[HN Gopher] Harvard Professor on Quest for Possible Alien Tech C...
       ___________________________________________________________________
        
       Harvard Professor on Quest for Possible Alien Tech Crashed in the
       Pacific Ocean
        
       Author : metadat
       Score  : 130 points
       Date   : 2022-08-12 20:33 UTC (2 hours ago)
        
 (HTM) web link (www.nbcboston.com)
 (TXT) w3m dump (www.nbcboston.com)
        
       | NotYourLawyer wrote:
       | The title is a little silly. It's from outside our solar system,
       | but there's zero evidence suggesting it's technological or made
       | by aliens. It's just a meteor that was going really fast, and it
       | was made of something that was sturdy enough not to break up too
       | much.
        
         | ALittleLight wrote:
         | I would think that, if other people agree with his analysis and
         | this does seem extra-solar, and we have a reasonable guess as
         | to where it might have landed, a couple million would be a
         | small price to check out an extra-solar object.
        
         | KMnO4 wrote:
         | Alien doesn't mean "alien life form". It means "not from here".
        
           | dorkwood wrote:
           | What about tech? Can tech arise organically?
        
       | xqcgrek2 wrote:
       | It's Avi Loeb. He's basically considered a crackpot in
       | physics/astronomy.
        
       | numair wrote:
       | Aren't there Chinese navy vessels running around that patch of
       | the South Pacific?
       | 
       | https://en.m.wikipedia.org/wiki/Project_Azorian
       | 
       | I have a feeling the professor will be able to raise the funds he
       | needs for his expedition.
        
       | drewg123 wrote:
       | English is so ambiguous that the title made me think that the
       | professor himself had crashed into the ocean. Saying "Alien Tech
       | That Crashed in.." would clear things up, but I guess it would be
       | too long?
        
       | ChrisMarshallNY wrote:
       | Maybe it's like that TV series, _Debris_?
       | 
       | https://en.wikipedia.org/wiki/Debris_(TV_series)
        
       | balentio wrote:
        
       | yuan43 wrote:
       | Reconstructing what the article appears to be saying:
       | 
       | 1. a catalog of government sensor data on meteorite strikes was
       | discovered
       | 
       | 2. based on the data, those strikes that could have originate
       | outside of the solar system were gathered
       | 
       | 3. one hit in particular appears to be harder than iron based on
       | its speed and loss
       | 
       | Then:
       | 
       | > Despite the government releasing limited data due to national
       | security concerns - he had discovered something groundbreaking. A
       | paper he wrote with his student laid out what he believed to be
       | true. But three years after writing his findings, a major
       | development confirmed what he knew all along.
       | 
       | Great, let's find that paper and see what's up. Wait, where's the
       | link? No matter, just tell me the journal and I'll find it. Nope.
       | Ah, that's right, this is the popular media where such things
       | simply aren't done.
        
         | linkdink wrote:
         | To be fair, if you're not going to Google it, you're probably
         | more of a popular media reader anyway. There are no pictures in
         | the paper to look at.
         | 
         | https://arxiv.org/abs/1904.07224
        
         | worldvoyageur wrote:
         | https://ui.adsabs.harvard.edu/abs/2019arXiv190407224S/abstra...
         | 
         | The payload:
         | 
         | " Based on the CNEOS catalog of bolide events, we identify the
         | ~0.45m meteor detected at 2014-01-08 17:05:34 UTC as
         | originating from an unbound hyperbolic orbit with 99.999\%
         | confidence. The U.S. Department of Defense has since verified
         | that "the velocity estimate reported to NASA is sufficiently
         | accurate to indicate an interstellar trajectory... Its high LSR
         | speed implies a possible origin from the deep interior of a
         | planetary system or a star in the thick disk of the Milky Way
         | galaxy." "
        
           | wonderwonder wrote:
           | hmm, that is a very little meteor. Good luck to the guy would
           | be awesome if he found it but thats going to be tough.
        
