Megastructures Art Thread

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>>55014963

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>>55014976

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>>55014987

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>>55015005

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>>55015050

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>>55015077

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When would you consider a Megastructure too big?

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>>55015755

>>55014963
Gravity is a bitch and anything that big has... astronomical amounts of pressure and gravity fucking up it's shit. But hey, we can say it's super strong. Sure.

The rings as a solid disk structure won't work. The rings of Saturn all orbit at different speeds. The inner ones spinning faster than the outer ones. Keeping it solid would require...well... something super strong holding the inner ones together with the outer ones. The people on inner would have their feet towards the planet. People on the outer edge would have their heads towards the planet. Those in the middle would float

>>55014976
>>55015005
>>55015740
Are those jets? Moving around planets are essentially.... really really fluid. Liquidy like the jets come on and the lithosphere sloshes off.


>>55014987
Space elevators!

But there's nothing nearly strong enough to make a structure out of it other than... like... a ribbon. Maybe it's not earth though. I mean, there are two moons.

>>55015047
...What's holding up those rings?

>>55015755
Cool. Wouldn't shadows be a bitch through that lattice?

>>55016706
This is why you hard sci fi autists are despised

>>55016706
>I have a strong prejudice against things other people enjoy, such as fictional science and aesthetically pleasing imaginary designs. Thus I, the smartest and most intelligent human around, am going to point out why structures such as these could not possibly exist. Behold my genius!

>>55016706
>This is dumb. You would take off the atmosphere
>he says about a picture which clearly depicts a celestial body with little-to-no atmosphere

Get some glasses.

>>55016706
Why would the rings need to be held up? You mean held together?

>>55015770

>it covers the volume between Earth and Jupiter orbits

Goddamnit, how many light minutes is that? You would need resources from a few thousand solar systems just to build that.

>>55016922
They discovered free energy and did massive energy-mass conversion.

http://joshworth.com/dev/pixelspace/pixelspace_solarsystem.html

Dyson Spheres are more plausible than FTL. Indeed, the moment you build any space station or long-term satellite orbiting the star, you have begun building one.

What would be like to govern a Dyson Sphere? With a population in quadrillions, more than it is possible colonizing every habitable in the galaxy, I see it would run into similar problems as galactic governments. s population grows arithmetically, the number of possible interactions rises geometrically. I guess you can only run one as a monolith if you have super-intelligent AI running everything.

>>55014976
when the planet IS the ship

>>55017281
Pretty much. Or every habitat governs itself while the sphere is a federation.

I like to listen to this theme everytime Dyson Megastructures are mentioned.

https://www.youtube.com/watch?v=MC4IAH2TvWY

>>55016706
>Liquidy like the jets come on and the lithosphere sloshes off.
Only if acceleration due to the engines is greater than acceleration due to gravity.

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>>55017144
Thanks, now I'm sad.

>>55017352
Is this game still shit?

>>55017444

Do you want to be more sad?

There's a button (C) below right that scrolls the thing at the speed of light.

>>55017028
This really wouldn't be an unreasonable explanation if you actually managed to figure out how to build something like that. And neigh-infinite energy is becoming more and more plausible with things like white hole mining or dark energy generation.

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For the truly absurd in scale

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I'd like a setting where Earth's Dyson Sphere bullies its colonies with planet-scorching lasers, RKV, and invades planets with tiny billion-strong (a small squad) special forces and flotillas.

>>55017471
It's just too bad they had all those minor software issues.

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Would a Kardashev III (A Dyson Sphere on every single star in the galaxy) attempt to move the entire galaxy (yes, you can move whole stars with a Dyson Sphere, slowly accelerating them) closer to the Virgo Cluster to get more stars to colonise?

>>55017518
Such a setting would be based on foppery and whim at best.

>>55017684
It depends.
Would the acceleration ever outspeed the rate of expansion of the universe?

>>55017847

What's the current rate of acceleration due Dark Energy?

>>55017518
If you have a Dyson Sphere why do you even need or want colonies?

>>55018052

There's always the adventureous type wanting to run away from the uncomprensible vast, anciet and complex Solar League.

>>55018052
Why does any wealthy man want more?

>>55018005
I thought the current rate of universal expansion was estimated at 72 to 73 kilometres per second per megaparsec?

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>>55017460
yep

>>55017460

Ill give it point for being the first, or among the first, for allowing megastrucutures, even if they are severely underpowered compared to what they could do. Hell, building one should count as the Science Victory.

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>>55017352

>No planet-cracking mining yet.

>>55018379
It's especially annoying because megastructures (Dyson Swarm anyway) are technologically easier to do than interstellar travel, though they could be more expensive.

>>55018353
Why make it so big if most of it is uninhabitable, and the habitable area is still huge?

>>55018280
>>55018005
Hmm. As it's centre is 16.5~ Mpc away, it should be accelerating away at roughly 1188km/s to 1204km/s.

Given the sheer scale of the observable universe (28.5 gigaparsecs) we should have no trouble catching it (assuming a Shkadov'ed galaxy can out-accelerate 73km/s/mpc, which I imagine is reasonable enough once it's up to speed).

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>>55017281
>My Therian friend

Orion's Arm has the a Dyson Galaxy, known as the Leviathan:http://www.orionsarm.com/eg-article/4802acd634205

Also lots of megastructures:
http://www.orionsarm.com/eg-article/5067d430e6021

my favorites:
http://www.orionsarm.com/eg-article/48fe49fe47202
http://www.orionsarm.com/eg-article/4847361494ea5
http://www.orionsarm.com/eg-article/484737879bb05

>>55016874
Where did that post use the word "atmosphere"?

