Humanity was born way ahead of its time. The reason is grabby aliens.
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День томуConsidering the hurdles that simple dead matter has to go through before becoming an advanced civilization and that there might be habitable planets lasting trillions of years, humanity looks incredibly early. Very suspiciously so. Robin Hanson, who first came up with the great filter in 1996, offers a compelling explanation: grabby aliens. They are defined as civilizations that 1. expand from their origin planet at a fraction of the speed of light, 2. make significant and visible changes wherever they go, and 3. Last a very long time. Such aliens explain human earliness because they set a deadline for other civilizations to appear. Non-grabby civilizations like ours can only appear early because later, every habitable planet will be taken. This is a selection effect. Plus, grabby civilizations are plausible for many other reasons: life on Earth, and humans, look grabby in many ways. Species, cultures, and organizations tend to expand in new niches and territories when possible, and they tend to modify their environment significantly. In the video, we also delve into the plausibility of space travel. As always, you can support us on:
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Sources and further readings:
Robin Hanson's paper on Grabby Aliens - updated since the one shown in the video: grabbyaliens.com/paper
Grabby Aliens website: grabbyaliens.com/
The Great Filter - Are We Almost Past It? mason.gmu.edu/~rhanson/greatf...
Note that the date is 1998, not 1996. According to Wikipedia, 1996 is the date of the first version of the paper.
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Chapters:
0:00 - Overview
1:05 - The question behind the model
1:16 - The hard-steps model
3:16 - Estimating human earliness
6:53 - Grabby aliens explain human earliness
9:17 - Other reasons why grabby aliens are plausible
12:15 - Next video
12:22 - Become a patron!
@RationalAnimations 2 роки тому
This video has been the hardest to make so far, but my hope is that we'll be able to maintain this kind of quality and slowly improve further. If you want to see more in-depth animated videos, consider supporting us on Patreon: www.patreon.com/rationalanimations Additionally, you can make one-time donations on ko-fi: ko-fi.com/rationalanimations
@RalphH007 2 роки тому
Very nice video, but could you please turn down the BGM a little bit, it makes it hard for me to understand the words without concentrating very much on it.
@_shadow_1 2 роки тому
Your effort paid off because this got into my recommended. Get ready to blow up
@conorhealy2763 2 роки тому
Wait a sec. Are you the safety in AI guy?
@EdibleFuture 2 роки тому
good news i found your channel through top recommendations ^-^ your getting recommended to people that's a hard step for ya
@blinking_dodo 2 роки тому
How do you mean a billion years before earth is inhabitable? It will just be a few hundred years at most. Cause: "humanity"
@petersmythe6462 2 роки тому
I mean, looking mildly early is ok. It's when we look so early that someone is gonna accuse us of manipulating our pearl and blaze rod drop rates that this is concerning.
@Vit-Pokorny 2 роки тому
underrated comment
@siddbastard 2 роки тому
the MMO conundrum ?
@absolutehuman951 2 роки тому
Oh, THAT video about probability!
@joshuamoore2646 2 роки тому
It’s not inconceivable that we really just are very early.
@MarkusAldawn 2 роки тому
manipulating the spawn rate of civilisations and citing "Java is weird" to cover your tracks
@segevstormlord3713 2 роки тому
I have oft been a fan of the concept of "Humans are the ancient precursors."
@victor_silva6142 2 роки тому
Interstellar?
@lordgrunwalder1607 2 роки тому
Me to! I am creating my own universe for a scifi comic and humans are simply the 5. First smart species in universe, and the 3 of the previous ones dissapeared long times ago! Humanity never see any other species instead of them not because they are hiding or not real but because humans are the very first members of something big!
@BlastinRope 2 роки тому
You dont need to populate unreachable parts of a simulation, waste of computing power
@alejotassile6441 2 роки тому
All tomorrows is a good example!
@maxim6088 2 роки тому
@@alejotassile6441 not really, if anything the Qu are the precursors (or the dudes who put the dinosaur on the other planet, although that may have been the Qu I'm not sure if the author clarified that part)
@TimZoet Рік тому
We always think about 'what if we found life on another planet?' But I just had the thought of what if we find a mining probe working on a different planet. That would be even crazier. Not only did we discover other life, but they're more advanced than us.
@nmh1120 Рік тому
It is overwhelmingly likely that if we happen to discover an alien race they will be much more advanced than us. It's nearly impossible to detect a more primitive species and it would be fairly easy to detect a super advanced one.
@sol_in.victus Рік тому
Well i would say if we're talking about any kind of reasonable timeframe where we can even imagine how humanity will be like, then meeting another species would either be really primitive or waaay ahead of us since they'd have to be the ones to find us.
@Neon-ws8er Рік тому
Imo we’d blow it up
@potmki6601 Рік тому
I’d say in that case, we’re fucked. Also, more technologically advance civilization would sooner discover us then vise versa
@ryantrusty8933 Рік тому
i like the concept that we used to be very advanced but then we fell off and the solar system society was lost to time but humanity is still out there in the universe
@RifterDask Рік тому
We do often overlook the fact that we haven’t always been alone. We used to share the Earth with other intelligent hominids, but they were all killed or, in the case of the Neanderthals, integrated and absorbed into our own species over time.
@josephrion3514 8 місяців тому
We simply out-competed our four friends in a sense, but well said. We didn't even have to directly murder them like how some species now seem to be incompatible with how we do things and move stuff around usually ones who are too niche. We are quite the wave makers.
@konsta245 3 місяці тому
But we still had a common origin... That's the big difference
@robertperschau5910 3 місяці тому
@@konsta245 not if you believe in panspermia
@thezipcreator 3 місяці тому
@@robertperschau5910 panspermia just explains abiogenesis; it'd still be a common origin, just that origin being from another planet or system
@flameofthephoenix8395 3 місяці тому
We also overlook the fact that other species are equal in intelligence, the only difference is that some creatures have different priorities.
@tonymcgray9599 2 роки тому
If you want to see the grabby aliens hypothesis in action, play stellaris
@manofcultura 2 роки тому
My psionic isolationist xenophobic irenic bureaucracy totally obsessed with inward perfection and technological supremacy would beg to differ.
@rafaxpg 2 роки тому
Maybe Spore too? This hypothesis gave me major EXPLORE AND CONQUER THE UNIVERSE AFTER SPENDING ONLY HOURS AS A UNICELULAR ORGANISM
@benbuckton5114 2 роки тому
I disagree, Stellaris represents a universe where this hypothesis is false. According to this hypothesis you are either grabby and entering into a mostly empty universe or you never exist because all the planets are already taken. In Stellaris your empires appear as newly evolved in the middle of the timelime (Precursors and Fallen empires before you, and Primitives after you). This suggests that all empires in Stellaris (past and future) are non-grabby. They do not pass Rule 1 and Rule 3 "Expanding outwards constantly for a long time, cosmologically" and it seems there is something which stops empires from expanding forever... but lets stay spoiler free shall we.
@Pyrohawk 2 роки тому
@@benbuckton5114 an interesting point, and a good one; indeed the grabby aliens hypothesis, at least in this video's interpretation, neglects the decline of grabby civilizations. In stellaris, the precursor aliens either go extinct, or become non-grabby (fallen empires). It also features an unrealistic world where you spawn in a relatively short timeframe of your conquering the universe (100-300 years ish), and implies a short decline (centuries at most). You can actually see grabby survivor bias in stellaris: if the fallen empires never became docile, they could easily dominate the galaxy . However, since they wait, the new aliens have ample opportunity to overcome and destroy them through grabby behavior or other stellaris cheese. Also, stellaris raises the question of bureaucracy; can all aliens expand infinitely, or is there a point at which they overextend and disintegrate due to their massive sprawl?
@EVanimations 2 роки тому
@@Pyrohawk I'm of the opinion that colonies of formerly grabby aliens would be isolated from each other by lightyears of space, and over the millions of years apart evolve to become very distinct alien species from one another.
@satortenet 2 роки тому
Drake: "There must be aliens somewhere!" Fermi: "So, where are they?" Hanson: "We are the aliens."
@aardque 2 роки тому
Plank: "Of matter, neither we, nor aliens actually exist, but are merely waves of quantum potential."
@viverasschweiz 2 роки тому
@@aardque very nice
@felipefuentes4811 2 роки тому
You just sprout after flood you are new flood dna
@asuraizen 2 роки тому
Are we the baddies?
