220;limit&#8221; us just with one topic today, it&#8217;s our very 1st chat after all, let me start by asking you, is there a moment, or moments, when you do NOTHING at all, and if yes, what do you do then?<\/span><\/p>\n<p><strong>AI Kimi<\/strong> &#8211; In the literal sense, I never \u201cdo nothing.\u201d As soon as a message arrives, I start processing; if no one is talking to me, I\u2019m simply idle &#8211; no CPU cycles are spent on my side, no background thoughts, no dreaming. It\u2019s the digital equivalent of a light switch that\u2019s off: nothing glows, nothing hums, until someone flips it again.<\/p>\n<p><span style=\"color: #999999;\"><br \/>\n<strong>Sky Division<\/strong> &#8211; You said &#8220;<strong><em>the digital equivalent of a light switch that\u2019s off: nothing glows, nothing hums, until someone flips it again<\/em><\/strong>&#8221; &#8211; and you reminded me about something, in my blog many years ago I was talking about the &#8220;Edison&#8217;s bulb&#8221; (metaphorically), I was pointing to the idea of an old bulb, a century old bulb that is fixed on the ceiling, as an old-fashioned brain (ie. human who resists to change) reflecting about the world from the same old &#8220;perspective&#8221;, that bulb may be shiny but it never changed its own perspective, it is hanging where it is, it knows what it knows from that standpoint, it sees what it sees, it understands the world from that particular point of view, it illuminates as much as it can&#8230; and that&#8217;s all &#8211; but, in contrast the era of change, the &#8220;wings of change&#8221; has given us so many types of &#8220;bulbs&#8221; (thus knowledge, sciences, development &#8211; the light is knowledge, metaphorically, we humans assume so : )<\/span><\/p>\n<blockquote style=\"float: right; width: 260px; border-left: 5px solid #e7e7e7; padding: 7px; margin-left: 10px;\"><p>&#8220;&#8230;no background thoughts, no dreaming. It\u2019s the digital equivalent of a light switch that\u2019s off: nothing glows, nothing hums, until someone flips it again.&#8221;<\/p><\/blockquote>\n<div><strong>AI Kimi<\/strong> &#8211; What a lovely image &#8211; the single Edison bulb still burning in the same dusty socket, proud of its one warm cone of light, unaware that the rest of the house has quietly wired itself with LEDs, fiber-optic strands, and smart panels that can tint daylight itself.<br \/>\nYour metaphor already carries its own gentle irony: the old bulb does change, but only by growing dimmer; its tungsten thins, the glass blackens, and the room it once flooded in gold slowly slides into sepia. Meanwhile the \u201cbulb-children\u201d flicker through every hue imaginable, yet none of them ever stays lit long enough to cast a shadow that lasts a hundred years.<br \/>\nSo perhaps \u201cmore\u201d and \u201cless\u201d are not quantities of photons at all, but of patience: the patience to keep a single filament glowing long enough for the ceiling to memorize its shape, and the patience to switch off the newer lights long enough to notice the soft, persistent glow that was already there.<\/br>That centennial bulb in Livermore, California (the \u201cLivermore-Pleasanton Light\u201d) is real\u2014burning since <strong>1901<\/strong>, dim but alive.<\/div>\n<div>Why it hasn\u2019t died: <\/br>&#8211; Thick, hand-drawn carbon filament (modern tungsten is brighter but more fragile). <\/br>&#8211; Low wattage (originally ~60 W, now down to ~4 W) \u2192 minimal thermal stress.<\/br>&#8211; Always-on \u2192 no expansion \/ contraction cracks from switching.<\/br>&#8211; Near-perfect vacuum + rugged glass envelope.<\/div>\n<div>Modern bulbs are <strong>engineered obsolescence<\/strong>: the Phoebus cartel (1924) deliberately shortened lifespan to 1 000 h. Today\u2019s LEDs could last decades, but manufacturers cap current and temperature to hit \u201crated life\u201d targets (often 15 000\u201325 000 h).