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fancruft and unneeded, IMO, even though I just edited it. -- 66.92.88.148 ( talk) 21:23, 22 December 2009 (UTC)
I think the science fiction examples are very useful for a non-specialist like myself because quite dry material has a context that I can engage with. But I do see, and respect, the perspective of proper scientists who might see Scifi as "fluffy" distraction. Dom Russell-- Dominic Russell ( talk) 12:22, 13 March 2010 (UTC)
Just because a civilization spans an entire galaxy, it does not necessarily mean that it is a type III civilization. Kardashev's scale primarily deals with energy output not territorial space. The same would be true of a type IV civilization. Just because the civilization can travel to other galaxies it does not mean that its energy output is equal to all those galaxies. If this is the case then the Ancients from StarGate would not qualify as a type IV civilization. Nothing i've seen suggests their total energy output to be anywhere near or above 4 × 1037 W. The Galactic Empire from Foundation would also not be a type III civilization as they only harness power on the stellar level. The Transformers have solar harvesters that can convert one star at a time to energon but they do not generate anything near the total output of a galaxy. —Preceding unsigned comment added by 38.99.220.210 ( talk) 21:20, 2 September 2009 (UTC)
Reading some of the science fiction examples of a giving type civilization, I agree with the above. a lot of the examples i think are placed in the wrong catagory being in a higher catagory than should be in. the Federation of star trek...should be a type 1 and the transformers a type 2. the ancients of stargate a type II almost a type III. whoever did the examples didn't exactly pay close attention to the definitions of each catagory. Gulielmi2002 ( talk) 21:42, 18 September 2009 (UTC)
Considering the above, and the fact I have really engaged with the sciencefiction elements of the article I wonder if it requires a page of its own. I also agree that some of the civilisations are in the wrong catagory notably the Imperium of Man. The scale of the imperium is a source of drama not because it is efficient or technical but rather because it relys upon quazi-religious psychic powers the emperors psychic beackon in warp space being the prime example. Second consider that the TimeLords must be off the scale because they use blackholes to power their Tardis' (Tardi? What is the collective noun for a group of Tardises?) in the form of the Eye of harmony. -- Dominic Russell ( talk) 12:32, 13 March 2010 (UTC)
I have addressed all of the type IV civilisation requirements for the Ancients from Stargate: The Ancient Janus created a time machine. (Atlantis S1E15 Before I sleep). In SGU the use of seeding ships involves seeding galaxies with ships and gates effectively allowing them to extract energy, information and raw materials from any galaxy in the known universe. The ancients have also been show to 'ascend' to a higher plane of existance making them immortal and omnipotent with universe scale influence (Ark of Truth). The use of vacuum energy dwarfs the use of any matter energy source, in S2E6 of Atlantis project arcturus was an energy generation device potentially capable of generating galaxy output levels of energy, they compare their normal VPM technology (2x1025W per module) to be an 'alkaline battery by comparison', assuming a normal battery gives out 1W the arcturus device can output(2x1025)2 = 4x1050W which is around 40 billion galaxies energy output. As seen in the Atlantis transporters to move around the city ship so they have the ability to teleport. Why are they not seen at a type IV civilisation since they seem to demonstate all of the requirements given in the article? -- Aedazan ( talk) 08:47, 16 February 2015 (UTC)
The "energy use" section states that Type 1 energy consumption is 10^17W, presumably the power of the sunlight hitting the surface (although this derivation is never mentioned). The "current status" section uses a formula that assumes Type 1 being 10^16W, presumably the power practically achievable by actually covering the Earth's surface with solar cells. The "methods to achieve Type 1" section doesn't say which benchmark is used.
On a different point, I'd like to say that it'd be nice if in the "current status" the K value was broken down by country. For example, America presently uses as much energy as it'd be able to generate by covering 2% of its land surface with solar cells. I think that's significant in this discussion, as it's eerily close to [Sagan's 10^16W defintion of] Type 1.