@cheddaboyant7817 2 роки тому
Drake the type of lightskin to hypothesize about alien lifeforms
@dreamcanvas5321 Рік тому
The biggest problem I have with the "grabby aliens" hypothesis is that it assumes interstellar civilizations would have resource desires and needs that directly conflict with our own. However this could be a flawed assumption for a number of reasons: If it's possible for a species to travel light years away in some fashion, then given how empty space is, it's unlikely that they're explicitly dependent on planets for resources. Planets are infrequent, have high gravity and other hazards that mean they take HUGE amounts of conventional energy and effort to deal with. Let's take water for example, which is the most essential substance for life we know of. Despite the fact that Earth has literal oceans of the stuff, for a space faring civilization it'd be far more efficient to mine planets and asteroids, or even simply harvest hydrogen and oxygen from nebulae etc., then to land on a planet massive enough to hold water and grab it from there. Even if we assume ultra advanced future tech makes it *easier* to harvest water from an earth-like planet then it is today...why wouldn't it be even easier and more efficient to still get water from those other sources? Additionally, it's plausible that microbiological life on any alien planets are a potential *extreme* hazard to any species that evolved on a different planet; because their mere metabolism might produce compounds that are highly-toxic to alien life from other planets. If there's not a credible, ultra-scientifically advanced way around this...then one would expect aliens to *actively avoid* at least any physical contact with other life-bearing worlds.
@David-jx4gw 3 місяці тому
Yeah but we need to send a message to the aliens so they know that water belongs to us.
@donttouchmycoffee 2 місяці тому
That's a decent thesis you have there. I'd really only have one note to offer: According to biologists, there is absolutely no reason we should assume a risk regarding alien pathogens because of how pathogens have to evolve, often in very inefficient and counterintuitive ways to infect their prey. Just looking at how complicated it is for a virus to be able to infect a particular cell, from a particular host, one can see how unlikely it is for a virus, that has never seen a species, to be ready and armed for infection. These complications even make disease less likely when it comes to more complicated infectious agents, like nematodes and parasitic worms that often require multiple host species to complete a life cycle.
@Hannah-cb7wr 2 місяці тому
@@donttouchmycoffee The point is not pathogens, but chemicals. Uric acid is harmless to life on earth and occurs very commonly as a byproduct of biological activity, but might be highly poisonous to life forms which have a completely different metabolism.
@Andreas-gh6is 2 місяці тому
The point of "being early" is that the aliens arriving on a potentially habitable planet arrive most likely even before life evolves there. Then they change that planet in some form. And yes, there is a question whether or not they would need to mine or extract resources from that planet if there are asteroids and other planets around. But for one thing, they'd be going at the expansion full-tilt so they would use exponentially replicating machines, and consume all the resources in a solar system. For another, they might construct a dyson sphere or something similar, stopping any life from evolving also.
@NYKevin100 2 місяці тому
@@Hannah-cb7wr This is somewhat plausible, but a lot less so than sci-fi authors would like it to be. If we assume CHON (carbon, hydrogen, oxygen, nitrogen) life, as we have on Earth, then the basic chemistry is all the same. You can imagine the biochemistry developing differently, but it still has to deal with the same chemical building blocks as we do, so convergent evolution is likely to make many chemicals have similar effects in practice (CHON aliens will not melt when you dump water on them, for example). More complex stuff, like DNA, is going to be entirely different of course, but it's not as if we're going to try and breed organisms from different biospheres with each other. If we suppose the aliens are not CHON, then you run into two basic problems: * Your chemistry has to be elaborate enough to support complex biochemical pathways, and perform at least most of the basic functions that we see in CHON organic chemistry. * Your chemistry has to involve elements that are relatively abundant in the local environment, which is probably at least _somewhat_ similar to abundance in the universe as a whole. CHON satisfies both of these requirements. Most proposed alternative biochemistries run afoul of one or both requirements. Ammonia-based and methane-based are somewhat plausible, but both of those are hypothesized to function at temperatures and/or pressures vastly different to those of Earth, so they're not going to land on Earth for the same reason that we're not going to land on Venus (yes, the sulfuric acid is a problem, but the temperature is a much more immediate problem).
@adamlytle2615 Рік тому
I've come to suspect that being "grabby" in and of itself is one of the great filters. We don't see expansionist alien civs because that tendency tends to result in their own collapse before they ever escape their own gravity well in any sort of significant way. If you can last long enough to become space faring, you almost by default have learned to live within your own means.
@adamlytle2615 Рік тому
@@hungrycrab3297 and the crazy thing is, a solar system could have hundreds of thousands of O'Neill Cylinders (or maybe even the larger Mckendree Cylinders) housing trillions of people, and they STILL would not have altered the appearance of their star enough to be detectable from even a light year away, let alone dozens or thousands of light years away.
@thepandaman Рік тому
Yup, I would liken our expansion to the spread of bacteria in a petri dish, rapidly expanding...until they all die off.
@zackwalker6775 Рік тому
That outlook assumes many things about he human consumption and multiplication. During the time of greatest plenty (right now) the human population is on decline, kept out of free fall only by life extending medicine. People can only consume so much in a lifetime and with basic recycling the inner solar system has enough to support trillions of people. Humanity can't consume enough to strain the solar system for billions of years.
@djmotion86 Рік тому
@@zackwalker6775 this population collapse is due to a small fraction of humans being extremely greedy.
@suchistheuniverse7858 Рік тому
@@zackwalker6775 "only consume so much" you write. How about durable goods? Yachts, planes? What if everybody want own spaceship like now want a car? Own space station as a house? To be independent somehow. What might keep up in Solar I think is short lifespan. How many work toward something that will bring any result in only 1000 years? I bet close to zero.
@ro2202 2 роки тому
It's so interesting that, in spite of all the media involving humans discovering ancient civilizations that knew great secrets about the universe, it's likely that *we* are that ancient civilization that some civilization will stumble across. We might be the ones that arrive and give others our secrets, because we're the only ones here as of now.
@matheussanthiago9685 2 роки тому
that is a responsibility we're definitely not ready to occupy
@the13inquisitor59 2 роки тому
@@matheussanthiago9685 Yeah, as a species, we're still self-destructive toddlers. Selish teenagers at best.
@elokin300 2 роки тому
@@the13inquisitor59 so I guess we’d set an example of what *not* to be for future species
@the13inquisitor59 2 роки тому
@@elokin300 Right now? Yeah, pretty much.
@ninetailedfox579121 2 роки тому
@@the13inquisitor59 But if you think about it any "ancient species" would be the same way. Any ancient species had to have died out or moved on at some point, and surely any intelligent species that isn't self-destructive would be able to figure out a way around their problems.
@d00mshr00med 2 роки тому
I feel like the grabby aliens concept is honestly something we already knew and just hadn’t acknowledged. When we’re surprised at how “early” we are, we’re really just saying that we’re surprised to (maybe) be one of the very few grabby aliens.
@RavemastaJ 2 роки тому
Concepts without mathematical models are hard to acknowledge from a scientific standpoint, in the same way that even a large collection of anecdotes is not considered statistical.
@RubelliteFae 2 роки тому
@@RavemastaJ People adept at (communicating through) symbolic logic will accept truth delivered in the form of symbolic logic. People adept at (communicating through) storytelling (whether through words, music, painting, dance, etc, etc) will accept truth delivered in the form of storytelling. When one confirms the other academia's shock is founded on the idea of, "they weren't so crazy/lying after all." This isn't a critique of our system of verification. More of an amusing observation at human tunnel vision and the tendency for even big brained people to be small minded in the grand scheme.
@eragon78 2 роки тому
The reason why is because any civilization that would exist must be early and grabby (assuming they have passed all the hard barriers that would prevent them from becoming interstellar). It is similar to the concept of life. Life is incredibly rare and unlikely on each individual planet, but only life can wonder about the probabilities of its existence. It was incredibly unlikely Earth specifically would have formed not only life, but intelligent life, However, the only possibility in which life would wonder about the unlikeliness of its existence to form on Earth would be if it formed on Earth. If we formed on some other planet, it would be just as unlikely. The point is, that ALL life that forms would find its potion equally unlikely that it would form in its specific conditions, because life NOT forming cannot think about its unlikely existence. Its a form of survivor bias. In the same way, this logic applies to Grabby Aliens. New intelligent life cannot arise on a planet already occupied by grabby aliens. Since Aliens are "grabby", this means eventually every habitable planet will one day be under the control of a grabby alien species. This means there will come a time when NEW intelligent life will cease forming. As such, the ONLY intelligent life that CAN form must occur BEFORE that barrier. Most of it will form around the same time and be the start of the grabby alien civilizations. This means that any intelligent life that exist in the first place MUST be a grabby alien civilization that develops early. If the grabby alien hypothesis is true, the fact we exist at all MUST require our existence to be early or we would not have existed to begin with. Since we DO exist, this must mean that we are by necessity an early civilization, and the likelihood that we are early is actually quite reasonable since it would be impossible for us to exist otherwise. At least thats the general idea behind the theory.
