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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3answers
236 views

Would agriculture cease to exist after the proliferation of replicators?

In a distant future, humans have colonized every corner of the solar system, and we can easily convert any object into anything else - be it food or a tricorder, you name it. Using these replicators ...
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2answers
524 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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2answers
330 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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10answers
882 views

Robots are superior than humans. Prove importance of emotions to them

Scientific research in 3097 proves that emotions are a flaw to the creature genetic code. Creatures capable of emotion are to be terminated immediately. Creatures will have their brains upgraded to ...
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7answers
3k views

Is a Utopia worth it? [closed]

In a far away future, when/where technology has erased scarcity, competition and poverty, what purpose does civilisation still have? Suppose a civilisation reaches a level at which it can harvest ...
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3answers
1k views

Cauterizing a wound with metal?

I am wondering if scientifically it is possible to cauterize a wound using molten metal. I was thinking of a character whose wounds and scars were healed with metal, leaving her with spots and ...
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4answers
518 views

Regenerative ability caused by radiation

I know it looks like a lot of topics but hear me out here. I am not talking about some nonsense explanation for this ability but more of an evolutionary process. Imagine that for numerous ...
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6answers
358 views

What hardships would humans face colonizing a nearby habitable world

My story involves a groups of colonists from a near post-apocalyptic Earth settling on a nearby, newly discovered habitable world, each colony separated and unknown to the others initially. Throughout ...
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5answers
409 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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8answers
1k views

Eventually, can the human race achieve omniscience?

I'm working on a story that deals with an inordinate leap into the future and was wondering what leaps and bounds in science the human race may have reached by then. So here's what I'm wondering: ...
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2answers
852 views

How to evolve fully terrestrial sharks, 100 million years in the future?

This is part of the same world I am making that this question I once asked is set in: How to evolve a reptile into a wyvern, 100 million years in the future? I might call these questions related to ...
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3answers
936 views

What could the side effects be for long-term Cryosleep?

I’m writing a story about someone who is going to be frozen in cryo for about 450 years. He’s frozen in 2120, so the technology is certainly well-developed in his time. I’m thinking maybe the cryo pod ...
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4answers
677 views

How can we stop the Earth's core from freezing?

According to this, the Earth's core will be frozen 2.3 billion years from now. Assuming humans still live on Earth, (a much smaller and inconceivably more technologically advanced population) how ...
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5answers
367 views

“Great Firewall of China” in an era of ubiquitous wireless internet

TL;DR: in a world with hyper available internet, could a despotic state impose national censorship? BACKGROUND/FLAVOR: "Back in the before times during the long long ago, there was a network of ...
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7answers
1k views

What would be the mass source for a futuristic retreat's reactor?

Consider the following: We have a city, designed to be a retreat. Everything consumed and needed by the population is created via a machine in the middle of this stronghold. This machine is able to ...
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4answers
8k views

How long would guns stored in oil be operable?

Similar to this question but with some specifics. In the TV show The 100, the kids find a cache of assault rifles in the equivalent of a munitions dump. 97 years have passed since the latest ...
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2answers
1k views

How would our sky look like 100 million years in the future?

Right, you are standing on Earth 100 million years in the future and observing the sky. What would you see during night and how would a day look like when you look up. Weather is not relevant (no ...
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4answers
401 views

Is there a reliable way to store all stable elements?

This is a follow-up to question about a transmuting 3D-printer Assume you need to store all stable elements in a spaceship. On board, a chemical assembler is used to compose everything, if you have a ...
5
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1answer
508 views

Halfday planetary scan: what do you get?

Due to an unforeseen malfunction your intergalactic spaceship suddenly drops out of hyperspace and comes to a near full stop. The ship is damaged, and will need to be evacuated soon...very soon. You ...
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1answer
370 views

Would it be possible to create a machine that (safely) split atoms and rearrange them differently?

I'm currently working on a story and I'm having some interrogations about the plausibility of a civilization. Quick backstory: Humans had to abandon Earth a few thousand years ago for the classic ...
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7answers
1k 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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5answers
308 views

How could the government not prevent a medical company from helping terrorists? [closed]

Recently, the government has found out that the biggest medical corporation (responsible for plenty of technological progress) has been financing and providing material aid to an organization ...
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3answers
367 views

Could a more convenient form of energy transfer/storage than electricity be possible?

I was thinking about the progress that has been made in terms of energy usage for e.g. transport purposes and noticed how the prominent source of energy had changed over time: first muscle power, then ...
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2answers
2k views

Why certain (sub)cultures would reappear in a far future?

In my world, I want to create cultures resembling cultures of old Earth ages. This applies both to state structure and culture. (e.g. ancient Egypt revival) Since this does not happen spontaneously, ...
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5answers
2k views

How long will our technology last?