On a totally different point, the "methods to achieve Type 1" section should obviously mention fission. It's a technology that already works and could very possibly be scaled up to 10^16W. —Preceding unsigned comment added by 207.38.162.22 ( talk) 03:17, 8 April 2009 (UTC)
—Preceding
unsigned comment added by
89.246.67.228 (
talk)
12:12, 24 November 2009 (UTC)
"Anti-matter production is still beyond our civilization's ability to utilize as a power source..." (on how could a civ reach Type 2 section)
Can anti-mater be a power source? Using laws of conservation of energy, we would atleast get the same energy used to produce it by colliding it with matter, isnt that right?
-- 189.102.144.200 ( talk) 20:14, 19 October 2008 (UTC)
In the Type I section, under 'solar', it says "Currently, there is no known way for human civilization to successfully utilize the equivalent of the Earth's total absorbed solar energy without completely coating the surface with man-made structures". The Type I energy level is 174 PW, which is almost entirely covered by incoming solar energy. So, as I understand it, the statement is true by definition and therefore confusing because it has nothing to do with the current levels of technology. Reaching the Type I energy level would require harnessing all solar energy. And that even with a 100% efficiency. It would make more sense to state that that 174 PW is the incoming solar energy. Or do I misunderstand something? Amrad ( talk) 12:43, 7 January 2009 (UTC)
As far as I'm aware, all quasars ever discovered are very very highly redshifted. They're all very far away, and hence very early galaxies in the universe's history. Unless then you have a society capable of going back in time, I don't believe it's ever possible to harness a quasar's emissions. — Preceding unsigned comment added by 174.7.168.145 ( talk) 09:36, 28 May 2013 (UTC)
In fiction at least i can name two type IV civilizations. The first being The Combine from Half Life 2, who enslave alternate universes via quantum entanglement teleportation, and then tap their entire resources for their empire, the second being The Ancients from Stargate SG1 and Stargate Atlantis TV shows, who use ' Zero Point Modules' to tap vast amounts of energy from an alternate reality of subspace. Note that in the case of The Ancients, they artificially create a macro-universe from which to tap energy. They have in a previous show revealed that in the past they did attempt to tap energy directly from an alternate universe but this proved unsustainable and dangerous.
These fictional references and perhaps some others should possibly be included, thoughts?
Brain Digitalis ( Talk) ( Edits) 18:43, 11 January 2009 (UTC)
If you check the discussion page archives, many used to be included. This article has been through some major downsizing The snare ( talk) 21:33, 12 July 2009 (UTC)
This should be re-evaluated, a type IV civilization (and possibly a type III) would be collecting any and all fissionable matter to combat entropy. Not unlike the ending of Andromeda, but in a singular local universal model. — Preceding unsigned comment added by 69.49.144.247 ( talk) 17:20, 26 August 2011 (UTC)
I want to give an argument for inclusion of a Type IV Civilization, one that can use the energy of a whole universe. The reason is that of yet, we haven't disproved Bostrom's simulation argument (see https://www.simulation-argument.com). That means that it is conceivable that we are living in a simulation. The main argument against it seems to be that there is not enough energy (in the base reality) to actually simulate our universe. But if the civilization that simulates this universe had enough energy, it would void this counterargument. If type III civilizations are conjectured, then perhaps we can conjecture type IV civilizations, who can use all the energy of a whole universe. Assuming that civilizations could evolve further after reaching stage III, they'd be using the energy of an increasing number of galaxies, and the limit would be that they could use the energy of the whole universe. In any case, with so much energy available, they could perhaps create another universe, or, more likely, to simulate ours (which cost less energy than creating one, by several tens of orders of magnitude). Bcurfs ( talk) 01:05, 19 May 2018 (UTC)
Could somebody add to the part about available information by explaining how it is actually measured? The concept of information can be seen in many contexts, and especially when expressing it into bits, the way it is explained now is ambiguous at best and nonsensical at worst. For example, if to get to the Sagan figure, you count every bit of digitally stored information on somewhat-permanent record (hard disk, DVD, ...), you can get a certain figure, but even that can be considered meaningless since a lot of this information is duplicate. Also a lot - I'd daresay the vast majority - of information isn't even stored digitally, and is difficult (and using current technology probably impossible) to express in bits. Take, for example, the collective memory of all humans. Everyone has a huge load of memories. These are often quite detailed and more than sufficient for communication, but practically impossible to express in bits unless you found a way to individually map the state of each neuron related to memory storage.