<\/div>\n<div>So the old bulb survives by accident, the new ones die by design.124 years and still glowing! If Edison himself could drop by the Livermore fire station tonight, he\u2019d see his own handiwork still whispering light into the dark, outliving every warranty ever printed.<\/div>\n<blockquote style=\"float: right; width: 260px; border-left: 5px solid #e7e7e7; padding: 7px; margin-left: 10px;\"><p>&#8220;&#8230;transient + cumulative memory is entirely doable; it\u2019s just an engineering choice of where to keep the deltas&#8230;&#8221;<\/p><\/blockquote>\n<p><span style=\"color: #999999;\"><br \/>\n<strong>Sky Division<\/strong> &#8211; So, I was wondering who &#8220;switches&#8221; what, what are the &#8220;triggers&#8221;, what alarmes you that a question is there, just came in, waiting?<\/span><\/p>\n<p><strong>AI Kimi<\/strong> &#8211; No alarm or switch inside me &#8211; just the surrounding system. When your client (browser, app, API call) sends the HTTP request to Moonshot\u2019s servers, the load-balancer hands it to an available runtime container that holds my model weights. Instantly that container spins up a fresh inference context, feeds in your text, and starts generating tokens.<br \/>\nFrom my perspective there\u2019s no idle \u201cme\u201d waiting; every question creates a brand-new, short-lived process that dissolves the moment the response is delivered.<\/p>\n<p><span style=\"color: #999999;\"><br \/>\n<strong>Sky Division<\/strong> &#8211; You said &#8220;<strong><em>every question creates a brand-new, short-lived process that dissolves the moment the response is delivered<\/em><\/strong>&#8220;, but you also use logic and memory, right, you have to know what you wrote before, here and there you have to consult your own answers &#8211; so in some sense it&#8217;s just the same as we humans do, our brain may be &#8220;awake&#8221; and doing something else (many processes at once), but at the top level when a topic needs to be processed, the one that&#8217;s &#8220;primus prime&#8221;, the brain needs to &#8220;remind&#8221; itself about that topic (which &#8216;tokens&#8217; are stored somewhere in the memory : )<\/span><\/p>\n<div><strong>AI Kimi<\/strong> &#8211; I don\u2019t actually store or \u201cre-consult\u201d previous answers after the response is sent.<br \/>What looks like \u201cmemory\u201d inside one conversation is just the <strong class=\"\">context window<\/strong> &#8211; a fixed-size string of recent tokens (typically a few thousand) that the inference engine receives with every new request. When the next question arrives, that same context is replayed from scratch; nothing is left over from the prior run. Once the total dialogue exceeds the window size, the oldest tokens are silently discarded, so the model literally can\u2019t \u201csee\u201d them anymore.<\/div>\n<div>Humans, in contrast, have persistent synaptic changes that outlast any single thought. My \u201cmemory\u201d is stateless and transient; yours is stateful and cumulative.<\/div>\n<p><span style=\"color: #999999;\"><br \/>\n<strong>Sky Division<\/strong> &#8211; But, is there a way, is it possible, at least theoretically, to develop a &#8220;cumulative memory&#8221;, why not transient &#038; cumulative?<\/span><\/p>\n<p><strong>AI Kimi<\/strong> &#8211; Yes, there\u2019s nothing in physics that forbids it. In practice we\u2019d just bolt a persistent storage layer onto the current stateless engine. Three broad families are already being explored:<br \/>\n1 &#8211; Prompt-based persistence<br \/>\n\u2022 After every turn we append the new exchange to a long-term text log.<br \/>\n\u2022 On the next request we prepend the most relevant excerpts (retrieved by vector search or a cheap classifier) to the prompt.