>>55020475
I misremembered what the term 'lithosphere' meant. For some reason I was thinking of mesosphere.

>>55017519

Isn't it strongly implied that the 'contagion' that wiped out humanity was actually a software virus, not a physical disease? As in, no humans were infected, the City was infected and as a result billions of people died.

What sounds more likely: that a society of people that can create matter from nothing got BTFO by a weirdly specific strain of the flue that deleted the genetic markers from literally everyone so the city no longer recognizes them as people?

Or a software virus that attacked the database of users/code base for recognizing users in an attempt to hijack control of the city that went bad?

>>55018052
Same reason why there are colonies in Star Trek, because you'll always have a number of people who are fucking idiots who want to make their lives harder and then complain about how shitty life is.

>>55016706
Active support

Slow acceleration

Active support

Active support

Active support

>>55020740

Having everything provided for you is boring. After a certain point, what you crave is novelty. Doing something constructive or creative.

Few things are as novel as going somewhere no one has ever been before, seeing things no one has ever seen. Really, the only thing keeping Star Trek humans from being an awful swarm of technohedonists shitting up the place for everyone else is the Federation's ethics and strong moral center.

>>55018561
Presumably the disk and the other weirder megastructures if built are built by a K2.1+ where they already have several hundred dyson swarms and so can afford do to weird shit as a crowd funding project.

>>55017460
LOL /v/, it wasn't in the first place, just a bit barebones.

>>55017144
>>55017444
This is why any kind of space exploration beyond LEO for satellites is just a big wast of money, talent and time.

>>55020885
So the human race should just mass suicide?

Comically speaking the time difference between now and when the sun engulfs this planet is a rounding error, so if we never intend to expand beyond it we're already extinct, just in denial.

We expand into space or we die on earth. Those are the options.

>>55021143
Cosmically* comically is very much the wrong word. Stupid phone posting.

>>55021152
It is pretty funny, is a black humor kinda way.

>>55021143
I don't know it just seems to be just impossible to achieve nowadays. Maybe the future will prove me wrong.

>>55017516
Too small. Try the Great Attractor in the Xeelee books by Stephen Baxter.
A quote from the text of the book:

>"I have the Ring, Louise. We have been restored to an era before its destruction.
Bolder’s Ring is a single loop of cosmic string... but an immense one, no less than ten
million light-years across and with the mass of tens of thousands of galaxies, united into one
seamless whole. The string is twisted over on itself like wool wrapped around a skein; the
Ring’s topography is made up of string arcs moving at close to lightspeed, and cusps which
actually reach light speed. The motion is complex, but—as far as I can tell—it’s nonintersecting.
The Ring could persist forever."

The ring itself serves to strip a super-massive black hole of its event horizon, creating a gate to another universe.

>>55021143
Heck, just half a million years after earth boils we're due to collide with Andromeda, anyway.

>>55021916
Impossible now yes, but most things are before someone does it, and we won't ever get to the last step before we take the first.
My interpretation is that modern society, when it cares about improving itself, focuses only on reaching current potential, when imo we should focus on increasing our potential, as that will drag up our current average anyway, but more importantly drag up our possible collapse point. The sooner we have self sufficient colonies the less far we can fall as a civilization.

>>55022260
Our meeting with Andromeda will not affect us that much. Massive yes,but as long we stay in the galactic fringes we should be safe.

>>55022600
It could fling us straight out of the galaxy.
(Which isn't too cataclysmic, but will make getting anywhere but here A HELL OF A BITCH)

Best case scenario, we're probably going way out to the boonies near the edge of Milkomeda.

>>55022658

It could be worse. The galactic core could become active for a while turning into a short-lived quasar killing most live in the galaxy with its radiation.

>>55022687
True, point taken.

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>>55022260

Earth will never boil since we are very likely to begin mining the sun until it turns into a smaller, more efficient, longer-lived Red Dwar throught the extraction and stellar engineering process called starlifting.

>>55021143
Most humans I know would be greatly improved by suicide.

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>>55016706
(You) are the worst kind of person.

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>>55022891

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>>55016706
>HEWWO AM TWOLLIN BOAWD GOOD YES?

>>55015770
>>55015755

Given the historical ties between the construction industry and the new york mafia, I can't help but feel this is Tony Sopranos' fault.

>>55018052
Space is GULAG.

GULAG gets too comfortable, no longer works as deterrent, so need regular fucking their shit up.

>>55022687

That's basically the thing - if I'm understanding things right, the andromeda galaxy is basically looking at us from the top or bottom, and they recently worked out that our galaxy has these huge magnetic plumes that go up and down from the milky way's galactic core (that extend around about 8-10 times the diameter of the milky way out from our galaxy).

So during the last million years or so of the andromeda-milky way collission, are there going to be two immense moving magnetic fields rubbing against each other, producing an electric current through the weakly conductive plasma of instellar space?

>26 images
>77 posts
bravo /tg/

>>55015755
>>55015770
Where did the mass come from to build it?

>>55024298
Could probably be justified as from stellar lifting a massive supergiant. The problem would be the amount of energy required to keep it from collapsing in on itself constantly and the heat said energy would create.

>>55016706
>...What's holding up those rings?
Gravity.

https://www.youtube.com/watch?v=MQLDwY-LT_o

>>55015755

What's stopping the population from cooking themselves to death just with the combined heat of their bodies?

>>55024298
>>55024379
It's not a solid metal structure. I imagine there's enough material for most of it on the planets and asteroid belts on our own solar system. And the rest could have been hauled from another solar system. Don't know about the story of it though.