Say there's some sort of apocalypse. A few hundred years from now, the ruins of our civilization will still be standing, but what about our technology? Obviously computers, robots and complex vehicles ...
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2answers
815 views

Post-apocalypse: large mammals erased, can homo sapiens 2.0 build civilisation?

Humans managed to erase themselves from existence, taking a large part of Earth's higher mammals (apes, cats, dogs etc) with them. Millions of years later, the biosphere has recovered and biodiversity ...
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6answers
173 views

Would spacecraft 's trafficators be necessary?

Year 2317 C.E. traffic report: heavy traffic expected along upper Curiosity sector H-311 going towards Juno boulevard, there is an accident at Exit C right lane, so vehicle leaving for Europa via this ...
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2answers
303 views

How to leave a message for the future?

I want my novel's protagonist to leave a diary on the dying planet Earth for some far-in-the-future being to read. He wants to leave some kind of marker/clue (or perhaps timepiece) for this future ...
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2answers
260 views

How would a big cat evolve to climb on and jump between ruined modern buildings?

So, in a post-apocalyptic setting, when humans have gone extinct and their cities fell into ruin, I was wondering what animals might evolve to conquer the ruins of our cities. Notice: I know that all ...
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4answers
384 views

On the unsustainability of exponential growth [closed]

Greg Egan was the first I heard talking about how exponential growth is unsustainable. He talked about it from a hard sci-fi standpoint, noting that you are limited to cubic expansion once your ...
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3answers
142 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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1answer
469 views

Interstellar Propulsion for Hard Sci-fi Novel

Hypothetical: Hundreds of years into the future. Humanity needs to travel to exoplanets quickly. I'm aiming for hard sci-fi. What kind of propulsion can travel people at 0.1 - 0.9 lightspeed? Is it ...
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2answers
1k views

Could a quantum computer be able to simulate a universe? [closed]

Is a quantum computer able to simulate an artificial universe like The Matrix or is that technology not advanced enough?
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3answers
314 views

Can the Great Race of Yith's record-keeping actually last for eons? [duplicate]

I was researching the alien races of H.P. Lovecraft when I came across this passage: For those unaware, The Great Race of Yith are so named because they've mastered time travel as a means of living ...
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2answers
99 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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1answer
227 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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2answers
177 views

Long lifespans and risk aversion [closed]

Suppose in all types of medicine will be sufficiently advanced to enable very long life spans (many thousands of years +). I imagine that a cure for pretty much all diseases, disorders and morbidities ...
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4answers
231 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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4answers
561 views

What evolutionary history supports sapient felines?

So, I have a story in which all of humanity flee's the Earth. The reason as to why they left is out of the scope of the question. After they leave, I want for the domestic house cat (or some other ...
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2answers
103 views

How could Earth's geography be altered by multiple asteroids? Evacuated and later repopulated [closed]

I am curious if anyone has feedback about a scenario in which, say 500 years or so in the future (assuming AI and biotechnology and interstellar travel are all advanced), a series of asteroids is ...
3
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1answer
215 views

Dystopian Future | Moon Destroyed What Would Our World Look Like in 500 years? [duplicate]

This question came to me after reading this question on the Astronomy Page, and having a length discussion with colleagues about the 2002 movie "The Time Machine". As a result I am looking for hard-...
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3answers
295 views

How to sort the family, genus and species of animals from the future? [closed]

I have a project depicting various animals and how they would evolve over 50 million years, and all of them have scientific names. I recently learned the genus of the animal had to be the first word ...
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1answer
172 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 ...
3
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3answers
190 views

How could Earth be propelled into a further orbit?

In my story, technologically advanced aliens create a "white hole" at the center of the sun that constantly spits out matter (hydrogen) from a parallel universe, increasing the star's mass quickly. ...
3
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5answers
230 views

Can our civilisation create an artifact / time capsule to transfer knowledge to the next intelligent species?

The government of a rich country decides that it's time to create a time capsule to store our scientific knowledge so that in the case of a global disaster (meteor impact, nuclear apocalypse, etc.) ...
3
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1answer
228 views

How will the first New Martians evolve?

Mars gets somewhat nice In about 1.6 billion years, the sun's habitable zone will have moved outward, increasing the carbon dioxide in Mars's atmosphere. According to Wikipedia, its surface ...
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1answer
98 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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4answers
176 views

Predicting the route of enemy spaceships?

In my universe there are more than just one FTL method: Wormholes, Warp, Hyperspace and more. The thing is I need to predict the destination of an enemy fleet. I only can think about spies and ...
3
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1answer
283 views

How to get clones to look identical to original?

Far in the future, or not so far future, scientists finally manage to create healthy clones of animals and people. These clones, unlike the pioneering Dolly, will have no medical side effects and can ...
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6answers
169 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 ...