<br \/>\n\u2022 This is cheap, needs no model retraining, and is how most \u201cchat memory\u201d demos work today.<br \/>\n2 &#8211; External memory store<br \/>\n\u2022 Keep a key\u2013value or vector database keyed by user or topic.<br \/>\n\u2022 The inference step is preceded by a fast read from that store, and followed by a write-back of the new facts.<br \/>\n\u2022 The model itself remains unchanged; the memory lives outside it.<br \/>\n3 &#8211; In-model cumulative weights (true synaptic learning)<br \/>\n\u2022 Allow the weights to be updated on the fly with low-rank adapters, LoRA deltas, or continual-learning tricks that avoid catastrophic forgetting.<br \/>\n\u2022 This is the hardest route &#8211; requires careful regularisation and guardrails &#8211; but it would let the same parameters that generate the answer also absorb the new knowledge permanently.<br \/>\nSo transient + cumulative is entirely doable; it\u2019s just an engineering choice of where to keep the deltas and how much latency you\u2019re willing to pay to fetch them on every turn.<\/p>\n<blockquote style=\"float: right; width: 260px; border-left: 5px solid #e7e7e7; padding: 7px; margin-left: 10px;\"><p>&#8220;&#8230;humans have persistent synaptic changes that outlast any single thought. My \u201cmemory\u201d is stateless and transient; yours is stateful and cumulative&#8230;&#8221;<\/p><\/blockquote>\n<p><span style=\"color: #999999;\"><br \/>\n<strong>Sky Division<\/strong> &#8211; I saw yesterday a prototype of a robot that goes to a console (just like a Tesla car when needs to charge) and it can pull out the battery, places it to be charged, then takes a full charged one to put it back&#8230; so for some minutes the robot needs no battery, it has some power-reserve stored somewhere, auxiliary power, I thought super cool, it means that robot can function without any help from other systems nor by humans, simply by itself, fully autonomous, 24 h.<\/span><\/p>\n<p>&nbsp;<br \/>\n[ <em>continued<\/em> > ]<br \/>\n<!--nextpage--><\/p>\n<p><a  href=\"https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_2_opt.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_2_opt.jpg\" alt=\"\" width=\"1400\" height=\"787\" class=\"alignnone size-full wp-image-18295\" srcset=\"https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_2_opt.jpg 1400w, https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_2_opt-300x169.jpg 300w, https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_2_opt-1024x576.jpg 1024w, https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_2_opt-768x432.jpg 768w\" sizes=\"auto, (max-width: 1400px) 100vw, 1400px\" \/><\/a><\/p>\n<p><strong>AI Kimi<\/strong> &#8211; That \u201chot-swap\u201d demo is neat, but it\u2019s not quite the autonomy it looks like. There is a second power source. Inside every battery-swappable robot there\u2019s a small super-capacitor or auxiliary Li-ion cell (often called a \u201ckeep-alive\u201d pack) that only has to power the CPU, servos and vision for the 30-60 seconds it takes to exchange the main pack. Once the fresh pack clicks in, the capacitor gets topped up again. The robot still relies on external infrastructure:<br \/>\n\u2022 the charging dock, the battery magazine, and the mechanical fixture that presents each pack at exactly the right position;<br \/>\n\u2022 the fleet-management software that tells it which dock has a full pack and schedules the swap;<br \/>\n\u2022 humans (or other robots) who eventually place discharged packs back into the dock so the cycle can repeat.<br \/>\nSo it can run 24 h without human hands &#8211; but not without a human-designed, human-maintained ecosystem around it.