>tfw, without FTL, we'll never have a traditional space empire
>tfw it doesn't even matter because an optimal dyson swarm could take on a traditional galactic empire several times over
>tfw with FTL we can literally restructure the galaxy into optimal configurations of meta-dyson structures

https://www.youtube.com/watch?v=dArpj_VxxuQ

>>55025145
If we manage to create FTL communications, it would be possible, as an empire that exists mainly in a Matrix-like virtual world.

FTL communications is a little bit more on the realm of possibility, isn't it?

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>>55025145
>tfw without FTL, the jackasses who want a traditional space empire can't get to you

>>55025420
Well, they -can-, but it would be an entirely separate population of the original assholes.

>legs and feet on a snek
Shame

>>55024379
>>55024599
What if you used the body heat from the inhabitants to generate some of energy needed for keeping the structure in tact?

>>55024298
Stripmining the galaxy.

>>55025257
No, modern communication is based around shooting electromagnetic radiation (as close to "pure energy" as you can get) wherever you want it to go that is the "collected" by certain devices. Any communication technology would have to involve sending mass or energy of some sort, which are both equivalent and bound by light speed. If you could make a signal move faster-than-light, you could make a solid ship move faster-than-light.

>>55025257
Causality, Relativity, FTL.
Pick exactly two.

We very much hope that causality works, because basically nothing makes sense without it. It seems to work, anyways, nobody's spotted any violations thereof.
We can observe that relativity seems to work, since we can experimentally test it.
We have not seen FTL occur ever anywhere anyhow.

Therefore, it's fairly safe to believe that FTL is impossible.

>>55020672
The Net got restricted by a group of people with the Terminal Net Genes. The group later would later become the Adminstration, then they lost control over the Safeguard, because of the many attempts at accessing/cracking it, so the Safeguard started becoming aggressive, killing off every human they came in contact with, the Adminstrations said "Oh shit, we didn't do a really clever thing", so they became "good" and started helping Killy, even if they couldn't interfere at that point in time.

>>55024740
>It's not a solid metal structure. I imagine there's enough material for most of it on the planets and asteroid belts on our own solar system.
IIRC there's a part later in the manga where they enter a room that's large enough to contain jupiter
I think the assumption is that all the planets don't even exist anymore

>>55028888
They exist, but they are like covered enterely by the structure, they are inside of it, you can see that in NoiSe during the end, when the Moon gets "assimilated"
>>55026619
>The City
>Being in one peace
I'm pretty sure that it costantly falls apart and the builders just get to "sew it together" by providing more materials to hold everything together...Most of the time.
The actual scary thing is that Killy just got across it twice

>>55029006
>but they are like covered enterely by the structure
I'm pretty sure they were taken apart for material, with that part in NoiSe just being the structure reaching the moon

>The actual scary thing is that Killy just got across it twice
Well Killy is also functionally immortal, so a month long elevator ride or a millenia long trek is nothing to him

>>55029083
>I'm pretty sure they were taken apart for material, Actually as some other anon said, they can convert energy into matter pretty easily, but it can also be a possibility.
>Well Killy is also functionally immortal, so a month long elevator ride or a millenia long trek is nothing to him
>a millennia long trek
>only a millennia by foot to walk around 10-15 AU
just no, it would be WAY MORE than than 1 millenia, or two.

>>55029159
anon, even 100 millenia won't be a problem for him
plus he didn't have to walk all of it, given that there is still local transport

>>55029245
anon, it's not a matter of possibility, it's a matter of "wow, he actually did it" just imagine the feat.
Also, just think of all the enemies, like the silicon life and safeguard searching for him all the time.
Transport woudln't make it easier.

>>55029310
>Also, just think of all the enemies, like the silicon life and safeguard searching for him all the time
G B E
B
E

>>55029548
Safeguards have it as well, and Level 9 Safeguards can deflect it with a wave of hand.

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Since no one else seems to be interested in posting images.

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>>55030443

>>55029597
Level 9 safeguards are not going to pop up for a random dude walking through a protected territory.

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>>55030466

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>>55030551

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>>55030571

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>>55030607

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>>55015755
>When anything that happens in the story seems insignificant because of the scale.
>When there is no reason for the size. No population to fill it, no project to power with your star output of energy.
>When it outgrows the technical means with which it is supposedly build.
>When it is irrelevant to the story in the first place.

>>55030467
but it happened
is Killy the most unlucky person in the world?

I'm noticing an odd lack of Isaac Arthur mentions in this thread.

>>55018561

Think about the various types of industry you could locate in the various biomes of the disk, with that much space and that large of a temperature differential - not discounting gravity being higher towards the sun and lower towards the outer edge.

You could house multiple species, nations, industries, mega-cities and anything else you could ever dream of with that much space and that many options on each side.

Hell, would it be possible to put more than one disk around a sun? One above the other at such a distance that gravity would not effect either disk, but create a zero gravity zone between them - so both disks could contribute towards the construction of shipyards, space stations, zero-gee labs and hospitals and such.

Plus from viewing it side-on it would look like a giant Oreo. So whats not to like?

>>55036223
I think once you get to the point where you can build an Alderson Disk such concerns of basic industry would be less concerning.

Of course the thing with Mega Structures is that by the time you can build them it's entirely probable that you don't need to and the whole thing is a colossally uneconomic expenditure.

This would move them to the realm even further advanced where the creators would have to be sufficiently god-like for it not to matter, though relating to such beings would be difficult as their concerns would be of inhuman scale.

To have an interesting story on a mega structure you would have to have

> Primitives finding an abandoned one and colonizing it

> It being created by the god-like creatures and lesser people dumped there for reasons of study, entertainment or charity.

> Former god-like being that have regressed

> God-like beings that have recreated their ancestors for whatever reason.