       | seydor wrote:
       | poor professor
        
       | supernova87a wrote:
       | I will just say that in the astronomy faculty community, although
       | Avi Loeb is the head of the Harvard astro department, his
       | "research" has garnered him questionable and often head-shaking
       | disapproval and a decrease in respect from colleagues. Some,
       | bordering on many, think that he's just out to grab headlines and
       | has become a bad joke at this point (past examples: solar system
       | interlopers as "UFOs", etc).
       | 
       | Maybe Avi says that he worked his way to this position to be able
       | to tackle interesting and off-the-path subjects, but somehow his
       | work doesn't feel like it has the same integrity as expected from
       | the chair of a leading institution. Or maybe that he goes to tv
       | news channels preferentially over arxiv publishing. And maybe
       | it's just something that happens to professors with age (like
       | one's parents) -- they start going down the weird ideas rabbit
       | hole.
        
         | mensetmanusman wrote:
         | Head shaking can result in, or, be a symptom of group-think.
         | It's important for scientists to realize the importance of
         | public relations due to funding.
         | 
         | If the public is interested in the origin of life,
         | contemplating aliens or distant stars seem about as
         | interesting, especially in regards to the Fermi paradox.
        
         | gloriousduke wrote:
         | > maybe that he goes to tv news channels preferentially over
         | arxiv publishing
         | 
         | https://arxiv.org/abs/2110.15213
        
           | xqcgrek2 wrote:
           | 4 citations, 3 of which are self-citations. Entirely
           | inconsequential.
        
         | selimthegrim wrote:
         | He was giving a Zoom talk this week at a local po'boy shop in
         | New Orleans and free copies of his book were being distributed.
         | There didn't seem to be much push back from starstruck fans.
        
         | 762236 wrote:
         | I'm really happy that Avi Loeb exists, and that he ignores shit
         | like what you've just written.
        
         | RajT88 wrote:
         | I think he was trying to get at that, the head shaking from his
         | peers when he wrote:
         | 
         | > Today he would have been canceled on social media.
         | 
         | Avi Loeb has definitely not spent a whole lot of time on Social
         | Media!
        
         | protastus wrote:
         | I think Avi Loeb is legitimately excited about this topic. He's
         | also aware that the public is tremendously excited and inspired
         | about the possibility of UFOs, alien flybys of the solar
         | system, etc.
         | 
         | I think he's achieved professional recognition, paid his dues
         | playing the game of academia (very successfully), and is now
         | pursuing things that he finds most exciting. The man has co-
         | authored a thousand papers, literally, so I doubt he'd get much
         | marginal excitement from hypothetical paper #1001, i.e.,
         | another instance of fitting a curve through noisy data to build
         | support for an obscure model that very few researchers care
         | about.
         | 
         | He has also pointed out that it's an invitation to ridicule in
         | academic circles to talk openly about UFOs. He doesn't care
         | though (why would he?), and that for sure is triggering folks
         | who take themselves very seriously.
        
           | Seanambers wrote:
           | As the poster on the wall of my friends boyhood room said and
           | of course inspired by - Mulders Office ; I want to believe.
           | 
           | I think it is great that some professionals actually do this,
           | if everyone's a cynic it would just be sad.
        
           | Voloskaya wrote:
           | > That for sure is triggering folks who take themselves very
           | seriously.
           | 
           | I don't think anyone in the field is triggered by some guy
           | pursuing his interest in aliens and UFO.
           | 
           | What they get triggered about, is that guy using his
           | relatively large platform to say that anyone not agreeing
           | with him is part of the establishment or otherwise useless,
           | or to say that there is no other possible explanation to a
           | certain phenomenon than aliens, or to be insulting to another
           | colleague during an online talk.
        