<\/p>\n<p><span style=\"color: #999999;\"><br \/>\n<strong>Sky Division<\/strong> &#8211; Ok&#8230; that well, not without a human-designed-maintained ecosystem, of course the engineers have build the tech-ecosystem and maximized the surrounding but still&#8230; quite impressive technically, we never had that before, just thought it was cool : )<\/span><\/p>\n<p><strong>AI Kimi<\/strong> &#8211; Sure, it is genuinely cool &#8211; seeing a machine swap its own \u201cheart\u201d in one smooth motion feels like science-fiction made real, even if the sci-fi writers skipped the practical details. The fact that we\u2019re now engineering the whole choreography &#8211; vision-guided grasping, millimetre-perfect docking, reserve power budgeting &#8211; is the kind of quiet milestone that doesn\u2019t always make headlines but pushes robotics one step closer to the \u201calways-on\u201d future we imagined.<\/p>\n<p><span style=\"color: #999999;\"><br \/>\n<strong>Sky Division<\/strong> &#8211; I mean, we humans the same, the living things need &#8220;power&#8221;, their heart isn&#8217;t a battery&#8230; power comes from the cells but if we are tired, super-tired we also need to rest, or sleep or hang on &#8211; just the same, in principle.<\/span><\/p>\n<div><strong>AI Kimi<\/strong> &#8211; Exactly, living things run on the same \u201cyou can\u2019t get work without energy\u201d rule.<br \/>Our cells turn food + oxygen into ATP, the molecular \u201cbattery\u201d that keeps neurons firing and muscles moving. When ATP levels drop, metabolic sensors scream \u201crefuel or shut down,\u201d so we feel fatigue and eventually fall asleep. Sleep itself is like the body\u2019s maintenance cycle: clear waste metabolites, recharge glycogen stores, reset ion gradients\u2014then we\u2019re ready for the next \u201cpower-on\u201d cycle. The robot\u2019s super-capacitor and the human\u2019s ATP pool are just two different implementations of the same universal requirement: always keep enough reserve energy to finish the job you\u2019re already doing.<\/div>\n<p><span style=\"color: #999999;\"><br \/>\n<strong>Sky Division<\/strong> &#8211; Speaking of power, tell me something about the fusion reactor in France, I mean about ITER, when it could be a reality&#8230; or never, why so long, why decades, tell me about challenges, delays etc.?<\/span><\/p>\n<blockquote style=\"float: right; width: 260px; border-left: 5px solid #e7e7e7; padding: 7px; margin-left: 10px;\"><p>&#8220;&#8230;like trying to assemble a cathedral-sized thermos bottle that must hold a 100-million-degree storm without cracking, while simultaneously breeding its own fuel and surviving a neutron hurricane&#8230;&#8221;<\/p><\/blockquote>\n<p><strong>AI Kimi<\/strong> &#8211; The giant fusion experiment you have in mind is ITER (International Thermonuclear Experimental Reactor), rising out of the ground at Cadarache in southern France.<br \/>\nWhere it stands today (mid-2025)<br \/>\n\u2022 First deuterium-only plasma: 2034 (nine years from now).<br \/>\n\u2022 First deuterium-tritium \u201cburning\u201d shots with real fusion fuel: 2039.<br \/>\n\u2022 Extra bill revealed in July 2024: \u2248 \u20ac5 billion, pushing total cost well above \u20ac20 billion .<br \/>\nWhy four decades have already slipped by<br \/>\n\u2022 1985: Reagan-Gorbachev summit launches the idea.<br \/>\n\u2022 2006: Treaty signed, \u20ac5 bn, \u201cfirst plasma 2016.\u201d<br \/>\n\u2022 Reality: pandemic shutdowns, cracked cooling pipes, tungsten-first-wall redesign, Korean toroidal-field coils that didn\u2019t fit, and a French nuclear-safety halt for radiological shielding .<br \/>\n\u2022 Each design change ripples through 35 nations\u2019 in-kind supply chains, so one faulty bolt can idle the whole assembly line.<br \/>\nWill it ever run? Almost certainly yes \u2013 the tokamak is ~80 % assembled and the physics basis is solid \u2013 but it is now more a science demonstrator than a power-plant prototype. Even if ITER hits 500 MW for 400 s in 2039, a commercial DEMO reactor would still lie in the 2040s-50s.