Questions tagged [far-future]

For questions of Earth\humans that extrapolate beyond available data: hundreds of years at least, thousands commonly, millions preferably.

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Would the ability to eat and digest food help to fuel the stigma against sentient androids? [closed]

If androids were able to eat they would beat humans in one more jealous way because along with immortality and a tougher and stronger but at the same time having a soft body they could also eat as ...
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-3 votes
2 answers
191 views

Possible population levels in a Kardashev Type 2 Scale civilization

Acording to Futuretimeline a type 2 Kardashev society could be achieved around the year 3100 when science is advanced enough to allow the creation of a Dyson Sphere and due to its size it could house ...
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5 votes
6 answers
3k views

How Can I Justify the Existence of Dragons in My Realistic Post-Apocalypse Fantasy Setting? [closed]

Recently I have given myself an interesting challenge: To create an interesting fantasy world that does not have conventional "magic." In this setting I'm writing, our entire civilization ...
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12 votes
9 answers
882 views

Could the movement of animals and plants be used by a future civilization to figure out that it isn't the first civilization?

I noticed that when it comes to the idea of humans going extinct, and how human civilization could be detected by future civilizations, a lot of the ideas for how human civilization could be detected ...
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-3 votes
1 answer
143 views

What kind of technology would be needed to create force fields like those from Star Trek? [closed]

Force fields does not seem to be as surreal as the matter replicator or even teleportation or 3d holograms but I feel the workings behind it are hard to understand. I believe that to create stable ...
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6 votes
4 answers
1k views

What would a post-apocalyptic underground city be like after 1,000 years?

The city is modern/futuristic and is fairly large. It was designed to be self-contained, and has been sealed shut for a thousand years. All human residents died, so there has been no maintenance. ...
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21 votes
15 answers
5k views

Why would money or any other means of exchange need to exist if AI, robots, automation and nanotechnology produce all goods and services?

Let's say almost everyone is now jobless but almost all goods and services are made by machines including nanobot swarms and 3D printing. Even the government and the justice system in this futuristic ...
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5 votes
1 answer
104 views

Is it possible for a Stone-Age equivalent society to produce catgut sutures?

In my project, humans have gone extinct on Earth, and about 5 million years later, wolves have adapted to roughly human levels of intelligence, alongside raccoon-like front paws for grasping. The ...
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1 vote
3 answers
183 views

Organic replacement for AI

I’d like to go into a bit of backstory for my setting before I ask my question. I want to create a space opera setting that is set nearly 60,000 years in the future. Humanity has developed space ...
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  • 1,117
12 votes
15 answers
3k views

How do Time Keepers log their diaries?

Set in distant future, a group of super advance civilization formed a special task force to observe and guard timelines, and they are called Time Keepers. The Time Keepers will scan for spacetime ...
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-2 votes
1 answer
167 views

How common are men with feminine features and gynecomastia in a future where gender roles has become obsolete? [closed]

There is already a trend that gender roles are not as "serious" as they used to be and the criminalization of homophobia (here in Brazil at least) has helped many men to express femininity ...
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-1 votes
4 answers
141 views

Robot Creation and Copyrights

Let's say that in the year 2200 you can design and create your own android much like those ones of the game Detroit Become Human but instead of going to a store you customize and buy them using ...
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5 votes
1 answer
181 views

Bluejumpers - could insects evolve to detect bluetooth?

Evolved from fleas, 'bluejumpers' can detect frequenties around 2.4 GHz, which makes them sensitive to bluetooth devices. A neat trick to find hairy victims that are using smart wearables. Their sense ...
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7 votes
3 answers
187 views

Aerosoleans - How much do they eat?

Aerosolians or 'loopies' live on hypersonic trains. They stick to the sheetmetal and collected microbes from aerosols captured by tiny pockets in their skin. Because of the high speed they can collect ...
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3 votes
4 answers
189 views

Which group of events can cause global domination by a single country? [closed]

Background: The world is preferably a few hundred years in the future, and a single country (possibly one of our top powers, but other minor countries can work within reason), Has absorbed every ...
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0 votes
0 answers
53 views

What type of calendar can use people after colonization of solar system and other stars? [duplicate]

I'm making game about distant future where people colonized space. They live at Earth, Moon, Mars, Venus, Mercury, gas giants moons and also on exoplanets. If I use Earth calendar, it will be ...
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  • 109
7 votes
5 answers
1k views

If humanity develops and uses hydrogen fusion and then abandons Earth, would we leave behind large, stable deposits of helium byproduct?