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>>55037043

That's where you are wrong. If you think it's easier to terraform planets, then I'm afraid that you are wrong. It takes thousands of years to carefully terraform an appropriated planet. By contrast megastructures can begin very small: one space station orbiting the star. The rest of the swarm is just a matter of time.

It is a common misconception to think that Dyson structures are the zenith of technology. That is probably true for solid megastructures, but for swarm is certainly not. It's just a matter of industry and automation. Believe it or not, there's already plans to disassemble Mercury.

The only situation where you won't end up developing, even unintentionally a Dyson is when you discover an energy source that is better and more abundant than the stars themselves. Even a partial Dyson Swarm is useful for manufacturing antimatter and proton-sized black holes.

>>55022824
But red dwarf, even if living extremely long, are quite volatile. Neutron stars on the other hand...

https://www.youtube.com/watch?v=FMJNta-okRw
Thread Theme

>>55017144
I mean, if I put my house and my mother's on a similar map it would look pretty ridiculously far too. 70km, compared to the size of a house, let's say 7m. Say the house is 10 pixels tall, my mam lives 100,000 pixels away. On my 1366x768 display here that's 73 monitors away.
Humans can't understand scale, period. Our brains work logarithmically, and compare relevant details. The size of the body compared to a cell, a car compared to the road, or a planet compared to space, they're all stupid scales that just don't work with our brains.

>>55019361
>galaxy
>10 light years
That's a small cluster, not a galaxy.

I am stealing so many images from this thread for my starfinder campaign! Thanks anons.

Quite frankly if we are not living in a simulation of some program run by Matrioshka Brain it is an extraordinarily unlikely circumstance. If simulations of reality are possible, you are linely to be one.

>>55015770
Blame! is a fantastic manga.

>>55024298
Didn't most of the material come from Energy -> Mass conversion?

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>>55038907
Nice.

>>55041768
>manga
>fantastic

go back to /jp/ loser

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>>55037448
It's much more efficient to mine a star and use the hydrogen in artificial reactors than it is to surround it with energy collectors, so in that sense there is a better energy source available.

>>55030571
Wouldn't the curve of a ringworld be so gradual that you wouldn't notice it? I know on Olympus Mons you can't tell you're even on a mountain because it's both gigantic and doesn't have enough of a grade for your brain to process it. Or is this smaller than the orbit at 1 AU?

>>55051771
I believe It's mostly agreed that a ringworld would be so big, or the atmosphere so thick that you wouldn't be able to see the curve. However that's boring so just assume the image is taking artistic liberties.

>>55044946
> Not liking comics
What are you, boring?

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>>55016706

>>55051771
That's art from Halo I think. The rings in those games are only between 5k-20k miles in diameter

>>55021916
It's only a matter of time before someone invents a way to artificially generate stable wormholes and then humanity just murderhobos it's way through the galaxy Star Gate style.

>>55022186
fucking forerunners

>>55045463
But you have to get all that energy to power the star mining equipment from somewhere.

Thus, the logical conclusion is that you dyson sphere the stars that make the best colonies. Then strip mine the stars that are useless.

>>55028888
>a room that's large enough to contain jupiter
I have to wonder, what it would be like to be inside such a thing?

>>55016706
I'm actually not blaming you for reviewing the science part of those artworks, but I have a question: What would a ribbon-shaped space elevator look like? Because I sure as hell wouldn't complain about ribbon-shaped superstructures.

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>>55054952
Something like this.

>>55024298
There's a suggestion in the manga that they have the technology to mine other dimensions. They basically used the resources of the whole solar system an arbitrarily large number of times.

>>55055667
Have the page or chapter? Because I read all the manga and don't see any of the topics people put in this thread, in fact if the mega structure have a size bigger than earth nothing make sense, kill and cibo never met again, the gravity gun make the entire estruture colapse, etc..

>>55016706
>But there's nothing nearly strong enough to make a structure out of it other than... like... a ribbon. Maybe it's not earth though. I mean, there are two moons.
That's where you're wrong kiddo. Assuming that we'll one day be able to produce large amounts of carbon nanotubes (and with the rate of material science delelopment there's no reason to think we won't one day soon) it will be possible to slowly build from a ribbon to a cable to an elevator. The science is there, and the material is catching up.

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The thing about Megastructures is the ol' "don't put all your eggs in one basket" expression ramped to 11. Unless you're sufficiently advanced that you can make more on a whim it's a massive loss to have something happen to it, and as tech advances weapons get nastier- the ol' Dr Device could theoretically kill a Dyson Sphere on par with The City in one zap.

Was the Ender's Game movie any good or nah?

>>55058088
>Was the Ender's Game movie any good or nah?

100% shit, this is why they don't make a sequel

>>55057611
Not really. The largest printed titanium part is something like a 2 foot box. No SWCNT or MWCNT products have hit the structural market yet. Unfortunately it's an MSE pipe dream, like "covetic" metals.

Our glorious space elevator will be built from straw and sweat, on the backs of the next disposable work force.

>>55051967
>I believe It's mostly agreed that a ringworld would be so big, or the atmosphere so thick that you wouldn't be able to see the curve
But you'd certainly be able to see the arch of the other side of the ringworld in the sky. Wouldn't you? It'd be illuminated by the star and the atmosphere wouldn't be that thick, would it?

>>55062665
At "night" I imagine you'd be able to see the sections in daylight even brighter than the moon, which I imagine could be very cool looking.

>>55016706
Vito for fuck's sake stop shitting up my board

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>>55014963

>>55058306
Agreed. I loved the book so freaking much. The movie was a waste of time. Even if the only thing that ever came from it was this single solitary post, it was a waste

>my posts are so awesome

>>55051771

In Niven's original book there's a native who's on a quest to reach the Base of the Arch. Civilization collapsed and they forgot that they live on a ring. And like you say the gradient is too small to be perceptible.