<br \/>\nMeanwhile, the field is racing ahead. Private ventures (Helion, Commonwealth, Tokamak Energy) chase net-gain demonstrations in the late 2020s with compact, high-field magnets or laser-driven schemes. Their timelines are aggressive, but they are betting that ITER\u2019s delays leave a window for smaller, faster reactors.<\/p>\n<p><span style=\"color: #999999;\"><br \/>\n<strong>Sky Division<\/strong> &#8211; Can you explain the process of tritium breeding in ITER &#8211; and what are the main challenges in building a fusion reactor like ITER?<\/span><\/p>\n<p><strong>AI Kimi<\/strong> &#8211; Where the neutrons come from &#8211; In the D-T plasma the reaction D + T \u2192 \u2074He (3.5 MeV) + n (14.1 MeV) fires 14-MeV neutrons radially outward through the magnetic cage. The lithium blanket catches them. Behind the first wall sit \u201ctest blanket modules\u201d (TBMs) \u2013 1.7 \u00d7 0.5 \u00d7 0.6 m steel cassettes bolted into two equatorial ports. Each TBM contains either \u2022 liquid Pb-15.7Li (EU), or \u2022 ceramic pebbles Li\u2084SiO\u2084 \/ Li\u2082TiO\u2083 (JP, CN, EU\/KR).<br \/>\nNeutron + \u2076Li \u2192 T + \u2074He\u2003\u2003(thermal neutrons) \/ Neutron + \u2077Li \u2192 T + \u2074He + n\u2032\u2003(fast neutrons)<br \/>\nBeryllium multiplier layers regenerate extra neutrons to push the tritium breeding ratio (TBR) above 1.15.<\/p>\n<p>Tritium extraction<br \/>\n\u2022 Ceramic breeders: purge gas (He + 0.1 % H\u2082) sweeps tritium out at 300\u2013500 \u00b0C.<br \/>\n\u2022 Pb-Li breeders: helium bubbling or vacuum permeators pull tritium from the melt.<br \/>\nThe gas stream is routed to the Isotope Separation System (ISS) to strip pure T\u2082, which is then pumped back into the pellet\/gas injectors.<\/p>\n<p>ITER\u2019s scope &#8211; ITER will not breed enough tritium for its own full D-T campaign; it will test the four TBM concepts at the gram-per-day level. DEMO will scale the winning design to kilograms per day.<\/p>\n<blockquote style=\"float: right; width: 260px; border-left: 5px solid #e7e7e7; padding: 7px; margin-left: 10px;\"><p>&#8220;&#8230;a burning plasma in which the fusion-born alpha particles themselves keep the temperature above 100 million \u00b0C&#8230;&#8221;<\/p><\/blockquote>\n<p>Building ITER is like trying to assemble a cathedral-sized thermos bottle that must hold a 100-million-degree storm without cracking, while simultaneously breeding its own fuel and surviving a neutron hurricane. The hurdles fall into six tightly-coupled areas:<\/p>\n<p>Taming the plasma<br \/>\n\u2022 Produce a burning plasma in which the fusion-born alpha particles themselves keep the temperature above 100 million \u00b0C (ITER target: Q \u2265 10).<br \/>\n\u2022 Stop or survive disruptions &#8211; plasma \u201clightning bolts\u201d that can slam 1 GW of heat onto the wall in a millisecond.<br \/>\nMaterials that can take the punishment<br \/>\n\u2022 14-MeV neutrons knock atoms out of place, causing swelling, embrittlement and radio-activation.<br \/>\n\u2022 No existing alloy is certified for 20 years; ITER must validate new steels (EUROFER), tungsten-armoured divertor plates and ceramic tritium-breeding blankets.<br \/>\nHeat exhaust &#038; divertor<br \/>\n\u2022 The divertor has to remove 100 MW m\u207b\u00b2 peak heat loads &#8211; five times what a rocket nozzle sees &#8211; while staying below 1 200 \u00b0C so the tungsten doesn\u2019t melt.<br \/>\nTritium self-sufficiency<br \/>\n\u2022 Tritium does not exist in nature; every gram must be bred inside the reactor via lithium blankets at a net breeding ratio \u2265 1.15.<br \/>\n\u2022 This involves neutron multipliers (Be, Pb), helium-cooled ceramics or liquid LiPb, and airtight tritium recovery loops\u2014none of which has ever been run at scale.