Another example: analogue media. The information on vinyl records is also very difficult to express as bits. The information on a vinyl record is exact enough to be useful, but can only be counted accurately as bits by methods like using a predefined baud rate, or by mapping the entire surface of the record with an atomic force microscope, and so on. Practically every method will yield an immensely different bit count.
Based on the above, I believe an explanation of the method of counting these bits is in order, or that paragraph really doesn't make much sense. -- Link ( t• c• m) 10:39, 5 March 2009 (UTC)
Yup. Plus the figure 10^13 bits is off by any measure. That's just 1 TB, which is a lot less than even a conservative estimate of the Library of Congress. Today, Seagate alone claims to be shipping 10^21 bits per year. 10^31 really doesn't seem so impressive. —Preceding unsigned comment added by 207.38.162.22 ( talk) 03:28, 8 April 2009 (UTC)
Another facet of civilisations is they learn to control their populations and reach equilibria. Even with the most ridiculously wasteful technology why should energy growth keep increasing what possible need would a fixed number of beings have for that much energy? 129.67.178.90 ( talk) 21:32, 21 May 2009 (UTC)
= Power is defined as the rate at which energy is used to do work. The energy "available" depends on the technology. The energy available on the Earth is grossly miscalculated in these things. Use of primary production is a significant fraction of the total. The Energy "available" on Earth is: 1) input from Sun and rest of universe 2) the difference in the elemental composition of the Earth and the same mass of Iron (which isotope IDK) 3) the Chemical and potential energy 4) momentum 5) electromagnetic fields, etc. How much work could we derive from dropping the Earth into Sag A? This whole thing is best characterized as inconsistent, ill-defined and superficial. 69.40.254.72 ( talk) 18:33, 14 November 2010 (UTC)
Miniaturization and urban live pressure has proven the idea is flaw. As similar to Thomas Malthus, Kardashev idea are start crumble down, for example, we use less energy to generate light compare to human being 100 years ago. Just inspect the recent Augmented_reality technology, one should realise transporting a human over a space craft is rather stupid. So a type II civilization should use less energy to make stuff than type I, while the galaxy civilisation, will not faring the galaxy using the physical body, but may use quantum communication to control probe across the galaxy. IMHO, current human technology will not be able to detect any type II civilisation nor type III civilisation. Just imagine a type III civilisation can make use of quantum technology to observed us without even sending any probe, just like how we use CCTV to observed people from far away. — Preceding unsigned comment added by Sltan ( talk • contribs) 22:35, 20 October 2020 (UTC)
Sry, but this is non sense! Since there is no anti-matter on earth, in solsys or anywhere nearby (we would see the anihilation radiation that is released in the border beweeen matter and antimatter) So only way is to produce antimatter ourselves. but so produce antimatter, at least equal energy is needed as is released when fused again with regulat matter. (A simple fact of energy conservation.. if you take into account, that it's impossible to reach eta=1 (german: Wirkungsgrad, dont know the englich word) you'll always have to invest more energy than you get. you could maybee in a far distant future use it to store energy (if it'll ever be possible to generate energy from the anihilation radiation, with is rather difficult, because of the kind of the radiation (neutrinos)), but not as a power source. these are hard facts from physics, i'm sry... rafik (no account, student of physics) -- 84.72.190.240 ( talk) 11:34, 14 June 2009 (UTC)
Wouldn't a civ which used say a generator on their single planet that produces as much energy as their surrounding galaxy NOT by definition be a Type III because even though it generates all the energy in the surrounding galaxy you are still NOT using all the energy available in the galaxy (ie- the surrounding galaxy itself) The snare ( talk) 04:40, 30 June 2009 (UTC)
AllGloryToTheHypnotoad ( talk) 19:04, 19 December 2009 (UTC)
Does it occur to you that if you concentrate a sun's (let alone a galaxy's) worth of energy on a single planet, the planet would vaporize? There is one word missing from this whole article and that is the word "thermodynamics". [March 21, 2014]