>>55051967
>>55030571
>>55030624
>>55051771
Here's a to scale representation.

https://www.youtube.com/watch?v=sR2296df-bc

You wouldn't be able to see any of it effectively.

>>55020769
Genius.

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Some autistic shitty OC. All i have but I like this thread so I want to bump it.

>>55057086
I dont think you actually read the manga if you think the city is the size of earth
As previously posted, theirs a room with stated dimensions the size of Jupiter
Also, they do in fact interact with an alternate universe. Thats where the second Cibo comes from

>>55071616
The Book of Strange New Things?

>>55054177
This. 'Most efficient' becomes irrelevant when you're throwing around stellar energies.

>>55027736
I, too, have read the paper you're referencing.
It's only one paper.
It's not an absolute authority.
It doesn't even make sense.

>>55018052
If you need to tap the energy of an entire star, you NEED to. You have an absurd consumption of energy, and you need to keep fuelling it.

>>55037043
>I think once you get to the point where you can build an Alderson Disk such concerns of basic industry would be less concerning.
You build it because you NEED it. By the time you're actually considering building one, you're going to need all that room for factories.

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>>55071674
No it's something autistic I created when I was younger. What is the book of strange new things?

>>55071984
>'Most efficient' becomes irrelevant when you're throwing around stellar energies.
>If you need to tap the energy of an entire star, you NEED to.
If you need the energy, you need to makes your losses as small as possible.

>>55071648
>Thats where the second Cibo comes from
wasn't that an artificial pocket dimension?

>>55071648
Well I read the manga (probably the only one), the other cibo is from the anomaly created by the gravity generator, if they are able to enter in other universes they simply take some with the gene and the manga end in 3 pages, the "size" off the room is obviously a malfunction in the telemetry, if have this size they never are able to cross BY FOOT, or encounter any one, etc...

>>55017144
You realize if we could travel at speeds about similar to how fast I can use my mousewheel to scroll to mercury, we'd easily have our entire solar system colonised and shit, right? It only took me a minute or so to get to the sun from Mercury.

>>55073229
Wait, I'm dumb, found the "scroll at light speed" button and it goes way slower than I was moving.

Still, even getting to sub-light speeds would be pretty tight.

>>55022260
Galaxies don't collide. They mix into each other with no contact.

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So that raises the question, does he browse /tg/?

>>55072564
>the "size" off the room is obviously a malfunction in the telemetry
I think you're missing the essential point that Killy especially, but everyone else in the megastructure as well, are definitely not human anymore. Killy is a very advanced cyborg, who can function for literal years with no added energy of any kind.

Blame's numbers are meant to be taken 100 percent seriously.

Does Trantor count as a Megastructure?

>>55024298
in Noise, the prequel manga, they say robots travel beyond our solar system to other parts of our galaxy to gather materials.

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>>55014963
>there are people who only now are hearing about the Dyson sphere idea because of the HL3 story
>there are people who believe the idea originated with the HL3 story

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>>55058088
>using gay lasers instead of based RKKVs

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>>55080603
it would have been a great ending, admit it.

>>55081265
Dr Device is a bit more than just a laser.

>The Molecular Disruption Device utilized two beams, which when fired would meet together to create a field in which electrons could not be shared. The field would spread out in a sphere, but would become weaker the longer it dispersed. If the field came into contact with more molecules, it became more powerful and the dispersal process would start over. After the field died down, the only thing remaining would be a clump of iron molecules.

>>55081336
Like Prometheus to Alien, explaining the mysteries ruins them

>>55081530
What explaining? G-Man would remain a mystery, the scale of the Combine would have shown how futile resisting them was and it would have been a very thematic ending.

>>55015755
Envelope the entire universe or you're doing it wrong.

>>55016706
>But there's nothing nearly strong enough to make a structure out of it other than... like... a ribbon. Maybe it's not earth though. I mean, there are two moons.
We got the other one as a gift.

>>55017144
https://www.youtube.com/watch?v=p86BPM1GV8M
Daily reminder that astronomy is more humbling than every religion in the world combined.

>>55014963
This wouldn't have anything to do with Half Life 3, would it?

I'm not gonna ask if this is relevant to /tg/, instead I'm gonna ask how we can make a game based around megastructures.

>>55081736
>your house is tiny compared to your city
>pretty insignificant house, huh?
Daily reminder to laugh at voidcucks crapping their pants at scale.

>>55082017
There's not millions of miles between you and the next house, faggot.

>>55082069
What's the awe cutoff my man?

>>55082085
The exosphere I guess.

>>55082069
Yeah but do you have any idea how many houses could fit in a city? How close-packed humans could get, how dense population could be? We could make Kowloon Walled City look like a joke, but we're living in relative luxury. What I'm saying is there's so many things to be in awe of, to be humbled by, that mere space is meaningless. What did you think, that all the planets were right next to each other?

>>55082144
>What did you think, that all the planets were right next to each other?
No, but all the houses in a city are.

>>55082162
IMMENSE amount of every city is greenspace or roads actually.

>>55082174
And the houses are all right next to each other.

>>55082193
>decillions of atoms in between
>billions of bacteria live breed and die in that twenty feet
>insignificant
We are comparatively gods.

>>55082215
They're all right next to each other.

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Topkek right here.

>>55058088
No one with half a brain would even attempt to build a Dyson Sphere as a singular, rigid object; Dyson Swarms are both doable, efficient, and extremely resistant unless you irradiate a region of space an AU in radius.