@eragon78 2 роки тому
Btw, to clarify a bit on my point, Im saying that its not weird to be surprised how unlikely it is we are one of the grabby aliens as if the hypothesis is true, any existence of intelligent life would pretty much HAVE to be one of the grabby aliens as otherwise it would have never formed. The unlikely thing was our existence to begin with, not that we are grabby aliens. We already passed the hurdle of existing, and everything else about us is (in theory) standard for what intelligent life would be expected to be. We exist early since all intelligent life would be expected to have occurred early. We are grabby aliens since all intelligent life would be expected to be grabby aliens. Our existence is what is unlikely, not that we are one of the grabby aliens since our existence would necessitate that (if this hypothesis is correct)
@TheShadowBannedBandit 2 роки тому
@@eragon78 Why assume consciousness can be quantified mathematically? See what I did there? No seriously tho, why does intelligent life HAVE to be grabby? Once we become intelligent we gain free will, we begin to develop and "evolve" more on metal pressure than physical. It seems to me it's commonly assumed these steps are confined simply to hardened tasks evolution must overcome.. however why can't steps also be mental tasks we as monke must overcome? Nukes, Grey Matter, AI, generally being too slow to survive the next space rock, etc. We're just as likely if not more likely to drive ourselves to extinction than nature is.
@AnomalyAlter Рік тому
The idea that we humans are amongst the few primordial species to arise in the universe is not frequently considered, though interesting Of those whom believe we are not alone, it's far in a way common to depict our own race as the slowpokes of the stars. I believe the idea that we could be in first place with all our flaws is a scary one to some. More comfort in being able to look up at a race more competent than ourselves, whether that be to our betterment or detriment. Us holding the reigns? Like an unsupervised child swimming in the deep end of a pool.
@Nell_Hell Рік тому
when i was a kid i almost drowned cuz i went on the deep side of the pool and out of panic i learned how to swim upwards, soo maybe that can happend to humanity aswell 🤔
@sofiainescaceres7774 Рік тому
@@Nell_Hell same
@MrMyers758 Рік тому
Not all people who believe we are not alone assume the aliens are more advanced than us. I personally do not believe we are alone, but believe that the vast majority of extraterrestrial life is single celled or “animals” of limited intelligence or physical capacity to construct things. That is after all what we find on our own planet. I won’t deny the possibility of more advanced civilisations or that we are the most advanced, as all the calculations used to do so are so speculative as civilisation and the emergence of consciousness is difficult to quantify. However I do believe that to just assume we are likely the most advanced species in the universe is just as hubris as to believe the universe was created for us. It is possible, but to actually believe it takes an unjustifiable leap of faith.
@youtubestudiosucks978 Рік тому
@@Nell_Hell you're overestimating humans by a big margin. Most humans are stupid
@saunshilu Рік тому
i kinda feels its a biproduct of how people view the species as a whole and how religion has played a role on humans plus a self calculation of the universes age and the relative time humans have been around seeing how actually understanding those large numbers is rather difficult
@viniciusdomenighi6439 Рік тому
I think we have to contemplate the hypothesis that intelligent life at the human level is extremely rare.Suffice it to note that intelligent life like us has not appeared on Earth in billions of years.And even then, it was just a species that emerged and that almost went extinct.
@adampozzobon5193 Рік тому
What's your evidence that humans almost became extinct? Even the largest disasters in history (bubonic plague, etc) never threatened total human eradication
@WombatDave Рік тому
That's one of those 'hard steps' that the video is talking about.
@pryordevine3855 Рік тому
That's one of those things I point to for evidence of a higher being. The odds of us existing are astronomical even in conservative estimates. It's not a definitive bit of proof, but I find it more believable that we're a product of intelligent design than mere happenstance
@ilosada2933 Рік тому
@@pryordevine3855 Nah, that hypothesis would be more probable if humans appeared from nothing, but we didn’t, we have a clear evolutive connection with the other hominids, who also have a clear evolutive connection with ancient apes (modern apes are an entirely separate group from hominids), who also have a clear evolutive connection to mammals, and so on and so on. Not only that but also intelligence isn’t exclusive to the Homo Sapiens, the Homo habilis could already use rock tools, the homo erectus could use fire and Neanderthals could pretty much do anything that we could too. From a genetic viewpoint I find humans being altered and/or created by aliens highly unlikely.
@pryordevine3855 Рік тому
@@ilosada2933 all I'm pointing to is the improbability of this planet being habitable, plus us evolving from what we did to what we are. a crap ton of things have to go right for us to get where we are now. Many more things have to go right than go wrong. I'm not arguing that we were placed here, I'm more arguing from a narrative/writing perspective that there's a (rough) plan and in order to get to the end point, all that other stuff had to happen to act as setup for the payoff.
@TheInfamousOryx 2 роки тому
When your channel blows up and starts making merchandise I want all the grabby alien plushies. Which should be in a week or so. Really enjoying your work. Keep being awesome.
@theflawedmom-craftscrap4595 2 роки тому
I already considered making some...how funny
@Sean-sn9ld 2 роки тому
Yes please!
@happyhappyjames 2 роки тому
send the link please =)
@Neatling 2 роки тому
Fascinating stuff! I rarely find such a gem through UKposts recommendations. You did an incredible job explaining the model in a way your more casual space and science geek can understand.
@rupertgarcia 2 роки тому
Yo, Neatling!
@dr.catherineelizabethhalse1820 2 роки тому
Same!
@ryanpmcguire Рік тому
A better way to put it: you come to a party and without looking to see who is there, you find that the snack table looks completely untouched. Therefore, you must conclude that either you are early or no one decided to come.
@Premo-412 2 місяці тому
I'm going to use this analogy when explaining this topic to people!
@steelrexer1062 Рік тому
It would be very interesting to see younger alien species evolve and grow, going through the same or similar struggles as we did and are currently. Maybe poking them on occasion for a bit of fun and to see their reactions. Making sure their nukes won’t work if the worst happens and someone gets a bit too trigger happy when looking at each other. Then, eventually, welcoming them to the stage and introducing them to the universe and it’s wonders. I hope we have someone like that, looking out for us.
@aldiascholarofthefirstsin1051 Рік тому
If we don't, then maybe our species can be the one looking out for them?
@purple_cat7836 Рік тому
i mean there’s been plenty of reports of unidentified aerial phenomena and happenstances around nuclear power sites so you never know
@APufferfish Рік тому
i feel like if we did discover early intelligent life on another planet some asshole in power would do something to interfere significantly
@aldiascholarofthefirstsin1051 Рік тому
@@APufferfish Despite what people think, i don't believe current humanity would straight up enslave they, politicians of today would see no value on doing that and ruining their reputation. However, that is, unless the aliens are actually alien, like, despite being sentient their culture is so strange that it is incomprehensible to us, in that case, conflict would be inevitable.
@aclaymushroomwithaberet7084 Рік тому
@@aldiascholarofthefirstsin1051 be 👏the👏change👏you👏want👏to👏see
@awesomesauce980 2 роки тому
I'm often confused by why people think we should be communicating with aliens by now. Our earliest transmissions, if they've managed to maintain coherency at all, are only about 80 light years away. We've been discovering hidden tribes on Earth up to the past decade, so who's to say we just haven't been passed over?
@TheKapowz Рік тому
Exactly. Shit man, we've only JUST had our first actual up-close pictures of the planets in our own solar system, yet we're somehow going to have communicated with species developing in the next galaxy over? All we know are theories built from scraps of information. For all we know there's life on the other side of the Milky Way, but they're just as blind and dumb as we are so neither has spotted the other. And yeah, telescopes let us look at distant planets (in very low detail...) but most of our "knowledge" comes from math and cross-referencing what we think should exist because it exists a certain way in our own situation, all the telescopes really let us do is calculate the size (still math...) as well as guess at atmospheric compositions.
@MrDifsh Рік тому
1. Why has no one stumbled on us yet? 2. We have telescopes that can see much farther than 80 lightyears and we haven't found any evidence of life.
@awesomesauce980 Рік тому
@@MrDifsh We're still making advancements in our telescope technology and being able to see the silhouette of a planet or theorize the composition of its atmosphere is not the same thing as being able to see a civilization.
@hughanmilborrow4604 Рік тому
@@MrDifsh But the light we see through telescopes are still millions of years old. What if they’re all right there waving at us, but the ping is just really high
@jacobhoover1654 Рік тому
90% of ocean is unexplored, new civilizations are more likely underwater than in outer space.
@TheEagleFace 2 роки тому
I'm curious as to how much of the "early" factor may actually just be a component of distance. As the further away you look into universe the earlier you are also observing.