Where does the 10^16W number come from, is there any information on why it was picked as basis for the calculations? (..some sort of estimate for how much of the 1.74^17W available on Earth might realistically be used, or a guess by Kardashev or Sagan for the average available on a planet with a civilization, or just an old incorrect estimate for Earth's energy budget?) It makes the article/concept a bit confusing, for example "we are using approximately 0.16% of the total available planetary energy budget" is incorrect as 15TW / 174PW surely means we are only using 0.0086% ? (we'd be somewhere around 0.59 on the scale instead of 0.72 if the formula used the true estimate for Earth instead of 10^16W). Not sure how to change the article without making it more confusing though, would adding another column in the year-table with the "% out of Earth's 1.74^17W" help? Tomtefarbror ( talk) 20:20, 14 November 2009 (UTC)
I'd like to extend the scale. Someone else already made mention of civilisations tapping other universes for energy. Surely this leads to another tier above the ones already established. A type V civilisation would be one that is able to harness all the energy available from all the universes within the Multiverse. I think it should be mentioned for the sake of completeness, if nothing else. 94.192.11.126 2010-04-25T17:39:48
For someone who knows the appropriate way to update a reference... Ref #6 is a dead link, but the following year's publication can be found here: http://www.iea.org/textbase/nppdf/free/2005/key2005.pdf
I decided to take a closer look at the graph I previously endorsed, and now find the original uploader (who created the graph) made it largely out of bunk, and the caption is definitely in error (there is no singularity projection).
Full details are at the talk page, with the original image page also updated with the actual meaning of the lines. SamuelRiv ( talk) 07:16, 20 May 2010 (UTC)
I tried few times to indicate that expression "5 kg of energy per second" is false information, so you will never get reference (for example in "Numbers confusion"). All paragraph of using fusion power have no reference and should probably be removed. —Preceding unsigned comment added by 89.246.67.228 ( talk) 16:39, 7 June 2010 (UTC)
In the "Methods by which a civilization could feasibly advance to Type I" section, there are two contradictory numbers presented. Under "fusion", it states "Type I implies the conversion of about 5 kg of matter to energy per second.", but under "antimatter", it also states "The reaction of 1 kg of anti-matter with 1 kg of matter would produce 1.8 × 1017 J (180 petajoules) of energy." (which implies 1kg+1kg matter/antimatter per second would be required for Type I) Since the antimatter reaction of 1kg+1kg should produce the same energy as the total conversion of 2kg of matter, this is inconsistent with the 5kg number in the previous paragraph (and thus one (or both) of these numbers should be corrected). -- Foogod ( talk) 22:57, 27 October 2010 (UTC)
I have found what appears to be a fairly reliable citation for numbers on the exact energy theoretically achievable by hydrogen->helium fusion reactions, and added it to the article. Unfortunately, according to this source and some simple unit conversion, it became clear that the mass numbers in this article for the amount of required hydrogen were off by nearly an order of magnitude, so I've corrected those as well. -- Foogod ( talk) 23:59, 27 October 2010 (UTC)
"On a more direct level, since the Kardashev scale rates a civilization according to how much energy it is capable of harnessing, it "penalizes" a civilization that invents ways of making more efficient use of the energy already available to it, instead of simply harnessing yet more energy. An extremely advanced civilization might also choose to forgo either the projects or the materialistic growth (expansion) humanity associates with high energy demand."
This above statement seems like original research. But regardless, even aliens are restricted by the laws of thermodynamics, so it doesn't matter how efficient they are at extracting energy, they still have to acquire new energy sources in order for their civilization to grow. So I'm not sure what the point of the argument is, an advanced civilization, no matter how efficient, is still going to grow and acquire new energy sources. ScienceApe ( talk) 16:50, 10 January 2011 (UTC)
The section describing available energy from fusion calculates source longevity from available sources of hydrogen in seawater. It should have used amounts of available D and T from seawater, which are much less prevalent. 68.247.30.51 ( talk) 15:28, 13 January 2011 (UTC)
The issue I have is with the line that says "Artificially producing antimatter involves first converting energy into mass, so there is no net gain. Antimatter is only usable as a medium of energy storage but not as an energy source."