>>55082239
So are all the planets, from a galactic Dyson sphere's point of view.

>>55083622
Galactic Dyson Spheres aren't sentient.

Galactic Matrioshka Brains are though, but just barely.

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>>55082015
>This wouldn't have anything to do with Half Life 3, would it?
I only found out about that after I made this thread. I just wanted some more mega structure art after watching Issac Arthur and playing Stellaris.

>>55072564
The noise prequel manga includes the moon getting incorporated into the structure so it's already bigger than earth thousands of years before blame and before things really got out of control with endless growth.
I don't doubt that you've read the manga but you should read it again because you've either missed or forgotten a lot. The stuff people are talking about is in there even without the extra info sources.

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>>55082286

a while back, I was in a BESM d20 game (yes, I know the system is bad, but whatever it was still fun) and we were playing a high level space opera game. The GM decided, "you know, every game I've been in, and run, the PCs have been near broke. What do these guys do if I give them more money than they know what to do with?"
He was not disappointed.
We had started out as guards for a mining company on a destabilizing planet, and ended up becoming transhuman gods. along the way we took over the space pirates, turned them into the first real space police force (easy to bring about real justice when you don't have to worry about being bribed, because the boss has WAY more money than anyone else), tracked down the creators of humanity, raced to find an ancient super weapon, and to keep it out of the hands of the bad guys, we created a distraction to get the bad guys to focus away from what we were doing.
We built a Ringworld.
We bought MANY planets from the evil corporation, started mining them, the evil corp would buy them back, sift the planet to rubble, we would then buy the rubble cheap, and use it to fabricate what we needed to build the ring.
Like I said, we were CRAZY stupid rich.
Oh, and the other reason we were building the ring was because we were using an alloy we created that would protect anyone who lived on it from the effects of the super-weapon. So the thing was basically going to be an ark for intelligent life in our galaxy.

>>55083758
Wossat from? Looks real neato in the way that I'd actually watch it.

>>55057449
OA is such an overrated project.

>>55085467
The clue is in the name.

>>55085467
>>55083758
Oh, it actually was that anime. I'll admit I like this style.

>>55017222
Depends. The absolute mass of negative-mass matter needed for the Alcubierre drive started out being larger than the mass of the known universe, then was finessed down to that of Jupiter, and was later shown to be only that of about the Voyager spacecraft.
At this rate of finagling we should have warp drive powered by an inert chunk of iron before 2050.

>>55048795
>1992 paramount pisctures
This from that TNG episode with Scotty?

>>55031153
The builders build, it's what they do.

The future Kardashev 3 civilizations should collaborate with each other to move our supercluster (Virgo Supercluster or even the whole Laniakea Supercluster) into a coherent and gravitational bound structure. This way, we will all have more reserves of hydrogen and black holes for longer survival into the far future until we figure out a way to break entropy.

>>55086937
>implying present K-III civs haven't broke entropy and screwed off into space beyond comprehension already

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>>55086937

Reversible computing.

>>55019361
Thanks.

>>55071985
It's a novel centering around a research facility on an alien planet, and a missionary tasked with converting the local inhabitants to Christianity. The facility you drew reminded me of the facility described in that novel. Nice aesthetic.

Relevant to the thread
http://multivax.com/last_question.html

>>55080603
>the HL3 story
Huh?

>>55087593
One of the Valve people wrote a HL3 fanfic that everybody swears is canon now.

>>55087612
>>55087593

It was the former lead writer, so its probably as close to HL3 as we're ever going to get.

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>>55087624
>>55087612
Oh, right. Eh, guess it had to happen sooner or later. I wonder if the guy who does Freeman's Mind is gonna do something with it.

Pic unrelated, but I've always wondered what sort of a civilization that could build these kinds of things would be like.

>>55085744
Why?

It has a lot of high quality concepts for any future setting that's heavily based on realistic hard science. Some liberties have been taken, primarily with FTL travel, but that's something that always comes with FTL territory--even so, they've honestly done a good job justifying wormholes.

Unless I'm unaware of some type of pseudo-cult that's developed around OA, I don't see why it would be considered overrated at all.

>>55086715

Note that an Alcubierre drive, like most interstellar objects, is a weapon of mass destruction. You are essentially generating an artificial black and a white hole in front and behind the ship with enough energy hawking radiation accumulated to blow up a planet upon release.

>>55018052
Because every healthy society makes it's malcontents useful by directing them at the frontier, and having them bring valuable shit back when they get tired of escapism.

The true purpose of colonialism is to prevent a surplus of angry young men. (or whatever your society's equivalent is) the alternative is either killing them or using some sort of game to simulate colonial expansion.

>>55089535
What's a white hole?

>>55089764
A celestial brown starfish.

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>>55089781
Yeah, I walked right into that one.

Seriously though, I've only ever heard of that in an old star wars story. What is it?

>>55089807
Literally the opposite of a black hole, it just shits matter out.
https://en.wikipedia.org/wiki/White_hole
Yeah, I know it's wikipedia and not a science journal but this should be plenty.

>>55089764
https://www.youtube.com/watch?v=TxWN8AhNER0

>>55089833
So, has anyone actually found one, or is it just a purely hypothetical thing like a black dwarf?

>>55089896
As far as I know it's a purely theoretical thing.

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Does this count?

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>>55090604
reminds me of this

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Here you wake up, with the sun dazzling you and the great curve of the ring stretching behind it. The air is so cold and clean that it almost hurts to breathe.

A voice in your ear asks. "What's the last thing you remember?"

>>55094401
That is a REALLY bad design.

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>>55094456
How so?