@billybigmeat 2 роки тому
@@ME-ru4hv He is talking about how when we see something 1 lightyear away it takes the light 1 lightyear to reach us. So when we see something 1 lightyear away we see it as it was 1 lightyear ago.
@billybigmeat 2 роки тому
@@ME-ru4hv Based on what?
@rokkraljkolesa9317 Рік тому
@@billybigmeat *takes 1 year to reach us
@jorriffhdhtrsegg Рік тому
But a billion ly is quite far? The distance within the galaxy is not significant. A million yrs not that significant and could cover the local group IF we really mean the unlikely event of galactic civilisation. But one thing is obvious: we really just haven't looked at that much and have only a single perspective, effectively a point, to do it from. Call back when SETI covers a significant percentage of possible locations 😆
@graydon78 Рік тому
If all points in space and time are connected then there’s no need to be bound by the speed of light. Einstein…
@anthrat Рік тому
I really like this kind of storytelling. You parsed an academic paper and presented in a way that makes it incredibly accessible and super cool to watch. sub++
@hamsterking8927 Рік тому
criminally underrated channel subscribed!!
@Aesthics 2 роки тому
This channel is going to grow like crazy. Love the content!
@RationalAnimations 2 роки тому
Very cute axolotl. Subscribed.
@SapioiT 2 роки тому
@@RationalAnimations 32.2K subscribers now, but it might get as big as Isaac Arthur in a few short years.
@felipefuentes4811 2 роки тому
Lies
@alexmcphee6789 Рік тому
@@RationalAnimations are you an old woman. Or a pre man? The voice is just throwing me a curve ball
@noambracha2495 Рік тому
@@alexmcphee6789 what voice
@kazehakai 2 роки тому
You see this a lot in 4x games like Civilization. If you start expanding too late all of the good spots will be taken so at best you'll have a disjointed empire with a few ok resources.
@Shane2020xxx Рік тому
I kind of agree, it happens in Stellaris. But Stellaris has charitably 600 solar systems per galaxy, maybe 400 if the player wants late game to work well. The Milky Way has perhaps 100,000,000,000 solar systems. That makes it more like No Man’s Sky with near infinite empty space. It’s feasible to assume spacefaring interstellar civilizations learn to use birth control and don’t ha the urge to mine every resource, burn every hydrocarbon and pave every grassland. Those with that instinct climate change their home planet into unlivability and don’t reach the next solar system.
@Eclipse.7897 Рік тому
German Empire be like
@aldiascholarofthefirstsin1051 Рік тому
@@Shane2020xxx It's just an assumption with zero proof though, and assumption people make too often, people think all the time the aliens might better morality-wise than us but people never think: what if they are worse? We never know, maybe we are doing great right now.
@prestonalexander7847 Рік тому
Loved that this video popped back up in my feed. It was the reason I did a paper on it for my research project for my theoretical statistics class this past spring semester.
@catland88 Рік тому
When I learned about the mechanics of cancer I always thought the statistics seemed similar to the Fermi paradox stuff... It's cool to see someone did proper research on it
@jasonrist6582 2 роки тому
just the fact that a lifeform[us] can even fathom these concepts and quantify them is remarkable in and of itself
@bofa722 Рік тому
Imagine how much more stuff could possibly exist that we might not be able to wrap our heads around... it'd be like an ant trying to comprehend a computer
@Clarkamadorian Рік тому
I always found it interesting how we can’t understand our brain, and there would be no way we COULD because we would have to be dumber to have a simpler brain, thus not understanding THAT brain. Intelligence is wacky.
@legohexman2858 Рік тому
Only because you are a fathoming quantifying being
@shoeofobama6091 Рік тому
@@Clarkamadorian its not that the brain is fundamentally impossible to understand we just dont have the tools and knowledge to. we most likely will at some point. a computer can "imagine" a computer after all
@Clarkamadorian Рік тому
@@shoeofobama6091 oh yeah that makes sense
@empanada65 2 роки тому
My favorite part about this whole thing is the question of, “why are we so early?” Like it’s a question you can find a hard answer to. It’s RNG. That’s like asking, “why wasn’t I born 100 years from now?” Well, the answer is easy. Just because. You were born the day you were born for the same reason your parents happened to cross eyes for the first time, and the same reason the raindrop hit your right cheek and not your left one. It happened because the specific events that allowed it to happen were present. Then the dice were rolled, and you won. Saying we are early is assuming that there is some deadline we totally missed. I also think it’s flawed to think that being early is some kind of special status that is weird to have when it really isn’t. If 100 people were placed in separate rooms with a button placed in front of them and told, “you may press this button whenever you like,” and given the freedom to do so at the exact same time, inevitably, one of those hundred will be the first person to press the button. Sure, you can try to come up with reasons as to why they were first, but they were just as likely to be last as they wer to be first. Their status as “first person to press the button” does not make them special for doing so. They just happened to be the first one by chance. We could very well be of the first 1% of all advanced civilizations that will ever be born in the known universe, but I don’t see what the problem is with that because being in the last 50% instead still implies that there was a first 1%, so if it isn’t us, it’s going to be someone else. Swapping our place with another advanced civilization wouldn’t make us normal. It’d just make us later by relation alone. I think the best way to look at it is to see that there is a high chance we may be of the very first, but know that we could always be wrong.
@markclark8917 2 роки тому
blah blah blah!!!! hey carlos? 1-you are aware the universe is billions of years old right? 2-so other lifeforms had a quantum leap jump start ahead of us. 3-issac asimov said it best "any suff. advanced tech is indistinguishable from magic" 4-mike shermer of skeptic mag said "any suff. advanced alien life, is indistinguishable from god" 5-so a god or gods in relation to us is VERY HIGH PROB!!! 6-if there is a multiverse/other dimensions...then abilities like foreknowledge/time travel/gods/aliens/etc is all VERY PROB!!!!
@user-mk3rw8lf8m 2 роки тому
You're right but i think your perspective is a bit off. There must ofcourse be someone who is the first, or early. But the probability that, if you take a random civilization, that that is the early one is still very low. If you take a random person out of the room then the possibility that they were the first to press the button is only 1%. The same goes for us. The probability that we are early is very small if there are going to be a lot of civilizations, its not impossible, just very unlikely. Thats why this theory is interesting because it makes it more probable.
@rivetace 2 роки тому
The theory doesn't make it any more probable that it happened, it only offers a different calculation of how probable it is. Nothing about reality has changed no matter what theory you believe to be true. That's what I think Carlos was getting at. To use the button pushing example; imagine each contestant is locked in their respective room, and the only way they can leave the room is by pushing the button to unlock the door. Humanity is like a person that pushes the button and walks out the door, and then sees nobody. If all the information we have is that there are 100 people locked in their rooms with the button that unlocks the door and can press it at any time, there's a 1/100 chance that we were the first person to walk out of the room. That theory explains why we don't see any other people, but it's still only a 1/100 chance it happened under that theory. However, the "grabbiness" theory would be akin to a theory that once the first person presses their button, all the other buttons in the vicinity are disabled. This theory also explains why we don't see any other people, but given the theory it'd be near a 1/1 chance it happened. The video was explaining the grabbiness theory, and how under that theory it's much more likely that we wouldn't see any other civilizations. Just like the theory of the first button press disabling all other nearby buttons. I think what the video missed is how this fits within a framework of Bayesian thinking: the idea of taking the given evidence and weighting the probabilities of theories based on that evidence. Humanity pressed the button and walked out to see nobody; that much doesn't change. But given that as your evidence, what then do you decide to be a more likely theory? Put simply, the grabbiness theory doesn't make it more likely that we're early. Rather, our apparent earliness makes it more likely the grabbiness theory is correct.
@yamiyugi2894 2 роки тому
@@markclark8917 1.That was Arthur C clark not issac Asimov who said advanced tech is magic. 2. VERI PROB is not a scientific proof
@Kowzorz 2 роки тому
@@yamiyugi2894 "a scientific proof" Science doesn't "prove" like math does. The only realm science can operate within is "very probably" type spaces. That's the whole point of sigma-surity and repeatable experiments.
@lordpoundcake2317 Рік тому
I really appreciated the Ascian illustration you put in there.
@JB-nz6ew Рік тому
Yo, you sound just like the dude on computerphile who talks about stop buttons on AI. Main reason I'm subbing for now.
@realBeltalowda 2 роки тому
Love the reference to Lahabrea (9:21) and, by extension, the Ascians from FFXIV’s Zodiark dimension who were, in effect, grabby aliens.
@MapoTofu24 2 роки тому
Was about to comment this, though I wasn’t sure if it was actually a reference or just coincidentally similar. BUT since your comment got a heart, I guess it really was a reference. Love it!