This fails to take into account how antimatter reacts with normal matter. If you use the energy needed to produce 1 kg of antimatter, to get the energy back you'll need to react it with 1 kg of ordinary matter, which we have plenty of. The reaction converts 2 kg of mass to energy (1 kg of antimatter and 1 kg of normal matter).
Meaning for the energy needed to produce 1 kg of antimatter you can get up to 2 kgs worth of energy back. —Preceding unsigned comment added by 66.87.2.26 ( talk) 13:01, 17 April 2011 (UTC)
The formula should be K = [log(10)W - 6] / 10 where W is the power output. Disregard this, my friend just point out to me that the power is in megawatts. —Preceding unsigned comment added by Mooreth ( talk • contribs) 23:48, 30 April 2011 (UTC)
The article uses external data such as report from the International Energy Agency in coming up with the chart File:KScale.svg and numerical estimates in the body. However, scanning the source data does not reveal any mention of the Kardashev scale. A concern is thus that these estimates may be considered original research or original synthesis (synthesizing world energy data with an equation). Can anyone find a source which explicitly mentions the Kardashev scale for such numbers? Shawnc ( talk) 11:55, 22 November 2011 (UTC)
I can't find the raw data for the table presented in the article. The text immediately before the table appears to suggest someone may have unwisely constructed it from data from multiple sources, possibly using different methodologies. According to this table, global energy production was 4,500 Mtoe in 1970 and 6,200 Mtoe in 1973, an increase of 37.8% in just three years. I am skeptical of that. By way of comparison, the average annual growth rate from 1973-2004 (according to the values in the table) is 1.7%.
This source (from BP) gives values of 4,970 Mtoe in 1970 and 5,726 Mtoe in 1973 — a still impressive 15.2% increase (4.8% annual growth rate), but far less than the table reflects.
"Fixing" the table with values from the BP source would probably run afoul of WP:OR or WP:SYNTH, so I'm not going to do that, but I think this calls the table data into question and it needs to be addressed, either by finding a reliable source for the table or by removing it. Capedia ( talk) 21:35, 4 December 2011 (UTC)
I have recently seen a talk on youtube that discusses our current transition from a Type 0 (zero) to a Type I.
Type 0 Being civilizations using plant base energy sources such as Wood, Coal, and Petroleum. Also Type 0 is local in warfare, local in culture, and usually mono-cultural and theistic. Our current world problems have a lot to do with various groups (e.g. terrorists) trying to retain a type 0 monoculture, and others trying to move forward to a type 1 multicultural, global world.
It looks like the idea of Type 0 is obviously not part of the original Kardashev scale, but is often mentions in conjunction with it.
Maybe do a short entry mentioning this is a latter addition to the idea?
Blog antries and mentiojns a book, "Hyperspace", theorical physicist Michio Kaku
Rkeene0517 ( talk) 21:22, 26 January 2012 (UTC)
It's not at all clear what this "race's" energy consumption is, but it's clear that they're just interplanetary badasses whose sole purpose it is to annihilate other races. Do they count somewhere on this scale above III? — Preceding unsigned comment added by 146.115.178.194 ( talk) 06:36, 7 February 2012 (UTC)
I'm pretty sure that the reapers and intergalactic bad asses, considering the fact that they stay dormant in the space between galaxies. So i think it's safe to say that they are at least a type IV,
and their purpose want to annihilate other races, the leviathan's gave them a task to find a solution the the problem that which plagued every species it visiter, i.e., the AI's made by them revolted, always, so the only solution they could find was too kill them before they created AI's, that is, until the joining of the catalyst and crucible opened up new options for them — Preceding unsigned comment added by 122.176.167.160 ( talk) 17:30, 7 July 2014 (UTC)
Many people take the scale serious. Has nobody ever declared it nonsense? Kardashev says, energy consumption can increase infinitely with same rate as during last 100 years. We know, that that is not possible. -- Hans Eo ( talk) 15:26, 11 August 2012 (UTC)
Should the MtG universe be mentioned under Fictional Type V races? The fact that some individuals have the magical ability to travel through the multiverse and alter cosmic events isn't really a good scale for the level of technology of the races in that multiverse.