I’m thinking of making airships and zeppelins very commonly used (for cool factor) in my pseudo-mid-20th-century novel, which takes place on Earth in the very far future, tens of thousands of years ...
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  • 1,165
17 votes
21 answers
5k views

Would blue-collar jobs still be done by people in a scifi setting?

I'm working on a space-opera type setting for a story I'm writing, and while doing so I've been thinking about a question that has been bothering me for some time now. The protagonist of my story is a ...
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3 votes
0 answers
151 views

Help with my ocean currents

First off, I'm really not good with designing ocean currents (I find the topic confusing and hard). But for my world which is basically just earth over 100 million years in the future, I need to ...
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23 votes
20 answers
4k views

How would a sci-fi matter replicator create a pressurised aerosol can?

Ensign James wakes up on the not-enterprise. Yawns. Showers, and gets dressed ready for work. Only to discover gasp, he's out of deodorant. He walks to the matter replicator and orders a can of "...
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0 votes
1 answer
104 views

The ultimate far-future fortress [closed]

In the year 4000, a single gigantic government authority controls the world. In the dystopian capital mega-city of "X" lies their core center of activity, where the highest of ranking ...
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  • 25
14 votes
20 answers
6k views

Why would humans want "mindless" human clones and even be legal?

In a far future humanity has advanced in the fields of A.I./robotics and genetics. Every household has an A.I. and robots/androids serving them, but strangely the humans prefer mindless clones to ...
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  • 249
4 votes
2 answers
165 views

What will Glacier Bay National Park look like in 2000 years?

I am working on a story that takes place roughly 2000 years after a worst-case-scenario climate apocalypse. It revolves around a society located in present-day Glacier Bay National Park on the Alaska/...
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4 votes
2 answers
811 views

First visible signs of human habitation on the Moon. What could we see from Earth?

Let's assume that one day there is a substantial human colony on the Moon. Much later, the Moon becomes terraformed. I'm trying to imagine when and what humans would first be able to detect with hand-...
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3 votes
1 answer
376 views

How many ships would an interstellar empire have in their navy? [closed]

So I'm writing a sci-fi space opera that takes place at a pretty realistic scale meaning even pretty small interstellar nations have millions of systems and the biggest ones have billions of systems ...
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22 votes
13 answers
9k views

If you lived 5,000 years, would you notice the continents moving?

I am trying to develop a story where it is based on Earth around the 42nd century and can't figure out if the continents would have made any noticeable/notable shifts. Any help is appreciated. Edit: I ...
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7 votes
3 answers
1k views

How long will life exist on earth, and what life forms are likely to be the last? [closed]

Scientists predict that in around 5 billion years, the sun's hydrogen will be exhausted, and the beginning of helium burning will result in the expansion of the sun to the point where the Earth will ...
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3 votes
3 answers
325 views

Lowest tech level to blow up the solar system

Background The year is XXXX, or maybe XX,XXX (or maybe even XXX,XXX, though that'd be less than ideal). Humanity has been prospering for the past few millenia, and has stretched out to the stars. I ...
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  • 133
4 votes
5 answers
205 views

Why do people below not know what the people up above look like?

Why would regular people not know what the rich people on Earth looked like? Setting details: I'm writing a story in which Earth is basically turning into trash. Not quite Wall-E level trash yet but ...
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1 vote
2 answers
143 views

Ability of frozen embryos to withstand many Gs, and the cosmological event horizon for a laser-powered sail ship?

I'm writing a book about a civilization started by humans who sent a laser-powered sail ship with AIs and frozen embryos to the edge of the cosmological event horizon (the furthest we can travel ...
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7 votes
8 answers
2k views

Selling real-estate in space. How can it be allocated and how can it be marked out?

Space is useful for storage. In the future there is a thriving space real-estate market. Generally speaking, space in orbit is more desirable than outer space but both have a market value. How can ...
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4 votes
3 answers
179 views

How to build a star-sized humanoid superorganism? [closed]

For whatever reason, humans in the far future want to build a star-scale humanoid creature. This massive lifeform would completely envelop a star in its chest area, turning the star into its "...
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22 votes
18 answers
6k views

What are plausible faster than light methods for a far advanced civilization that aren't a warp drive

Hopefully the title sums it up well, but I'm looking for potential faster than light travel (hoping for real or pseudo-real science here, as much as possible) that doesn't involve a warp drive, which ...
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  • 587
3 votes
1 answer
292 views

Could a colony on Neptune work?