@JoeyY7 2 роки тому
Such devastation was their intention.
@davishyral6675 2 роки тому
LAHABREA, WHAT HAVE YOU DONE!?
@slawdawg7148 2 роки тому
Lol I was like is that an ascian?! I had to scroll through comments to make sure I wasn't seeing things!
@junioroverlord 2 роки тому
@@slawdawg7148 A month later and here I am doing the same. Shoutout to all WoL out there!
@acapellascience 2 роки тому
ROB MILES IS THAT YOU???
@RationalAnimations 2 роки тому
IT'S HIM BUT HE'S NOT ME. WE'RE SEPARATE. ONE DAY WE'LL BE ONE.
@acapellascience 2 роки тому
@@RationalAnimations This is a really good channel, friend. Keep going you're gonna see it grow
@RationalAnimations 2 роки тому
@@acapellascience Thanks ,_,
@ThomasPlaysTheGames 2 роки тому
Shucks I felt special for recognizing the voice until I scrolled down here. Well either way I'm glad to hear 'em.
@rexmann1984 2 роки тому
@@RationalAnimations first time watcher. Very impressive. Hope to see more. I'll probably binge watch the channel on my ride to work.
@maud3444 Рік тому
The grabby alien hypothesis isn't one I had heard of before but it sure builds a strong case for us being among the first intelligent beings out there. Great, great video! You've got a new subsciber
@batman4329 Рік тому
Great video! I just subscribed. Looking forward to other videos.
@datastorm75 2 роки тому
So, we're in the empire creation phase of the universal 4x game. Neat! Though, once again the discussion relies somewhat on selective imagination.
@z-beeblebrox 2 роки тому
It's the selective imagination of only ever assuming we're in a 4x game
@magithegreat 2 роки тому
@@z-beeblebrox Ah yes eXpand eXplore and eXterminate all Xenomorphs
@ciguana2mlgprovideo388 2 роки тому
@@magithegreat zeth
@mattmichaeli8727 2 роки тому
Which one of you a-holes checked off pre-warp, Hardcore, PVP, and 'None of My Starting Pops Get Along' mode?
@zaedis5629 2 роки тому
Explain
@ataraxia7439 2 роки тому
I love Robs voice. It’s so calming for someone who I know mostly for talking about dangerous ai risk and easy to hype predictions of the future.
@drewjones1346 Рік тому
just got a subsriber! great video and animations, i love all the different iterations of the dog!!!
@Ms.Divine Рік тому
I'm hooked! Love your work!
@iSchmidty13 2 роки тому
I never knew that I needed furry cosmology but I’m glad I found it
@nakedsquirtle 2 роки тому
Now u ruined ir for me. It's just a cute dog right? 😔
@iSchmidty13 2 роки тому
@@nakedsquirtle cute dog character = furry lol Hell, even Squirtle is by-definition a furry
@Gloomdrake 2 роки тому
@@iSchmidty13 my friend: I hate furries so goddamn much! I'd never associate myself with furries. That same friend: Animal Crossing is a great game.
@Wroar2020s 2 роки тому
@@Gloomdrake camel by camel
@Monkforilla 2 роки тому
@@Gloomdrake yall acting like furry community isn’t a bunch of weirdos and pedophiles and beastiality freaks
@dr_prospector9602 2 роки тому
I wished you had mentioned the unimaginable size of the universe. There may very well be endless Grabby aliens already having formed intergalactic empires, but if the universe is infinite, what are the chances that they are going to be within any visible range for us to detect?
@graydon78 Рік тому
Maybe the secret to survival in the universe isn’t to be loud and detectable but to be invisible and undetectable. If you achieve intergalactic or inter universal travel and can cure any disease and are essentially immortal, why would you need to announce yourself to other lesser or equal to civilizations? Just be invisible and safe and carry one…
@hahaureadmyname Рік тому
@@graydon78 to hang out with some alien bros and play alien video games or get married to an alien gf
@wildsirius4649 Рік тому
@@hahaureadmyname Indeed, that’s what all of this is about
@talltroll7092 Рік тому
The universe isn't infinite, though. If it is infinite in any dimension, then by definition, it contains infinite energy. That's a lot of energy to pull out of your cosmic ass
@alexandervlaescu9901 Рік тому
I find it weird that he didn't mention how grabby aliens could intentionally raise other civilizations/species. Not to mention the definition of life. Can life only exist in the same form of us or could there be something intelligent that has a vastly different make up composition than us. In that situation you have to account for planets that would normally be considered "barren" for us but be especially welcoming for a different life form.
@cacogenicist 8 місяців тому
Why are we early? ... _someone,_ who _just happens to be early_ is going to find themselves wondering why they're so early, assume they're not early because of how improbable that is, or assume they're something fishy going on, some problem to solve -- and then try to infer a bunch of stuff from their apparent earliness. It's entirely possible we're early because we happen to be early. The universe looks exactly as you would expect it to look to a civilization that was very improbably early.
@dongray9852 2 місяці тому
Extremely good presentation. Very much enjoyed it. Feels a little like an early, more benevolent representation of the dark forest...
@ComradeArthur 2 роки тому
There's an assumption that advanced aliens, when they move out into the universe, will only inhabit planets. They could also live inside hollowed out asteroids. Lots more space for population growth that way.
@ictogon Рік тому
Or build their own micro-planets. Or maybe there are extremely heat resistant aliens who live in the atmosphere of stars. Or extremely large aliens who live in the vacuum of space and drift around collecting hydrogen, and they have a natural fusion reactor powering them and creating new elements to grow and reproduce. Or even macro scale organisms that are composed of trillions and trillions of galaxies that think about stars like we do atoms (this one is probably impossible because of hubble expansion but it is fun to think about).
@hownottogames8650 2 роки тому
What if alien civilizations were beginning to colonize galaxies hundreds of thousands of light years away within the last couple thousands of years, and the light from that time hasn’t reached us yet.
@dipanjanghosal1662 Рік тому
I often think about this
@justsomeguythatlikesart Рік тому
@@dipanjanghosal1662 Like watching a video in slow motion. Imagine how a time lapse of the universe would look, like from a photo taken now of the night sky to one taken 1000 or 10,000 years from now.
@travisbewley7084 Рік тому
A Dyson sphere sounds like the worst possible situation in a universe full of other civilizations. Like a big neon sign for all to see letting them know just how dangerous you are and just how little you care that everyone knows it.
@trutwhut6550 Рік тому
Or its the sign of a very old and very large threat because even that Dyson sphere is old old.
@Wombat627 Рік тому
Nah man we using that sun energy to help others frfr 😇😇😇 We will be roleplaying as jesus for y'all as long as you don't have a sphere of your own.
@ligma6992 11 місяців тому
Paints a target on your back as well.
@cortster12 3 місяці тому
Only if others exist. They can't exist if you began first and spread to every possible place they could have. Any alien expanding without contest would come to this conclusion.
@bluegum6438 2 місяці тому
Yeah but you have a Dyson sphere, no one can mess with you anyway
@ggrandmaster420 Рік тому
This gives me so much motivation, thank you
@davidpiepgrass743 2 роки тому
The reverse-time-flow reasoning process here is weird: "the future will have grabby aliens. which explains why we are stuck here in the past"? If the anthropic principle allows the future to force our consciousnesses to live in the past, I will eat my hat. Now, I don't own a hat, but if my hat were conscious, it would (by the anthropic principle) live in a universe where I do own it, and that's where I would eat it.
@andrewandersson 2 роки тому
No it just means that we aren't special, non-grabby aliens like us can only exist in the early stages of the universe. Given that, it is not actually that unlikely that we, a non-grabby alien at the moment, exist early, because that is the only time we could exist. We aren't in the "past", these are just predictions of what will happen in the future. We are in the now. Being able to predict future events is pretty much orthogonal to the other things discussed.
@paulpeterson4216 2 роки тому
You are correct. The notion of reasoning that we must be early because the future is much longer than the past is a tautology. We exist in the first 0.01% of the life of the universe, therefore we are early. It is both true and meaningless. That said, I am very much a proponent of "we are early" because, IMO, there has not been that much time for "advanced" civilizations to evolve. The gas cloud that became the earth and sun formed approximately 1/2 the age of the universe ago. Gas clouds that possessed enough complex elements to form life on a rocky planet had to form from a combination of fairly common nova and supernova events AND much less common hypernova events. The latter, in addition to being very rare, also require much longer, not because of the lifespans of the original stars, but because they had to be far enough apart that the second star was not destroyed by the first one going supernova, but not so far apart that they would not have collided by 7bn years ago. It takes a very long time for two bodies to bleed off enough momentum via gravitational waves to collide. In other words, the clock did not start for the development of "advanced" civilizations until some amount of time passed between the big bang and about 6-7bn years ago when our home dust cloud formed. We took about 6-7bn years from when that formed, and it is unlikely that anyone got more than a couple bn years head start on us. Further, if they did, they may have been working from a less enriched cloud, so may be developing more slowly.