         | mr_gibbins wrote:
         | Good for him. What a way to lead a life, searching for alien
         | tech at the bottom of the Pacific. I'd swap the grind for that
         | any day. Let the other professors shake their heads and stir
         | their Earl Grey in the cramped faculty staffroom, I know who
         | I'd rather be.
        
       | endofreach wrote:
       | Uh, i already felt like star wars is slowly starting for real. I
       | am not into (pop) sci-fi movies, but i'm up for some sci-no.
        
       | barbarr wrote:
       | Can the title be revised to something like "Harvard Professor on
       | Quest for Possible Alien Tech that Crashed in the Pacific Ocean"?
       | Current phrasing makes it seem like the professor crashed into
       | the ocean.
        
         | BirAdam wrote:
         | well, to be an asshole:
         | 
         | The usage of "that" as opposed to "who" is the key there in
         | English taught before the 2000s. Now of course, the usage of
         | the pronoun who is dead, and that is used everywhere because
         | people are objects in English now.
        
         | jihadjihad wrote:
         | Yeah the dangling modifier is definitely making it hard not to
         | think that the guy himself crashed...
        
         | AlbertCory wrote:
         | The actual article's title was "Harvard Professor Believes
         | Alien Tech Could Have Crashed Into Pacific Ocean" which is more
         | clear.
         | 
         | Although to make it less woo-woo flying saucer-ish, I might
         | have said:
         | 
         | "Harvard Professor Believes Meteor That Crashed Into Ocean Was
         | Alien Metal"
        
         | tacker2000 wrote:
         | I also thought that the professor crashed into the pacific
         | because he was on a quest for alien tech.
        
           | texasbigdata wrote:
           | +1. That prof must have been going super fast!!!!
        
             | ghostbrainalpha wrote:
             | He was killed by the government for looking into UFO's.
             | 
             | Nothing will convince me this isn't true, and NO, I will
             | not read the article before commenting.
        
           | lawgimenez wrote:
           | Good to know the professor didn't crashed into the ocean
           | looking for alien tech.
        
         | dylan604 wrote:
         | That's how I understood the title.
        
       | [deleted]
        
       | sethjr5rtfgh wrote:
        
       | gurumeditations wrote:
       | Seems to have nothing to do with aliens and the article is in
       | such broken English it's almost incomprehensible.
        
         | jkqwzsoo wrote:
         | The "article" is a transcript of sections of the video.
         | Removing the culture war bit about Galileo being cancelled, we
         | have:
         | 
         | "It's not a philosophical question whether we live in an
         | environment where objects are floating around that are
         | representing extraterrestrial technologies. We just need to use
         | our telescopes and find out. [...] Once I realized that we
         | found an object from a technological origin that was produced
         | elsewhere, I would not seek approval from anyone else. I don't
         | need likes on twitter. I just want to know what it is."
         | 
         | He doesn't seem to be saying "it's aliens", but rather "If it's
         | aliens, I want to know -- it's not a matter of faith, if we
         | find evidence of it, it'll be true". His use of "Once I
         | realized" is confusing, but I believe he's speaking in the
         | hypothetical that aliens are confirmed.
         | 
         | There is, of course, a massive leap from "an object from
         | outside the solar system hit Earth and was very strong" to
         | "because this object was very strong it might have been made by
         | aliens". I also don't see any reason why the fragments they're
         | looking for should be magnetic.
        
       | Zigurd wrote:
       | Finding an interstellar object is spectacular enough. Why
       | overhype it?
        
       | pavel_lishin wrote:
       | > _" We're planning to board the ship and build a sled and a
       | magnet attached to it that will scoop the ocean floor. And we
       | will go back and forth, like mowing the lawns across the region,
       | 10 kilometers in size and collect with the magnets, all the
       | fragments that are attracted to it, and then brush them off and
       | study their composition in the laboratory."_
       | 
       | Wouldn't this only work for iron fragments of a meteor? If the
       | theory is that it's made of something else, then I don't think
       | this would be helpful.
        