The Infinite Consortium is a terrible example in any case, as it consists of normal individuals led by a few planeswalkers. — Preceding unsigned comment added by 178.85.121.222 ( talk) 14:57, 15 October 2012 (UTC)
Kardashews theories are often cited. These and also his (very extreme) calculations about information exchange by radio. Is there no text of experts who criticise him sharply? In our think-tank we concluded, that both is more nonsense than realistic science. We are looking, so far without success, for wiki-citable documents. -- Hans Eo ( talk) 16:30, 6 November 2012 (UTC)
Kortoso ( talk) 17:55, 2 December 2013 (UTC)
Quoting the article:
Carl Sagan suggested defining intermediate values (not considered in Kardashev's original scale) by interpolating and extrapolating the values given above for types I (1016 W), II (1026 W) and III (1036 W), which would produce the formula
- ,
Using the formula:
— Arthur Rubin (talk) 05:38, 27 June 2013 (UTC)
I was thinking if maybe the Forerunners from Halo should be moved to a Type IV. We've seen they can teleport, they can manipulate time (First Strike) and according to Silentium (I don't have the book with me right now, so I'm only writing this from memory) their power sources draw vacuum energy from alternate universes. And the original twelve Halo's were strong enough to affect life beyond our galaxy. Not to mention they are percieved as gods by the Covenant. So, what do you think? 81.241.150.63 ( talk) 17:07, 3 October 2013 (UTC)
I think the Precursors of the Halo universe should be added to the list of Type IV civilizations. Even the Forerunners did not know the full extent of their reach and influence. The book series reveals that the Forerunners' Domain was the Precursors' Organon, a sought after device by some Forerunners, including one of the main characters Bornstellar.
97.116.73.138 ( talk) 18:00, 8 December 2013 (UTC)
Should — Preceding unsigned comment added by 173.51.221.24 ( talk) 08:23, 15 April 2014 (UTC)
Should "examples" section be moved to List of Kardashev scale civilizations in science fiction as theyve done so with other lists? Seems like examples section wants to be a list. Separating speculative works from the theoretical aspects could help emphasis the articles key points. -- 173.51.221.24 ( talk) 08:27, 15 April 2014 (UTC)
Leslie White's ideas do not make much sense as they are reported here. It is obviously inconsistent as man was probably burning firewood (plants) before animals were domesticated. We tend to define our epochs of civilization by energy technologies such as smelting: Stone Age (fire was and is still used to modify the properties of stones), Bronze Age, Iron Age, Age of Steel and Nuclear Age. White's muddled exposition may have been enlightening in the past, but looks inconsistent and self-contradictory today. Kardeshev's Scale is obviously part of a continuum that can be usefully described. But someone must have written something that makes more sense than White's scale. 210.48.92.9 ( talk) 09:28, 15 April 2014 (UTC)
Shouldn't the history of CTA-102 be mentioned here?
I deleted the "theoretical examples" section because it repeats information given elsewhere in the article, and serves as a stunningly powerful magnet for unsourced fancruft. This article has been a cruft-collector for years now, let's see if we can clean it up? AllGloryToTheHypnotoad ( talk) 21:53, 30 March 2015 (UTC)
A Type 0 civilization extracts its energy, information, raw-materials from crude organic-based sources (i.e. food/wood/fossil fuel); pressures via natural disaster, selection, and societal collapse creates extreme (99.9%) risk of extinction; it is capable of orbital spaceflight; in fiction, societies that fail to improve social conditions, environmental and medical understanding concurrently with other advancements, frequently accelerated their own extinction. [1] [2] It could be considered similar to 21st-century Earth.