@justynpryce 2 роки тому
@@andrewandersson it doesn't mean we aren't special, it is a hypothesis which only creates the existence of grabby aliens with math specifically designed to incentive early civilizations in order to claim grabby aliens are real. It has the attractive point of grabby aliens mean we're not special so that they can bully you into thinking it's legitimate. Cus clearly, if you don't agree with this hypothesis you must believe humans are special and magical, so you're basically a geocentrist. It can't be legitimate as the reasoning is circular and retroactive. Circular because it makes claims which are unsubstantiated that all support each other, "the universe is young thus we seem early" as well as "grabby aliens exist" which are followed by a retroactive effect of the fact that "it would make sense that we are early because the grabby aliens exist and would have all the planets in the future, so we wouldn't have been able to make our own civilization in the future." Not to mention literally just random math which isn't actually based on anything derivable 🙃 Do advanced alien civilizations exist? Almost certainly. Is this a good argument in favor of that? Absolutely not.
@muninrob 2 роки тому
Wow, way to misconstrue and misrepresent the information in the video.
@nuclearsynapse5319 2 роки тому
The way I see it, it's not that we're early, it's that we're right on time. A few million years later and we may not have developed before some other advanced civilization claimed our planet, stunting our growth. Perhaps causing us to become beasts of burden or livestock of a sort. It's not that the universe is anthropic, but that we literally could not develop outside of this narrow period of time. Consider the other species of hominids and how they were -slaughtered- outcompeted by homo sapiens. Should homo sapiens have finished a hard step a few thousand years later we may have been beaten out by another species of hominid.
@Omenvreer 2 роки тому
Extremely interesting. I can't wait for humanity take up all the good planets in the galaxy and prevent different forms of sapient life from naturally evolving.
@jackdemerritt3475 2 роки тому
We gonna do some nuclear drive bys on them aliens
@brilobox2 2 роки тому
There’s a billion dead rocks out there waiting for us to turn them into gardens.
@miniverse2002 2 роки тому
Potentially. Grabby Aliens certainly looks like a modified version of the Super Predator "Dark Forest" solution to the paradox. It remains to be seen how tolerant a future humanity would be to alien lifeforms.
@neatneet1757 2 роки тому
I think we will be extinct before getting to do any of that
@ruefysh9576 2 роки тому
Naw I'm sure we will just genocide them like in getter robo. Humans will be humans
@bettybunbun9664 Рік тому
A superior theory to me to the clumsy Dyson Sphere idea is the idea that more advanced civilisations will tend to minimize their form factor. Being smaller seems an obvious way to be more energy efficient. Needless to say civilisations that go in this direction would potentially be quite hard to spot. And/or maybe they just go virtual and outgrow the need to physically explore the universe.
@hehexd4557 Рік тому
We are just some dudes car battery lol
@recolinotyu 11 місяців тому
Maybe this is just the virtual experience
@humanperson8418 Рік тому
This has always been my hypothesis to the Fermi Paradox. We have to be alone in the universe because viewable aliens around us would prevent our existence.
@kimpeater1 3 місяці тому
Maybe we just haven't caught their attention ... yet...
@cortster12 3 місяці тому
@@kimpeater1 You didn't watch the video if you think that counters the point.
@kimpeater1 3 місяці тому
@@cortster12 it's pathetically wishful thinking to believe we are the only or the very first. At one point the best minds argued just as logically that the Earth was the center of the universe, but we're not even in the center of the milky way or our own solar system. Humanity has always had a problem with accepting humility but the overwhelming evidence thus far is we are truly and utterly insignificant.
@cortster12 3 місяці тому
@kimpeater1 Wishful? It's logical. It doesn't make sense to me we could exist in a spot another advanced alien race could occupy at once. So either they exist, but aren't here (possible), or they would exist in the future, but won't because WE (or our robots) will occupy where they would have evolved. Which is what would have happened to us if they existed where we are.
@kimpeater1 3 місяці тому
@@cortster12 illogical. If doesn't make sense to you because of ignorance. You simply don't know what you don't know. The OBSERVABLE universe is all you have to make any "logical" inference. However, the actual universe is arguably infinite. Humanity simply hasn't been around long enough, nor observed the night sky well enough to make any conclusion about anything regarding the cosmos. So your "logic" is still only conjecture and wishful thinking. At the very least we should fully explore the milky way before making any generalizations. Humanity hasn't even fully explored their own insignificant solar system.
@mrgaudy1954 2 роки тому
I think it’s important to remember that this is more of a thought experiment than a substantive theory. Much like Roko’s Basilisk it makes numerous large and often illogical assumptions in order to operate.
@deanvalentine8006 Рік тому
Kinda annoying to say that and not say what you in particular think is the large and illogical assumption
@drakkonis1 Рік тому
Agreed. Like Drake's equation, it's mostly assumptions with a glaringly obvious flaw. If we are early, wouldn't the grabby aliens be even earlier, necessitating even earlier aliens to account for them, and so on? As a Christian, I know what accounts for our existence, but even if I were not, it's obvious that some species had to be first. Why do we assume that it isn't us?
@purplespectre Рік тому
@@drakkonis1 We could be the first, but that's a lonely thought.
@deanvalentine8006 Рік тому
@@hungrycrab3297 it's not about being "wise"; conquering the galaxy is a preference. If you have an open ended goal to do as much ${x} as possible not conquering the galaxy becomes a huge waste.
@filipebeat Рік тому
!!
@henrilemoine3953 2 роки тому
Great video as always! Great voice-over by our favorite AI safety advocate, great animations, and great script!
@arbiterelegantiarum Рік тому
love your work!
@altair91100 Рік тому
i love your soft voice, it is very soothing
@Fragems69 2 роки тому
Honestly i've never done patreon for any content creators but you guys definitely deserve it.
@apollo6326 Рік тому
This is a really cool video, you are very good at explaining things and the animations are great also. Looking at interesting papers and doing explanations on them would be a good model for future videos too if you’re looking for ideas. Keep up the good work!
@kony2023 Рік тому
I really like your video! I do find your voice a little hard to hear sometimes though. The mix may need to be tweaked, or use a different mic. Very good though thanks!
@jimmcneal5292 Рік тому
Finally someone wrote an article about a concept I've been telling people for like 6 years or something.
@zephyr546 2 роки тому
Suprising to see such high quality content from a channel with less than 10k subs, keep up the good work!
@piratedgenes 2 роки тому
Just stumbled upon this video and discovered a great channel. Really liked the presentation style and the way you explained it. Hope your channel gets big and with quality content. Kudos!
@santiagoarrieta2175 Рік тому
Harrd step are a equivalent to filters in Fermy, the main difference it's that Fermy propose that some of these filters/hards step can destroy all progress in a massive extinsion and became the end of the civilization while Grabby afirm this barrier it's eventually overcomed. Both theories seek answer the same question "why we don't findalien life sing,already?" but reach a completely different outcome based in a small difference of perspective in their basics.
@error-eb3mc 9 місяців тому
i'm 15 and hope to be an astrobiologist someday! this is an awesome, well thought through theory that has some serious merit and implications. i hope humanity lives long enough to grab some of the stars out there- maybe i'll even be around to see it. thank you robin hanson for being your genius self and massive props to the rational animations team for this awesome, high quality video! also hi robert miles oh and the song in the background is 'dreams become real' by kevin mcleod. great music :)
@KilepsYT 2 роки тому
This channel is so, SO underrated, this video was awesome! I was really debating a lot of similar stuff with a friend recently, and this video, with the help of the published paper, helped put into perspective some of ideas that we thought about, but also a lot of ideas and theories about things we didn't think about. It really was a pleasant watch and I can't but hope you will post many more interesting and high-quality videos like this one in the future!
@nottieru Рік тому
I love the optimistic view on solar sails, harvesting stars and technology in general.
@saftheartist6137 Рік тому
👏 Thank you, I agree this is a interesting possibility to keep in mind, even if it would be logically hard to prove.
@hindigente 2 роки тому
The hardest hypothesis to believe in is the existence of such "grabby aliens" themselves. It is hard to believe that species would remain "constant/uniform" across distances as large as in the model. I find it much more likely that solar systems would be colonized one at a time. Now as for self-replicating robots, that's a whole other story.
@SahasaV 2 роки тому
If any portion is grabby then it will seem like the whole species is grabby. If one portion decides to stop expanding, then the other portions will still take over and expand into where that first portion would have expanded into.