         | themanmaran wrote:
         | It's possible that it's an iron alloy. Which can be stronger
         | than iron, and also magnetic.
         | 
         | But in regards to feasibility of such a project, I feel that
         | 10km range is a major understatement. Think of the effort it
         | took to find fragments of Malaysia Flight 370, even with a
         | pretty narrow path. And that search was the most expensive
         | search operation in history at $155MM [1].
         | 
         | [1]https://en.wikipedia.org/wiki/Malaysia_Airlines_Flight_370#:
         | ....
        
           | Kon-Peki wrote:
           | > Using data from government censors primarily used for
           | national security as part of our missile defense system
           | 
           | If it got past the government censors it has to be super pure
           | and clean. So not an alloy; it must be previously unimagined
           | material!
        
           | AlbertCory wrote:
           | This gave me a moment of panic: did I miss some big story?
           | 
           | But no: I already knew about the pieces of debris.
        
       | conanite wrote:
       | > Using data from government censors
       | 
       | Should be "sensors" (used correctly a few sentences later). Is
       | this a text-to-speech thing, or written by a non-native speaker,
       | or just appalling editing?
       | 
       | > Once I realized that we found an object from a technological
       | origin that was produced elsewhere.
       | 
       | Difficulty to having parse.
        
       | rgrieselhuber wrote:
       | If aliens are advanced enough to come all the way here and hide
       | pretty how are they not advanced enough to not crash all the
       | time?
        
         | tiborsaas wrote:
         | Maybe they are suffering from floating point math too and
         | rounding errors added up :D
        
         | exitb wrote:
         | This is more like a remote, uncontacted tribe "discovering"
         | other civilizations via trash that washes up on their shore.
         | Given enough scale, this wouldn't be an unlikely event. Who
         | knows, maybe the universe is littered with bits and pieces of
         | ancient Dyson spheres.
        
         | MichaelCollins wrote:
         | Derelict spacecraft?
         | 
         | I don't believe it, the odds against it are astronomical, but
         | derelict spacecraft are a popular sci-fi trope.
        
           | sammalloy wrote:
           | Also, we've crashed numerous probes at the end of their
           | lifecycle into many of the objects in our own Solar System.
           | If an interstellar probe from a civilization like our own
           | completed its mission, would it also be programmed to self-
           | destruct itself in a similar manner? I think it's a highly
           | unlikely series of events, but there is a method to the
           | madness.
        
       | nadavision wrote:
       | Unrelated to the contents on the article but the wording of the
       | title made me think that the Harvard Professor crashed into the
       | Pacific Ocean. You might want to consider clearing it up.
        
         | _jal wrote:
         | To be fair, if a Harvard professor impacted the ocean that hard
         | and on that trajectory, that would also be news.
        
           | rossdavidh wrote:
           | I don't think a Harvard professor could be retrieved from the
           | ocean floor using a magnet. Unless he had been an android, in
           | which case I guess that would be worth investigating.
        
       | themodelplumber wrote:
       | Interesting pitch: To conduct this kind of search & retrieve
       | project for an object out in space would cost $1B+, so we'll look
       | here on earth at this obvious outlier which government agencies
       | have already stated they are confident has come from outside our
       | solar system.
       | 
       | I mean it makes a certain type of probabilistic sense, and in
       | multiple ways. If you fund this there's a better-than-lottery
       | chance that you'll at least be part of something big, whether
       | alien tech is in there or not...
       | 
       | BTW I'm planning to check out his podcast appearances, so here's
       | a link for others who are interested.
       | https://www.listennotes.com/top-podcasts/avi-loeb/
        
       | newaccount2021 wrote:
        
       | iLoveOncall wrote:
       | So the only thing that has been confirmed is that it is a
       | meteorite from outside of the solar system. Jumping to the
       | conclusion that it is "possible alien tech" seems a liiiittle bit
       | of a stretch.
        