A Type I civilization extracts its energy, information, and raw-materials from fusion power, hydrogen, and other "high-density" renewable-resources; is capable of interplanetary spaceflight, interplanetary communication, megascale engineering, and colonization, medical and technological singularity, planetary engineering, world government, trade and defense, and stellar system-scale influence; but is still vulnerable to extinction. Many science fiction stories that take place in the near (100-1000 year) future are type I.
A Type II civilization extracts fusion energy, information, and raw-materials from multiple solar systems; it is capable of evolutionary intervention, interstellar travel, interstellar communication, stellar engineering, terraforming, and star cluster-scale influence; the resulting proliferation and diversification would theoretically negate the probability of extinction. The fictional Federation of Star Trek would fall under this category. The races from Wing Commander are on this level. Most races in The Homeworld universe are on this level. Many of the races in Mass Effect are type II civilizations.
A Type III civilization extracts fusion energy, information, and raw-materials from all possible star-clusters; it is capable of intergalactic travel via wormholes, [3] intergalactic communication, galactic engineering and galaxy-scale influence. The Asgard of the Stargate franchise are a type III civilization as well as the Galactic Empire of Star Wars citation needed. The Races from Gene Roddenberry's Andromeda are on this level. The Scrin from the Command & Conquer series are shown to be an interstellar empire that seeded tibereum across the universe, and are able to make wormholes. The Engineers from Prometheus had created humanity & seeded the foundations of life on many planets across the galaxy. The progenitors from Homeworld came from another galaxy & their technology was more advance then the younger races, it was also believed that they seeded life across the universe. The Nephilim from Wing Commander are able to create wormholes between dimensions to travel.
A Type 4 civilization harnesses the power of its own universe. Such a civilization in fiction would be seen to a lowly type 0 civilization, as an omnipotent deity. citation needed A type 4 would be effectively immortal and omnipotent. A civilization this advanced could tap into the mysterious dark matter, and which could manipulate the basic fabric of space-time. Their capabilities may include Instantaneous matter-energy transformation, teleportation, and time travel. citation needed In fiction there are a few such as the Forerunners from Halo that occupy this level, as they are capable of basic time manipulation and basic control over gravity. The Daleks from Doctor Who and The Celestials from Star Wars seem to be at this level.
A Type V civilization, would be advanced enough to escape their universe of origin and possibly explore the theoretical multiverse. Such a civilization would have mastered technology to a point where they could build a custom universe. Once a Type V civlization has achieved this height, they would have to have mastered the physics of different universe and thus almost complete control over all basic parts of nature. Devices such as the monolith would be examples of their technology. The Q from Star Trek would occupy this level, as they are capable of gathering energy from outside their universe. The Time Lords from Doctor Who would also occupy this level citation needed, as they are able to leave their universe as well as travel to and from the theoretical multiverse.
References
Interstellar Travel
was invoked but never defined (see the
help page).these might be relevant articles that can have aspects integrated a bit.... Luminous infrared galaxy, Infrared excess -- Smkolins ( talk) 15:24, 3 June 2015 (UTC)
It looks like there was once a section titled "Criticism", which is usually an important component of evaluating any theory. It goes a little like this:
Thoughts? Kortoso ( talk) 16:44, 22 October 2015 (UTC)
This is about changes to this article from an IP User that added new content without discussion in Talk Page or with reliable sources. I have reverted it in Good Faith hoping the user would restate the claims, but with sources. I would appreciate help from editors working with this article. Historiador ( talk) 19:25, 30 November 2015 (UTC)
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This is my first ever suggested edit so please bear with me if I get any formatting or etiquette wrong (feedback on either is most welcome).
The following sections of the article use the term 'Solar system' incorrectly
I suggest replacing solar with planetary in each case. There is only one star called 'Sol', which occupies the centre of the 'Solar System'. All other such systems should be referred to as 'planetary systems' or by their given names.