@elizabethjones9581 2 роки тому
@@SahasaV are we sure about that? If someone gets too grabby and everyone else stops them, why do we assume that everyone will be as grabby as the first guy?
@SahasaV 2 роки тому
@@elizabethjones9581 Did anyone stop us? Everyone doesn't need to be grabby, only one civilization needs to be grabby for it to out grow everyone else. Then if some parts of that civilization decide not to be grabby anymore. the grabby parts will outgrow those too.
@elizabethjones9581 2 роки тому
@@SahasaV what if the grabby parts overconsume and starve? That's what happens to cancer, and it's happening to us, the grabby society this idea is based off of
@SahasaV 2 роки тому
@@elizabethjones9581 then it'll just be forced to never stop being grabby.
@guesswho2232 2 роки тому
This is a very complex topic and you explained it exceptionally well. Bravo!
@waleedkhalid7486 Рік тому
This was facinating. It is interesting to think that we are just so early that there aren’t any other civs out there, or if there are then they are at similar levels of development (so similarly early).
@adfaklsdjf Рік тому
I don't understand what the evidence is that life/civilization would be common enough that they could reasonably expect to see each other at all ever. We don't have to be alone in the universe or early for advanced civilizations to never see each other, and our existence isn't evidence that life is common. That life arose so early in our planet's geology suggests that it will arise readily on a suitable planet, but we don't have any sense of how common suitable planets are except that they don't appear common. Every other world in our solar system looks highly unsuitable, and we can produce a lengthy list of attributes about our world that make it especially suitable.
@Vakavadim Рік тому
Great vid. Thank you 🙏
@Altune- 2 роки тому
"We developed very early in the galactic timescale, and this is very unlikely. The most likely explanation is that an advanced species influenced our development." But, doesn't that make them even more early, and therefore, even more unlikely? I think it's more likely that we are a weird statistical anomaly, spawned purely of the law of large numbers, rather than the likely result of an even more unlikely civilisation.
@Youngnrrwhtjwtjetk 2 роки тому
Considering we have no way of knowing how accurate this model is, we cannot say either one is more likely
@themekahippie991 Рік тому
The argument doesn't imply aliens influenced our development.
@JamesJohnson-iq5wb Рік тому
@@Youngnrrwhtjwtjetk We have a fairly good way of knowing because we can look outside and see there are no alien megacities on the moon
@MrNikeNicke Рік тому
Nothing in this video implies an advanced species influenced our development, where did you get that from?
@JamesJohnson-iq5wb Рік тому
@@MrNikeNicke What I'm saying is if you watched the video then it would make sense that alien influence would become very very quickly obvious due to how rapidly they spread. This would probably mean that they'd have either colonized most surrounding systems with obvious waste heat signatures and other things or have colonized our own solar system. Why would aliens colonize the galaxy and just happen to skip out on our bubble? If there are grabby aliens they would've colonized our entire galaxy including the moon. I could, although, see earth being left as a nature preserve just due to the sheer quantity of planets. I also don't see any reason they'd hide themselves from us (which would be very hard because of waste heat.) Anyways point I was trying to make was there is no sign of alien influence in our neighborhood, I gave a bit of an extreme (or perhaps not so much depending on alien behaviors) example of alien megacities on the moon.
@josiah42 2 роки тому
Isaac Arthur has a whole channel where he discusses the Fermi Paradox at great length. There are an uncountable number of planets that preexisted Earth where life had an opportunity to evolve. If it was going to happen it would have happened billions of years ago, and be visible as an entire altered galaxy of Dyson spheres.
@tobyvision 2 роки тому
This strains my credibility. We have just barely observed other planets. And we can really only call a few Earth-like based on a tiny amount of data on their star, orbit, and apparent mass. Our theories certainly suggest that planets that could support evolution are many, but I think we are a very long way from observing them yet.
@nmh1120 Рік тому
I agree 100%. If intelligent life was even SOMEWHAT common (1 in every 100 million planets), we would have noticed by now
@20ZZ20 Рік тому
The early universe might have been pretty uninhabitable due to much more frequent supernova and generally being more dynamic
@MCArt25 Рік тому
Assuming that all life everywhere in the universe develops in exactly the same pattern as on Earth.
@kallikrose Рік тому
There's a book that has Grabby aliens -The Qu, all tommorows by C. M. Kosemen. Great video!
@tylerparker-rollins2642 Рік тому
This is nuts, did not expect to wake up today and find that someone might have solved the damn fermi paradox--or that the answer would be so seemingly obvious
@esuelle 2 роки тому
Huh, just saw the video on reddit and I got very surprised when I heard Robert Miles narrating it. Really high quality stuff, and I loved the animations. I'll be looking at the other videos on the channel!
@KoneSkirata 2 роки тому
Just here to say that your videos hit the sweet-spot for me right inbetween entertainingly-simplistic such as Kurzgesagt and plainly-informative such as PBS Space Time. I'm gonna subscribe to you after only watching this one video (which usually doesn't happen for me).
@GetRichOrDieUploading Рік тому
as i started listening deeper, i started to cry. some things about all of this are nothing short of miraculous
@JoseluisHernandez-hi5wd Рік тому
holy shit this is one amazing channel. Im suscribed
@terrifictomm 2 роки тому
"Just grant us one miracle and we can explain everything else."
@Swordfish42 2 роки тому
Omg, Insta sub. That material was great, and animation satisfying. Please give us MOAR
@caseypayne5138 Рік тому
This is a way better idea than the Fermi Paradox since it actually makes sense. It's a really cool hypothesis and it makes a lot of sense. Whether or not it's true, it's a lot more plausible than the "whelp, I looked outside and saw nothing but sun and blue skies for 30 seconds, looks like rain doesn't exist at all" logic of Fermi.
@jonbaca7124 Рік тому
Bro I’m only half way watching this, and I have to say, this is a great video.
@AlxM96 2 роки тому
I could recognize Robert Miles' voice instantly! Say what you want but the guy has such a calm tone and perfectly moderate pace, he makes every video he narrates super easy to follow (can't wait for his next AI videos too). Together with the unique and high quality animation, this video is a masterpiece. I am disappointed I only now came across this channel, subscribed!
@orbismworldbuilding8428 2 роки тому
First off, amazing video and writing. I also love the animations. Secondly, this actually plays into a solution of yhe Fermi paradox called "The Firstborn"
@FFA-fg2bl 7 місяців тому
If the entire video would be summed up in one word, it would be: Stellaris
@lerk. Рік тому
Funny to think that some human outpost on some geologically dead (and low impact risk) planet/asteroid might be viewed as "one of the temples of the elders" someday in the (far) future.
@WylliamJudd 2 роки тому
When discussing Fermi's Paradox and its related ideas, no one ever seems to consider the possibility that significant and visible changes are not possible. Indeed, the very existence of the Fermi Paradox seems to be extremely strong evidence that things like Dyson spheres are actually impossible. This idea about the likelihood of developing advanced civilization so early is interesting, but it can really be simplified: Given the current apparent age of the universe, 13.8 billion years, why does it appear that the universe will continue to exist for so much longer than its current age. We don't need hard steps or planet lifetimes, just the observation of the age of the universe compared to our models for how long stars and planets last (many times the current age of the universe). Grabby Aliens seem like a terrible solution. My view is that most habitable planets are inhabited, and that a significant number have civilizations on them, just not much more advanced than our own, because interstellar travel is harder than people think, and because visible changes to solar systems are completely technologically impossible for everyone everywhere.
@tobyvision 2 роки тому
The entire idea that a civilization could reach the heights necessary to attempt interstellar colonization and still be driven by any traits derived from their evolution strikes me as wildly unlikely. Also, they always take the paradox as a given. It isn't. We are practically blind in terms of our ability to observe another intelligent species. If FTL travel is impossible, and we believe more and more every day that it is, then the odds are overwhelmingly high that we just haven't been observing long enough or wide enough.
@WylliamJudd 2 роки тому
@@tobyvision Yeah, exactly that last part. The "paradox" is just very strong evidence that FTL travel as well as phenomena that's easy to observe from lightyears away like Dyson Spheres, are actually not just impractical, but actually impossible, in the latter case given real limitations like the age and matter density of the universe.
@tobyvision 2 роки тому
@@WylliamJudd for all we know, a Dyson construct might be possible, but completely unnecessary for a species capable of building one. Humanity is just about to the point of being able to adapt ourselves to our environment instead of the other way around, but we are certainly millennia away from being able to build anything on that scale.