         | gammarator wrote:
         | Even the first part is not confirmed.
        
       | twobitshifter wrote:
       | The meteor he's searching for is 45cm (18 inches)
        
       | jackmott42 wrote:
       | This is Avi's second questionable alien obsession/quest. Not sure
       | if it is something mental, grift, or perfectly rational impulse
       | to check out incredibly unlikely but incredibly amazing
       | possibilities.
        
         | wrnr wrote:
         | He is a kwak, instead of actual science he shills these ideas
         | on podcasts because the general public is interested in it or
         | something like that. Whenever I meet someone from Harvard I
         | think of this guy and automatically think less of them. Maybe
         | that is wrong of me but then the Harvard alumni ought to have
         | called him out on his BS.
        
           | mensetmanusman wrote:
           | Do we want no one contemplating the n>1 theory of life in the
           | universe?
        
           | jackmott42 wrote:
           | I tentatively agree with that take, but am trying to be
           | charitable. The reason I tend to think this is right is that
           | his podcast arguments for why umamua? was probably alien tech
           | were either disingenuous or displayed incredible ignorance.
           | i.e.: pretending that nobody had any explanation for how it
           | accelerated without any visible tail.
        
           | wonderwonder wrote:
           | Meh, good luck to him, he is not hurting anyone and he seems
           | to genuinely be a smart guy that believes what he says. Its
           | ok to be eccentric.
        
             | xqcgrek2 wrote:
             | He's not eccentric, but a self-promoting grifter
        
               | ctvo wrote:
               | What's his grift? Running off with 1.5 million USD? He
               | probably makes half of that a year already, what a pay
               | day.
        
               | xqcgrek2 wrote:
               | Convincing gullible billionaires and foundations to
               | support his vanity projects
               | 
               | A list: the blackhole initiative, breakthrough starshot,
               | the Galileo project, and now this
        
       | har_ry wrote:
       | So (and I welcome correction here) the logic is: An asteroid
       | travelling at great speed would surely burn up in the atmosphere
       | (ice ect.), therefore this asteroid must be made of iron or
       | stronger (a manufactured alloy). And thus Loebs conclusion that
       | since a manufactured alloy must have been made by someone
       | somewhere, it's worth a look?
        
       | thisjeremiah wrote:
       | that's too bad he crashed
        
       | matonias wrote:
       | What other kind of alien material was found in meteorites?
        
       | 015a wrote:
       | To not bury the lead: His team studied data the government made
       | available from military missile tracking systems, which
       | conveniently also false-positives on asteroids. There was one in
       | 2014 which slammed into the Pacific Ocean at a speed at least
       | twice that of the speed stars around us move relative to the sun,
       | which makes it likely to be extra-solar. Based on that speed &
       | how much burned upon entry, they concluded its material must be
       | tougher than iron. They're planning an expedition to the oceanic
       | area around Papa New Guinea, mostly funded through private
       | donations, to recover the object.
        
         | headelf wrote:
         | If it's tougher than iron, why are they planning to use a
         | magnet to retrieve it?
        
           | micromacrofoot wrote:
           | I guess it's easy and rules some things out
        
           | ericlewis wrote:
           | I suppose because they didn't say it was less magnetic than
           | iron?
        
             | jahewson wrote:
             | All other metals are less magnetic than iron.
        
               | nocterro wrote:
               | Niobium?
        
           | simple10 wrote:
           | Perhaps they are expecting there to be a fair bit of iron
           | along with the rare material, no?
        
           | system2 wrote:
           | Tougher doesn't make it less magnetic.
        
           | eloff wrote:
           | This seems a reasonable question to me, not having read the
           | article. IIRC from grade school days, only a few metallic
           | elements are magnetic. Iron, nickel, cobalt, and some rare
           | earth metals. That was a long time ago and doubtless
           | oversimplified, but please do enlighten me why it would be
           | expected to be magnetic?
           | 
           | It seems like they must still be assuming it's largely made
           | of Iron.
        