>>55094496
Light pressure from the star would shove the hemisphere away from the star, and do so with pretty incredible force.
You'd basically be pissing away a giant portion of of, if not more than, the energy you would get from the star just keeping your hemisphere in place. And you'd have to spend reaction mass to do so.

>>55094603
That's not a solar collector, that's a thruster. What you've described is basically the way it works, only that the star itself is somehow tethered to the sail.

Or it might be that the sail is pulled in by the star's gravity, I can't remember off the top of my head.

>>55094672
Ah, then that makes more sense.
Yeah, if you got the mass to area ratio just about right, you could use something like that to drag a star around.

Steering would be an absolute bitch though.

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>>55094715
When you're using a star as an engine, it's the things in your way that have got to be worried, not you.

Pic related.

>>55094603
The spherical cap (it's obviously more of a sphere than half) and star could be at some sort of equilibrium, where the cap acts as a Bussard collector funneling interstellar medium into the star to produce some sort of jet which would propel the star forward at the same speed that the solar wind propels the cap forward.

>>55094743
The star engine I can accept, but what are the parrots doing there?

>>55095818
They made it.

>>55087624
I wish Valve would just like hand the IP over to somebody else if they're not gonna do anything with it. It's been ten years since Episode 2 now, and next year it'll be 20 years since HL1.

>>55024740
>>It's not a solid metal structure. I imagine there's enough material for most of it on the planets and asteroid belts on our own solar system. And the rest could have been hauled from another solar system. Don't know about the story of it though.
>I imagine there's enough material within our own planets to create a metal structure the same diameter as our most distal planet's orbit
Holy fuck

https://m.youtube.com/watch?v=TZWzBncwVtQ

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>>55086715
That's still a voyager sized amount of matter that we're not sure can actually exist yet. It's like saying "Hey, good news guys, we only need one drop of Unicorn blood for eternal life, not a whole gallon!"

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>>55057449

>>55018414
What mod?

>>55051771
It depends on how big the ring world is, obviously.

>>55083758
Goddamn that's an effective way to convey scale.

>>55025257
Yes, quantum entanglement is a real thing and needs to be explored more to create faster than light communications.

>>55105587
Quantum entanglement does not permit FTL communication.
Period, space, space.

>>55039123
I believe Leviathan is an artificial structure made out of a collapsed galaxy. It is way denser than a small cluster.

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>>55085744
Got to disagree with you. OA has a lot of interesting concepts:
http://www.orionsarm.com/eg-article/4f999d852617e
http://www.orionsarm.com/eg-article/45eb14d9337fb
http://www.orionsarm.com/eg-article/486028564241d

>>55058088
The City's superstructure isn't made of molecules/chemistry so the MD would be ineffectual. IIRC it's strong force matter, but that might be from the Dark Forest and I'm getting them confused.

A Dyson Swarm (the only plausible megastructure) is extremely hard to destroy.

>>55109209
Either way, the Triangulum Galaxy's reaction of transmitting the most important parts of itself in all directions is a much more sensible reaction to the threat of invasion than most dark forest type scenarios.

>>55100365
https://phys.org/news/2017-04-physicists-negative-mass.html

>>55106450
>muh causality
>muh science is settled
You don't even understand the math faggot.

>>55100365
I meant that as a joke.
>At this rate of finagling we should have warp drive powered by an inert chunk of iron before 2050
should have given that away.

>>55017144
>I sat through all that
>I don't have autism
Pick one.

>>55085744
As a whole, yes. It still has a lot of neat concepts you could use in a campaign or book or whatever.

>>55110480
Do you? Just accept that space opera will never be real.

>>55112532
FTL is possible
AI is possible
Stealth in space is possible

DEAL WITH IT

>>55112588
More like

>AI is inevitable
>FTL is a waste of time
>Stealth in space is unnecessary for exciting space battles

The time scales of 'realistic' space travel can still allow for interesting conflict if you understand things on a galactic perspective where it "Only" takes a few million years for self replicating space probes (possibly containing uploaded human minds) to colonize a galaxy.

The conflict happens when said swarms of self replicating space probes want to interact with a planetary civilization without (completely) destroying it, or when two separate swarms of self replicating space probes find ways to compete with each other that don't result in mutual self destruction. If you aren't creative enough to figure that out, then you shouldn't be doing space opera anyways.

Most importantly, a setting like this offers endless opportunities for anachronistic wars on remote worlds, where the aliens sell weapons to the locals that are better than anything the locals could ever make, but at the same time not 100% efficient. Even the laws of physics can be handwaved away if you just say "It's a simulation."

Space opera is being held back by a hatred of AI and the desire for FTL. Stealth in space can come or go, but it's pointless to argue about.

>>55112744
>implying I was talking about space opera

>>55110480
https://en.wikipedia.org/wiki/No-communication_theorem

>>55112846
>relies on the Born Rule
>which relies on Many Worlds
>which relies on faith
no thanks dude

>>55014963
I fucking hate rigid shell dyson spheres. They're unrealistic and impractical, and there are easier things to build that will also work a lot fucking better.

Now you may be thinking, "wow fag anon is bitching about muh realism in muh sci-fi" but hear me the fuck out, god damn it.

Imagine a science fiction story where people drive around in cars that can go like 700 kmph. And this is the primary mode of transport for long distances. Need to cross the country in an hour or two? Just hop in your car! Airplanes don't exist, because the author didn't think that maybe people would use the more realistic and practical thing instead of the unrealistic and impractical thing. What's what a rigid dyson shell is, compared to a dyson swarm. It's a less realistic and less practical alternative to something that would work better anyway.

>>55016706
I agree with you and I think scifi needs more constructive hard scifi criticism.

>>55112865
>Born Rule
>>which relies on Many Worlds
No it doesn't.