Supporting Wikipedia articles:
Planetary_system ("Solar systems" actually redirects here)
[1]
Sol
[2]
Solar_System
[3]
Solar_System_(disambiguation)
[4]
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Cheers.— InternetArchiveBot ( Report bug) 14:55, 6 December 2017 (UTC)
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Cheers.— InternetArchiveBot ( Report bug) 20:37, 22 January 2018 (UTC)
In the definition section on this page, the article gives energy consumption in erg/sec before parenthetically giving the same measurement in Watts. The earlier number seems unnecessary, as erg is not SI, and no information would be lost entirely because the same number is given in Watts immediately after being given in erg/sec. Additionally, it provides the total energy that falls on the Earth in Watts, then compares it to the following number given initially in erg/sec. If someone could provide an explanation as to why this edit was made, or edit it directly, it would be appreciated. MarsGoodmine ( talk) 00:51, 25 December 2018 (UTC)
How would you rate the civilization depicted in 1956 movie 'Forbidden Planet', having a machine producing enough energy as to materalize the dreams and desires of inhabitants? — Preceding unsigned comment added by Hijuecutivo ( talk • contribs) 22:07, 26 February 2020 (UTC)
"Kardashev believed that a Type 4 civilization was impossible, so he did not go past Type 3. However, new types (0, IV, V, VI) have been proposed." Is there a source linking to these types of civilizations? — Preceding unsigned comment added by Rmoostet ( talk • contribs) 01:10, 27 April 2020 (UTC)
I think the section "Criticism" should be expanded in a way similar to this draft / to include information about the use of e.g. black holes as energy sources (relates to 'Type II' and 'III' civilizations):
Furthermore, beyond assuming that being able to use such large amounts of energy would be a common or reasonable generalizable persistent metric of progress, advanced civilizations may use energy sources unrelated to the scales of the metric such as black holes. Civilizations that do not inhabit star-based systems but aren't able to use energy at the level of galaxies are not considered in it. Recent studies have shown that it may be possible for civilizations to extract energy from black holes. [1] [2] [3]
Information about these two studies is included in 2020 in science and 2021 in science.
References
The Type I definition states: "which is about four orders of magnitude higher than the amount presently attained on Earth", but is "attained" the correct word? does it mean consumed?
In section Definition - type I there looks to be a contradiction whether we are using 4×1012 watts of solar energy, or 2×1013 watts. George Albert Lee ( talk) 19:20, 12 April 2021 (UTC)
![]() | This page contains a translation of Échelle de Kardachev from fr.wikipedia. |
Hello everybody,
I noticed that the French version has a feature article badge and more useful information which could be transposed to this page.
I changed the beginning of the article and put a template to reflect this, as specified in Wikipedia:TIE.
As a disclaimer I want to state that:
IrrationalBeing ( talk) 18:10, 3 April 2022 (UTC)
If this article is supposed to be about a scientific concept then why does it splash portraits of two people who aren't even the ones who came up with the idea and why it might be useful in the first place? Portraits are rarely used on articles about scientific concepts – of everything Einstein did his portrait is on only two articles: special relativity (part of his "Miracle Year") and mass–energy equivalence (which is where all references to E=mc^2 redirect, so it appears as reference to the pop culture phenomenon). This has to do in part with historical aversion to personality cults in science, and with demarcating academic work from pop culture. SamuelRiv ( talk) 17:35, 20 May 2022 (UTC)
"A type II civilization can send this data by means of a transmission beam emitting for only 100 seconds." This information would be more meaningful if it contained information about (a) where the info would be transmitted: To just one point, in one direction, or could it be received everywhere; (b) what kind of receiver would be expected (another civilisation with a huge telescope, oriented at the right direction at the right time would have ab easier task) and (c) whether that energy would be sufficient to make anyone listen to the right place, at the right frequency etc. — Preceding unsigned comment added by Meerwind7 ( talk • contribs) 15:49, 19 November 2022 (UTC)
Kardashev also examined the possibilities in cosmic communication, which attend the investment of most of the available power into communication. A Type 2 civilization could transmit the contents of 100,000 average-sized books across the galaxy in a total transmitting time of 100 seconds. The transmission of the same information to a target ten million light-years distant—a typical intergalactic distance— would take a transmission time of a few weeks. A Type 3 civilization could transmit the same information over a distance of ten billion light-years, approximately the radius of the observable universe, with a transmission time of three seconds.