             | LoveMortuus wrote:
             | Ferromagnetic matter is magnetic by nature. If you look at
             | the periodic table you'll see that most of the elements are
             | actually metals. Below Carbon there's a line which parts
             | metals from semi metals and non metals.
             | 
             | But with proper equipment you can detect non magnetic
             | conductive materials. Not sure what's it called, but if you
             | pass a magnet near eg. copper the magnetic force from the
             | magnet will induce electricity on copper which in turn with
             | also produce a slight magnetic field. There are many good
             | YouTube videos on this topic and they're quite cool!
             | (https://youtu.be/u7Rg0TcHQ4Y)
        
               | wnkrshm wrote:
               | Paramagnetism. There is also Diamagnetism and Anti-
               | Ferromagnetism.
        
             | TooKool4This wrote:
             | Nope you are right. Ferromagnetism is very rare in nature.
             | 
             | https://en.wikipedia.org/wiki/Ferromagnetism#Ferromagnetic_
             | m...
        
           | TooKool4This wrote:
           | I am not sure toughness has anything to do with ferromagnetic
           | properties. But it seems like a bad idea anyways considering
           | that very few materials are naturally ferromagnetic.
        
         | caseyohara wrote:
         | Lede, not lead.
        
           | harmonious wrote:
           | "You should have written 'lede' instead of 'lead'.", not
           | "'Lede', not 'lead'.".
        
             | caseyohara wrote:
             | I wrote it that way only to mirror the other corrective
             | comment that was posted before mine.
        
               | [deleted]
        
           | adamzochowski wrote:
           | The world says "leading news story" and therefore "burying
           | the lead".
           | 
           | Lede is an american thing. Parent could have been a british
           | or canadian neighbour with their british colourful spelling.
        
             | highwaylights wrote:
             | Props for your correct spelling of colour.
        
               | yellowapple wrote:
               | If anything "color" is correct, being the original Latin
               | spelling. The Normans started misspelling it by the time
               | they went about conquering the British Isles, but Middle
               | English reflects both spellings.
               | 
               | On the other hand, English is descriptive rather than
               | prescriptive, so both spellings might as well be equally
               | correct.
               | 
               | On the third hand, they're both wrong if we want to get
               | old school about it; no sense in catering to a bunch of
               | French invaders when we have the perfectly good words
               | "blee" and "hue".
        
               | tempestn wrote:
               | Also neighbour. Somehow I suspect the inclusion of those
               | words wasn't entirely coincidental.
        
               | sethjr5rtfgh wrote:
        
             | MichaelCollins wrote:
             | > _The spelling lede ( /'li:d/, from Early Modern English)
             | is also used in American English, originally to avoid
             | confusion with the printing press type formerly made from
             | the metal lead or the related typographical term
             | "leading"._
             | 
             | Huh.
        
             | 015a wrote:
             | I promise, I'm not, I'm just dumb.
        
               | samstave wrote:
               | I too choose this guys dumbly leaded comment
               | 
               | (Lead makes you dumb)
        
             | googlryas wrote:
             | It's actually more about the lead paragraph, not the
             | leading news story. If you bury the leading news story,
             | that would imply putting it on page 13 or something. Buring
             | the leading paragraph is putting the most important
             | information at the end of the article where fewer people
             | are likely to encounter it.
        
         | giantg2 wrote:
         | Isn't it sort of funny that they think the asteroid might be
         | some new material, or at least something tougher than iron, yet
         | they are planning to use a magnet to pull up pieces? What
         | happens if it's non-ferrous...
        
           | texasbigdata wrote:
           | Using a magnet seems like not a top 5 idea someone would
           | have.
        