>>55114600
The point is it's not open and shut and also why do you have a name in this thread? Did you build a megastructure or something? QM is largely unproven, we're in its infancy, and here you mouth-breathers are acting like it's bridge-building.

>>55114681
>also why do you have a name in this thread?
Because I make running commentary on Voyager as I'm watching it in the Trek thread and I'm too lazy to delete it every time I post outside the thread.
Post a dirty pic and I'll build a megastructure.

>>55114681
To be fair, you can build bridges by just stacking rocks and sand together until you can walk to where you need to be.

Clearly, what we need to do is to cannibalize a younger universe with higher base-level Higgs field. We would get a massive energy surge to harvest, while the younger universe suffers a vacuum metastability event (to lower its base-level Higgs field to our own) adapting all its matter to our laws. Substantial reduction of entropy by introducing new matter into our universe. It is possible that such cannibalizing or collision is what stopped inflation from going on forever.

>>55117860
>It is possible that such cannibalizing or collision is what stopped inflation from going on forever.
Dude, I have some bad news for you.

>>55082215
>everytime we take a shower or even just wash our hands we are causing a holocaust

>>55091293
>"What's the last thing you remember?"
>"Your mom giving me head."

>>55018414
>planet-cracking mining
Do you want to have Markers?

>>55105356

Megastructures.

>>55084810
Hey guise, I remember some living starships that looked as if made of coral. Like a cross of early Tyranid and concept-art zerg that ends up looking like neither.
Do you guys have pics of coral starships?

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>>55096253
>The Beast

>>55031153
That's kinda the point. The system went wild and started building on its own. And it's that does. Keep building and building.

>>55014963
>DYSON SPHERE

THEY TURNED ME INTO A GRUB GORDON

>>55094456
>>55094603
Not really. That can be used to move the entire Solar System using solar winds with the mirrors only in one side.

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>>55119807

>>55118612
Sure

>>55071616

What the fuck is that supposed to be and why is there a giant lemon in the sky?

>>55122439
Looks to me like a building that got bukake'd with christmas lights in the middle of a parking lot while some sort of future flying cars approach and the moon shines above.

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>>55122405
B-bost bic ploz.

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>>55087418
Thanks anon <3

>>55122439
>>55123367
It's meant to be a giant fortress the size of a mountain range, millions of soldiers inside. The "lights" are supposed to be giant defense towers with railguns to shoot down interlopers. pic related is a giant "gun" that is also a defense tower miles tall meant to launch projectiles into the upper atmosphere to land hundreds of thousands of miles away across the planet.

A hard scifi fan would have an aneurysm reading this but whatever. I just like over-the-top epc scale of things.

>>55125042
It's a fucking space bread, I like it, but it looks like fucking space bread.

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>>55125042
Fucking space Baggett, but why?

>>55127320
French design. It also has built-in advanced retreat routines.

>>55127349
You see zat pyramid, ja? Ist full of German panzers.

>>55066205
great, now I'm sad

>>55127400
So it comes built with a Collaboration storage facility? Truly the designers knew their customers.

>>55127881
Und it doubles as a space drive! Ze French can retreat faster zan light vhen freed from gravitational influences!

>>55117860
>Destroying an entire universe's worth of potential just to extend your own corrupt life.
>Implying the entropy police won't arrest you for that.

>>55128618
>implying the entropy police exist

>>55109417
thx for sharing

>>55080603
>gatekeeping the idea of liking megastructures

You're a pretentious cunt. Also nobody thinks that Marc Laidlaw invented dyson spheres. Literally nobody.

>>55134992
It was clearly that man with the vacuum cleaners.

>>55017684
You're thinking of a Shkadov thruster, not a Dyson sphere.

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On behalf of Martian Mechanicum, I leave this here and leave.

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>Starlifting, Star Lifting
>Removing material from a star for industrial use or for stellar husbandry. The energy required for this process comes from the star itself, either directly from its luminosity or from fusion or matter conversion of the lifted material.

http://www.orionsarm.com/eg-article/47897e8b1947c

http://www.orionsarm.com/eg-article/478adc0758bd2

Oh, yeah. A dwarfs dream came true.

>>55130023
>Implying they don't.
Why do you think you don't see any time travelers? How come nobody's been able to build a perpetual motion machine? Why can't anybody go faster than the speed of light?

It's because the entropy police stop them, that's why. Science lies, it's very possible to do all those things, but the Entropy Police exist specifically to enforce a linear flow of time from the big bang to heat death. It's a thankless job, but without them we'd all be killing our fathers and fucking our mothers. I wouldn't expect a civilian like you to understand.

>>55018353
What is this from? Would be interested in seeing others in the series

>>55137263
Most of them are on here already, chum, probably because I started bringing them here the last megastructure thead.

Here you go. https://www.artstation.com/artofsoulburn/albums/63277

>>55018561
>they could be more expensive
Honestly, that's the best explanation why barely any of these sci-fi universes had Dyson swarms or stuff like that:
If there's megatons of habitable planets, rather efficient energy sources are known and FTL is available and building such a thing would be a humongous effort of construction over a very long time, then why bother?
And we don't even know how "easy" a Dyson Swarm would be to build, only that it's possible. It would require worldwide coordination and cooperation for decades - it's easy to see that any effort would be thwarded by human fuckery before it properly begins.

>>55015770
was this image in the actual manga or is this just a fan creation? I was always under the impression that the megastructure encased the moon but I didn't think it was THIS big.

>>55125042
>when you hit the brakes and all the oceans slam into the front of the dome

>>55137446
It's a fan creation, the megastructure is that big though.

>>55039123
Marketing. To attract settlers.