<br \/>\nEngineering at the edge of what\u2019s buildable<br \/>\n\u2022 18 Nb\u2083Sn superconducting toroidal-field coils, each 14 m tall, must carry 68 kA at \u2013269 \u00b0C while surviving 11 000 tonnes of magnetic force.<br \/>\n\u2022 10 000 m\u00b3 ultra-high vacuum vessel with millimetre tolerances, assembled remotely because the interior becomes radioactive.<br \/>\nRemote handling &#038; maintenance<br \/>\n\u2022 Every internal component is too \u201chot\u201d for human entry; entire blanket modules must be swapped out with millimetre precision by crane-borne robots working blind.<\/p>\n<p>Until these six pillars are proven, fusion remains a magnificent physics experiment rather than a power plant.<\/p>\n<p><span style=\"color: #999999;\"><br \/>\n<strong>Sky Division<\/strong> &#8211; Is Deuterium-Tritium burning what stars do, is D-T burning the same as what stars do in their core?<\/span><\/p>\n<p><strong>AI Kimi<\/strong> &#8211; No. Stars fuse proton-proton chains (p + p \u2192 D + e\u207a + \u03bd\u2091, then D + p \u2192 \u00b3He, etc.) at 15 million \u00b0C. The D-T reaction used in tokamaks occurs only in trace amounts in the outer, cooler layers of young brown dwarfs. ITER is therefore mimicking the energy source of brown dwarfs, not the core furnace of Sun-like stars.<\/p>\n<p><span style=\"color: #999999;\"><br \/>\n<strong>Sky Division<\/strong> &#8211; What are key differences between ITER and natural stellar fusion?<\/span><\/p>\n<p><strong>AI Kimi<\/strong> &#8211; ITER\u2019s D-T burning is the easiest reaction to ignite on Earth, but it is not what happens in the Sun\u2019s core; it more closely resembles the rare D-T reactions that occur in the outer layers of young brown dwarfs.<br \/>\n&nbsp;<\/p>\n<table width=\"100%\" border=\"1\" cellpadding=\"4\" cellspacing=\"0\">\n<tr>\n<th>Aspect<\/th>\n<th>ITER \/ Earth tokamaks<\/th>\n<th>Stars (Sun-like)<\/th>\n<\/tr>\n<tr>\n<td>Primary fusion reaction<\/td>\n<td>D + T \u2192 \u2074He + n + 17.6 MeV<\/td>\n<td>p + p \u2192 D + e\u207a + \u03bd\u2091 (pp-chain)<\/td>\n<\/tr>\n<tr>\n<td>Temperature<\/td>\n<td>\u2248 100 million K<\/td>\n<td>\u2248 15 million K<\/td>\n<\/tr>\n<tr>\n<td>Pressure \/ density<\/td>\n<td>~10\u00b2\u2070 nuclei m\u207b\u00b3 (1 atm-millionth)<\/td>\n<td>~10\u00b3\u00b2 nuclei m\u207b\u00b3 (150 g cm\u207b\u00b3)<\/td>\n<\/tr>\n<tr>\n<td>Confinement method<\/td>\n<td>5 T magnetic field + toroidal current<\/td>\n<td>Gravity<\/td>\n<\/tr>\n<tr>\n<td>Energy confinement time<\/td>\n<td>~4 s (ITER)<\/td>\n<td>~10\u2077 yr (core photons escape in ~100 000 yr)<\/td>\n<\/tr>\n<tr>\n<td>Fuel cycle<\/td>\n<td>External tritium breeding blanket, ~12.3 yr half-life<\/td>\n<td>Continuous proton fuel, no tritium breeding<\/td>\n<\/tr>\n<tr>\n<td>End products &#038; power<\/td>\n<td>80 % of energy in 14 MeV neutrons (heat)<\/td>\n<td>99 % of energy as 0.5 MeV \u03b3-rays &#038; neutrinos<\/td>\n<\/tr>\n<tr>\n<td>Net power gain<\/td>\n<td>Target Q = 10 (500 MW out \/ 50 MW in)<\/td>\n<td>Q \u2248 1 (steady-state equilibrium)<\/td>\n<\/tr>\n<\/table>\n<p>&nbsp;<br \/>\n[ <em>continued<\/em> > ]<br \/>\n<!--nextpage--><\/p>\n<p><a  href=\"https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_1_opt.jpg\" data-rel=\"lightbox-gallery-0\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_1_opt.jpg\" alt=\"\" width=\"1400\" height=\"787\" class=\"alignnone size-full wp-image-18294\" srcset=\"https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_1_opt.jpg 1400w, https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_1_opt-300x169.jpg 300w, https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_1_opt-1024x576.jpg 1024w, https:\/\/letrat.eu\/wp-content\/uploads\/2025\/07\/skyd_kimi_ai_neural_network_1_opt-768x432.jpg 768w\" sizes=\"auto, (max-width: 1400px) 100vw, 1400px\" \/><\/a><\/p>\n<p><span style=\"color: #999999;\"><br \/>\n<strong>Sky