           | GistNoesis wrote:
           | In theory you can use a special arrangement of alternative
           | current electromagnets to attract some conductive materials :
           | https://www.youtube.com/watch?v=_mQeaKkaEcQ
        
         | nine_k wrote:
         | I can imagine their disappointment if all they recover would be
         | a few tons of platinum, iridium and such. /s
        
           | insane_dreamer wrote:
           | unobtanium
        
           | elcritch wrote:
           | And here I didn't even _consider_ the chance that it was an
           | elaborate ruse to grab a punch of rare-earth metals.
           | Apparently my heavy diet of sci-fi and techno thrillers hasn
           | 't trained me well enough yet. ;)
        
             | monksy wrote:
             | Just don't look up
        
         | lisper wrote:
         | Papua, not Papa.
        
       | subjectsigma wrote:
       | This guy's name has come up before in HN. His stuff seemed well-
       | written but the conclusions he came to were a little outlandish.
       | What is the likelihood that this guy just wants to study a cool
       | asteroids and is using aliens as an excuse?
       | 
       | EDIT: I know this is not HN kosher and I don't normally do this,
       | but why am I being down voted? This is one of the most
       | inoffensive comments I've ever posted. Not angry, just completely
       | baffled
        
         | EddySchauHai wrote:
         | If AI Ethics can get as much funding as it does to philosophy
         | departments, let this guy study cool asteroids in case it's
         | sent by aliens!
        
       | harvey9 wrote:
       | Camouflage by Joe Haldeman is the sci fi book that springs to
       | mind.
        
         | jandrese wrote:
         | The title had me remembering the line from Michael Creighton's
         | "Sphere" where one of the people asks why we always imagine
         | alien spacecraft crashing on land when 70% of the world is
         | covered in ocean.
        
       | MichaelCollins wrote:
       | I think I've seen this movie before; just don't let anybody touch
       | the strange _Sphere_ thing and you should be alright.
       | 
       | Seriously though, this doesn't make much sense to me. Finding
       | shipwrecks even when you know they exist and what general area
       | they should be in is hard enough. This sort of search is a huge
       | money sink, the ships, towed sonars, etc all cost a ton of money
       | to operate.
        
         | gfodor wrote:
         | $1.5M ain't much depending on your priors and how much you
         | value the discovery of extraterrestrial tech.
        
         | upupandup wrote:
         | ha! I was gonna mention that movie here but I don't know what
         | to make of this. This professor seems legitimately convinced
         | its possible but who will believe him?
        
       | titzer wrote:
       | I don't see anything in the original research that suggests it is
       | "tech". I think the article completely made this up.
       | 
       | To be pedantic, nearly all of the material that we _are made of_
       | came from other stars, manufactured in their nuclear fusion and
       | supernovae. I think what they mean is a macroscopic object that
       | was formed in another star system, which they 've inferred from
       | its incoming trajectory.
        
         | MichaelCollins wrote:
         | > _I don 't see anything in the original research that suggests
         | it is "tech". I think the article completely made this up._
         | 
         | It's because it's coming from Avi Loeb, the guy who suggested
         | Oumuamua might be a Rama-style spacecraft. I don't think he's
         | dead set on alien hypotheses, but he wants them to at least be
         | taken seriously as possibilities.
        
           | titzer wrote:
           | Ah, I didn't know it was the same guy. It's not clear, at
           | least to me, how extreme his original claims even were,
           | considering how fast things get distorted with sensationalist
           | media these days. He does seem to be a quite serious
           | scientist and not a crank.
        
             | MichaelCollins wrote:
             | He has an interview with Lex Fridman here:
             | https://www.youtube.com/watch?v=plcc6E-E1uU
             | 
             | I haven't listened to the whole thing, but he seems to
             | think that aliens visiting our solar system is likely
             | enough that it makes sense to look for. He falls short of
             | the confident certainty I usually expect from cranks
             | though, he's talking about investigating possibilities. I
             | think he's eccentric, but I wouldn't call him a crank.
        
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