My book is set far, far into the future, in a widely settled solar system. An expedition is sent to Neptune, and the expeditioners find out that there are massive cave systems reaching deep into ...
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  • 666
36 votes
16 answers
8k views

Signs of wealth in a world where private planet ownership is common

In my far-future world, owning a planet or moon is as common as owning a house. People usually have a large house, with an adjacent farm for their own sustenance that is usually tended by robots. ...
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5 votes
8 answers
1k views

What is the quickest way to kill someone using nanobots?

Assume a distant future where all humans have nanobots in their bloodstream that keep them alive indefinitely. Now let's say there is a way to override those nanobots so that they can instantly be ...
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4 votes
2 answers
136 views

Alternate power for projectile weapons [duplicate]

I am working on a series set a few hundred years in the future where fusion power is common and starships roam between planets. I am trying to think of a way to power small Arms weapons and keep them ...
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  • 885
4 votes
7 answers
2k views

Would a fully automated future society where everything is owned by the state still require taxes?

In this future society: All of Earth's resources can be accessed since the planet has one world government. All services and goods are owned, created, and distributed by the state. Every step of ...
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8 votes
8 answers
646 views

What would encourage multiple animal species to evolve human features simultaneously?

The setting is fifty-five million years in the future on Earth, with multiple humanoid species that have different ancestors, but share similar characteristics. Their ancestors would be animals that ...
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18 votes
9 answers
6k views

Is a modern dark age possible?

For context, I'm considering a story similar to the Netfilx TV show The 100 in which humanity has to recolonize the Earth following a major extinction-level event. I'm aiming for the society they ...
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  • 1,321
2 votes
3 answers
195 views

How would evolution be influenced by the remnants of humanities servant robots?

So let me explain the frame/world first, I actually think all of it is relevant as some details would probably have quite the impact on the outcome. I was hesitant to post the question as it's quite a ...
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  • 669
3 votes
1 answer
131 views

How would hands or hand-like appendages evolve from ray-finned fishes?

Tetrapods evolved fingers from the inner-bones of the fins of lobe-finned fish, could hands ever evolve from ray finned fishes if they were to become fully terrestrial, from a mud skipper ancestor?
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  • 737
38 votes
4 answers
8k views

Is it possible to maintain a gun functioning after thousands of years?

The gun in question is a normal, reliable and non-specialized .45 revolver. The idealized character is the last descendant of a lineage of carriers of this gun, considered by them legendary. Is it ...
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7 votes
2 answers
499 views

How soon does the Earth's surface re-solidify after the red-giant Sun is replaced with a different star?

(Note: This is a follow-up question to my previous one: Moved into further orbits to protect them, how much damage do Earth and Moon take when the Sun expands?) Thanks to clever stellar engineering ...
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4 votes
1 answer
292 views

Moved into further orbits to protect them, how much damage do Earth and Moon take when the Sun expands?

Short version A far future catastrophe burns/melts away large chunks of the Earth and Moon. For reasons related to my story's fantasy elements, the remains of the Moon have about one fifth their ...
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9 votes
6 answers
362 views

Mind Uploading and Childbirth

In a world where every human mind has been uploaded, and no organic humans remain, can we still produce offspring? In a worldbuilding project I'm dabbling with, there are many people uploading their ...
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4 votes
4 answers
394 views

Why would a technologically advance space-faring civilization still use physical currency?

In this world human civilization has reached the stars and now spans across multiple galaxies. Technological advancements such as neural implants, FTL travel, and FTL internet access are ubiquitous ...
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6 votes
5 answers
856 views

What species has the most chance of becoming the next civilised species? [duplicate]

I'm considering creating a world which take place on earth after all humans are dead/gone (we don't care actually). In this situation another/some other species develop enough to be a civilization. ...
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  • 292
7 votes
2 answers
700 views

How much energy does a bee/micro robot need per second of flight?

In my scifi setting small utility robot swarms are used for many purposes. I'm currently trying to estimate how much energy such a swarm would need to operate. Since biology, robotics and ...
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1 vote
1 answer
90 views

Alien preservation plan for Earth and human evolution [closed]

I've got an idea and would ask for you evolution enthusiasts: what if humanity could be forced to not travel around the earth and be forced to stay by some alien culture in their home habitats (...
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