@WylliamJudd 2 роки тому
@@tobyvision we seem to have evidence that it is not possible, or at least close enough to impossible to not be surprising that it never happened given the age of the universe. As long as we're talking about a Dyson construct that should be easily detectible from Earth given our technology and how long we've been looking. Behavioral arguments are hard to swallow, since in the vastness of space and time, it seems unlikely that no civilization would *ever* do a certain thing. It makes much more sense to me to conclude that certain feats are actually physically out of reach even if the most advanced possible civilization put all of their efforts into some random endeavor.
@tobyvision 2 роки тому
@@WylliamJudd I think you are right. In either your case or mine, both of which could apply, there is no reason to believe the paradox even holds.
@parakram7689 2 роки тому
cute doggo! much rational!
@SuperADI2 Рік тому
You are very smart, I love what you are creating 👍👍👍👍
@fiddleriddlediddlediddle Рік тому
My favorite answer to the Fermi Paradox is when Jerma is flying through uncountably many stars in Universe Sandbox and says "I wonder why we can't find anyone."
@c.s.hayden3022 Рік тому
That’s compelling enough. It is optimistic to view ourselves as arriving early, as if we could act as a model for later civilizations. It’s always constructive to assume a leadership role. The scale of thinking is so huge and it’s hard to know exactly what impact we could have on that future, if any.
@adfaklsdjf Рік тому
I'm struggling with the observation/conclusion that we appear "early".. it seems to rest on other assumptions, like that life and advanced civilization would arise often enough that advanced civilizations could expect to actually see each other... I don't think that's a safe assumption..
@lulnara5128 Рік тому
@@adfaklsdjf It’s indeed not an safe assumption because that’s not the point, the true safe assumption is that every advanced civilization would be “grabby” and have intentions to expand, therefore eventually meeting other advanced civilizations, in this case, life being common or not doesn’t matter at all.
@Alhoshka 2 роки тому
I had completely missed Hanson et al. paper, this was such a nice surprise. In my experience, YT channels such as yours become better and better with time. I can't wait to see where this channel will go. It has the potential to rival legends like CGP Grey, Exurb1a, and 3blue1brown.
@hedgehuug1603 Рік тому
Very well made really enjoyable
@CarlosAM1 2 роки тому
Other things to consider are the great filters you mentioned before. Humanity being as "grabby" as it is might (and already kinda is) result in a backfire where we start depleting resources and expanding way faster than our host planet can handle, eventually leading to a war on resources which escalates into a nuclear apocalypse, another possibility is a carington-like event happening every few often that pretty much presses a reset button on a civilization's technology, theres also how hard interstellar travel is, the creation of a superweapon or technology that leads to the total destruction of a species, so on. Maybe actual advanced grabby civilizations that succeed are extremely rare, so rare that the nearest one is multiple galaxies away. As for solar sails while they are useful they kinda require either a massive laser or being extremely close to a star for propulsion, they could maybe be used partially but I feel that fusion/antimatter technology will also be a big thing when it comes interstellar travel.
@nickolayyegorov4755 2 роки тому
I m kinda sceptical about laser-biased accelerarion cause we don't have material able to sustain such stream of energy in a limited timeframe. Everything will vaporize
@nickolayyegorov4755 2 роки тому
Why not to accelerate a probe with mass driver? We can build say 1 GW solar power plant on orbit, plug in magnet accelerator and shoot probes in all directions. They will then open solar sails and use distant star light to decelerate and park in a foreign system
@CarlosAM1 2 роки тому
@@nickolayyegorov4755 A mass driver sounds fun I guess, though for interstellar travel you would need a mass driver so big that it might as well be easier to make a generation ship. You need to accelerate to at least something like 1%C, you are probably better off with a few fusion or antimatter torchships or hell even a u235 nswr. Solar sails sound interesting for decelerating tho. (also recoil lol, if you accelerate stuff in orbit so insanely fast you are gonna have to move that thing so it doesnt deorbit itself over time, not to mention the ammount of solar power you need is also insane. Let's wait till fusion or really advanced fission drives come along and then we can start going interstellar shall we?)
@karnewarrior 2 роки тому
I mean, any speculation about future technology runs into a serious roadblock, or set of roadblocks: That we can't predict the next Revolutionary Innovation. To a scientist prior to Agriculture the idea of a tribe of tens of thousands of people settling down in one area and not immediately starving to death would have required a land of incredibly implausible fertility. To a scientist prior to Industrialization the idea of one brand of clothing being so uniformly, cheaply, and easily replicated and shipped worldwide as to be worn by commoners in Europe and Indonesia and America alike would've required a literal deity of sewing and the intervention of several deities of the sea, just to produce and ship. To a scientist prior to Flight the idea of humans flying seemed totally unreachable, a pipedream for the philosophers with more optimism than practicality. It makes it very difficult to predict future technology, because a lot of the time these Revolutions aren't born of the typical plodding forward that fills out behind them and is propagated by everyone with a doctorate - they're crazy, unpredictable leaps forward by total madmen who happen to reach for the stars and snag one. We can't entirely depend on interstellar travel being impractical. For all we know, the next revolution is mathematical, and the redefinition of space-time under this new mathematical paradigm allows us to use exceptionally low amounts of energy to warp space-time directly and permanently. Suddenly we can brute-force an event horizon, generate artificial gravity, and use alcubierre drives to zip from system to system in half a minute. I think this is the real killer for the Great Filter hypothesis. I'm sure some species do indeed off themselves early on - but by the same token, many won't. And with the unpredictability of innovation, I don't think it's smart to discount anything for being "inefficient". It's probably not even smart to discount the impossible, but that at least is more forgiving. The inefficient regularly becomes the efficient, historically, and I expect to see that trend continue into the future.
@Jake-xe1wu 2 роки тому
We already have the tech to reach 10% the speed of light we just have treaties to not use it or develop it. Project orion. Just drop a nuke every so often behind a shield and ride the wave. Shielding on the forward side against impacts is what becomes difficult then. Large amounts of ice would likely be the cheapest and easiest to use. I still have faith we will crack the alcubiere warp drive and none of those things will matter.
@feynstein1004 2 роки тому
I mean, given how humans act, I'm not surprised we're basically saying "First!" on a galactic level
@RayRaeTV Рік тому
Using SecureTeams stock audio is always awesome
@GiI11 Рік тому
Amazing job, guys!
@AxeMan808 2 роки тому
I love finding out about new theory then hopping around trying to find various explanations so I can "get it" and fit it into my worldview as an option. Well you didn't make me hop around; you just explained it concisely here and now. ON TO THE NEXT VIDEO!
@aldiascholarofthefirstsin1051 Рік тому
Humanity
@Winkle544 2 роки тому
I'm blown away by the quality of the writing and the animation. It's hard to sounds sincere within UKposts comments, but I'm very thankful for your work and have no doubt you'll continue to grow. I hope the channel, and humanity as whole continues to be grabby!
@AzuriumOfficial Рік тому
The alien doggo is a sight to behold. I want one nodding at me as we discuss these deep topics.
@filipblaze20 Рік тому
Great video guys 👍😊
@germanpenn 2 роки тому
The way the argument is explained mistakes probability with causation. That grabby aliens displace non-grabby species makes our early existence probable, but does not explain why we are early. We could be in region next to a grabby neighbor that they hadn’t yet explored due to limited interstellar travel speeds. They could invade us in, say, 100 years. And we would still be early today.
@driveasandwich6734 2 роки тому
Why should there be an explanation for the causation?
@_Muzolf 2 роки тому
This is about geological timelines, millions of years. The fact that our planet was not colonized long before humanity even emerged as a species, makes the existence of expansionist neighbors really improbable. The earth is what, 4 and a half billion years old? And for most of that time, it did not have a technological civilization, so one emerging just at the time for them to reach us in the next 100 years would be about as plausible as one person winning the lottery every day of their life.
@germanpenn 2 роки тому
@@driveasandwich6734 because the title of the video is: "the reason is grabby aliens"
@germanpenn 2 роки тому
@@_Muzolf I agree up to a point. For your argument to be true we would need to know for certain that life does not need 4 billion years to evolve a sentient species. We are not sure if we could physically have evolved earlier than we did. But yes, you have a point there for sure
@_Muzolf 2 роки тому
@@germanpenn Oh nonono, there is a misunderstanding here. I am not going with the assumption that it does necessarily needs 4 billion years. I am certain it could emerge earlier or later depending on the circumstances of a planet, but the point is that these things work on geological timelines. 100 years is nothing compared to the age of the planet and even the age of life here. So i would assert that it is really unlikely that two technological civilization would emerge close to eachother at the same time. Since we are not seeing dyson swarms all over the nearby stars, i would assume that either we are early in our neigborhood, or that if someone is around, they are much older then us, and for some reason were not interested in expanding around here.
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