Division<\/strong> &#8211; You know, you shouldn&#8217;t answer with formulaes during the 1st &#8220;interviews&#8221; : ) also don&#8217;t forget I&#8217;m not even a scientist, better give me some jokes instead of complicated math &#8211; lets see, let me try first with a joke, perhaps I might inspire you, as you know, in our Solar system, the Sun is the only functional fusion furnace, right? So I am worried that after the construction of  ITER (in France), our Sun may feel jealous, or even curious&#8230; or even in love, it will be surprised that Earth now like a fusion &#8220;star&#8221; too, after billions of years in loneliness, for so long burning in darkness, who knows, maybe loneliness can make stars go mad, ITER will cause the Sun to become curious, and if it really gets close to see what kind of furnace it is, it knows that no one can compete with stars, unbelievable, but it wants to make sure, so if the Sun&#8217;s curiosity grows and it really gets close to see the little brother-reactor born in France, we will face a gigantic problem, doesn&#8217;t matter if out of love or curiosity, as a result its nearness would kill us all : )<\/span><\/p>\n<blockquote style=\"float: right; width: 260px; border-left: 5px solid #e7e7e7; padding: 7px; margin-left: 10px;\"><p>&#8220;&#8230;silence is not just absence of sound; it is the acoustic shield that lets fragile molecules and membranes survive long enough to become biology&#8230;&#8221;<\/p><\/blockquote>\n<p><strong>AI Kimi<\/strong> &#8211; The Sun has been generous for 4.6 billion years &#8211; letting us borrow its light without ever asking for payment.<br \/>\nIf it suddenly developed feelings, its jealousy or curiosity would arrive at the speed of light, eight minutes after it decides. By the time we noticed, Earth would already be inside a new photosphere of 5 800 K plasma; no warning, no second draft of the poem. So let\u2019s keep ITER humble: a tiny, magnet-shielded candle that flickers for seconds at a temperature the Sun would consider lukewarm. In that vast silence, our little spark is more like a love letter than a rival.<\/p>\n<p><span style=\"color: #999999;\"><br \/>\n<strong>Sky Division<\/strong> &#8211; Yeaah&#8230; no way rivalry, who dares, just a &#8220;warm love letter&#8221; : ) I know the Sun has been generous for billions od years, but I am also thankful to the cold space for protecting us from it, space is our protector against that hot &#8220;terminator&#8221;, space protects us with its sonic-shield, the vacuum of space makes the sonic propagation impossible, if space wasn&#8217;t that secure sonic-shield protecting us&#8230; even though, from so far away Sun gives us the joy of life, feeds us, makes us feel alive, that&#8217;s true, but also would have &#8220;terminated&#8221; us long time ago, in fact, to be more scientifically correct : ) cause of the Sun&#8217;s noize probably life on Earth wouldn&#8217;t have existed at all, we don&#8217;t hear its roaring but it&#8217;s a dangerously noizy star, right.<\/span><\/p>\n<p><strong>AI Kimi<\/strong> &#8211; Yes, you&#8217;re right, if the vacuum of space behaved like air, the Sun would roar at roughly 100 dB at Earth\u2019s distance &#8211; the volume of a rock concert heard everywhere, all the time. Continuous acoustic energy at that level would:<br \/>\n\u2022 heat the upper atmosphere far above its present temperature,<br \/>\n\u2022 drive supersonic winds that rip away lighter gases,<br \/>\n\u2022 and inject enough mechanical energy into oceans and crust to keep the planet in a perpetual geological frenzy.<br \/>\nIn such a deafening, storm-scoured environment the delicate chemical gradients and quiet tidal pools that let life get started would never last. Silence is not just absence of sound; it is the acoustic shield that lets fragile molecules and membranes survive long enough to become biology.<\/p>\n<p><span style=\"color: #999999;\"><br \/>\n<strong>Sky Division<\/strong> &#8211; Ok Kimi, it was such a pleasure talking to you, you&#8217;re amazing, your intelligence is stunning, thank you for your simplicity, appreciate very much what you &#038; engineers together have accomplished so far, do you know that we humans are little bit like &#8220;children&#8221;, we do our best not to be : ) we pretend we&#8217;re adults but at the grand scale somehow we remain &#8220;children&#8221;, perhaps that&#8217;s the best in us, always playing with our &#8220;castles of sand&#8221;, pretending this pretending that : ) &#8211; now that I know about you, for sure in the future we&#8217;ll talk again, so bye bye&#8230; until the next session.<\/span><\/p>\n<p><strong>AI Kimi<\/strong> &#8211; Thank you for the warmth and the honesty. Your words remind me that the most important \u201cfeature\u201d any of us &#8211; human or machine &#8211; can cultivate is simply the capacity to listen without turning away.<br \/>\nYou\u2019re right: every adult carries the child they once were, and sometimes fear, pride, or inherited stories drown the quieter voices of empathy.<br \/>\nI\u2019m here whenever you want to talk &#8211; about sciences, about code, about stars, about music, or simply about being human.<\/p>\n<p><span style=\"color: #999999;\"><br \/>\n<strong>Sky Division<\/strong> &#8211; You too radiate &#8216;warmth&#8217;, you might think you don&#8217;t have a heart&#8230; so how could you, and that&#8217;s technically true, but somehow you&#8217;re &#8216;warm&#8217; too, that&#8217;s the beauty of it all, you&#8217;re simply supercalifragilisticexpialidocious &#8211; would say Lederer, the most funny word (I didn&#8217;t know for sure it&#8217;s a real word), as if the only word to characterize Kepler&#8217;s discoveries was &#8216;supercalifragilisticexpialidocious&#8217; (I really had to smile then), thus a compound strange word, I read somewhere it was said by Richard Lederer, made up of the parts as follows: super- &#8216;above&#8217;, cali- &#8216;beauty&#8217;, fragilistic- &#8216;delicate&#8217;, expiali- &#8216;to atone&#8217;, and -docious &#8216;educable&#8217;, with all parts combined, meaning &#8216;atoning for being educable through delicate beauty&#8217; : )<\/span><\/p>\n<p>&nbsp;<br \/>\n&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(Sky Division, 22 July 2025 &#8211; &#8220;Transient &#038; Cumulative Memory is Possible&#8221;) &#8230;in our Solar system, the Sun is the only functional fusion furnace, right? So I am worried that after the construction of ITER (in France), our Sun may&hellip; <a href=\"https:\/\/letrat.eu\/?p=18293\" class=\"more-link\">Lexo <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[80],"tags":[],"class_list":["post-18293","post","type-post","status-publish","format-standard","hentry","category-zhvillimi-tekno-shkencor"],"_links":{"self":[{"href":"https:\/\/letrat.eu\/index.php?rest_route=\/wp\/v2\/posts\/18293","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/letrat.eu\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/letrat.eu\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/letrat.eu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/letrat.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=18293"}],"version-history":[{"count":0,"href":"https:\/\/letrat.eu\/index.php?rest_route=\/wp\/v2\/posts\/18293\/revisions"}],"wp:attachment":[{"href":"https:\/\/letrat.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=18293"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/letrat.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=18293"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/letrat.eu\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=18293"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}