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Q&A

Posts tagged far-future

Subtag of future

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Q&A High-Energy Exhaust Shielding for Far-Future Drive

Imagine a far-future spacecraft drive that accelerates its reaction mass to a small fraction the speed of light (say, 1,000 km/s). Say the mass flow rate to the drive were 1kg/s, and say the reacti...

1 answer  ·  posted 12mo ago by Josh Hyatt‭  ·  last activity 8mo ago by James McLellan‭

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Q&A How long will it be until the cosmic microwave background is undetectable?

I've had a number of interesting conversations with people about how the cosmic microwave background (CMB) will evolve in the future. The CMB is the sea of photons left over from the epoch of recom...

0 answers  ·  posted 2y ago by HDE 226868‭  ·  edited 2y ago by HDE 226868‭

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Q&A 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 tha...

8 answers  ·  posted 2y ago by Lizardsaurus‭  ·  last activity 2y ago by Lizardsaurus‭

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Q&A 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?

1 answer  ·  posted 3y ago by Double_S‭  ·  last activity 2y ago by Double_S‭

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Q&A 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 quit...

2 answers  ·  posted 3y ago by Stefan‭  ·  last activity 3y ago by Stefan‭

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Q&A 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, t...

3 answers  ·  posted 4y ago by A Lambent Eye‭  ·  last activity 3y ago by A Lambent Eye‭

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Q&A 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 engineerin...

2 answers  ·  posted 3y ago by Astrid_Redfern‭  ·  last activity 3y ago by Astrid_Redfern‭

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Q&A 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 or...

1 answer  ·  posted 3y ago by Astrid_Redfern‭  ·  last activity 3y ago by Astrid_Redfern‭

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Q&A 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 nanotechn...

2 answers  ·  posted 3y ago by TheDyingOfLight‭  ·  last activity 3y ago by TheDyingOfLight‭

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Q&A If an Alcubierre Drive is possible, can you communicate FTL without a vessel?

Assume that an Alcubierre drive is feasible. In fact, assume that one has been built. A superluminal starship can propel itself through space by distorting space in front of it and behind it. Howev...

3 answers  ·  posted 3y ago by kingledion‭  ·  last activity 3y ago by kingledion‭

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Q&A Realistic Interstellar Energy Transfer

I've been reading some of the excellent answers on this question about galactic empires and it led me to imagine a reasonably realistic multi-system 'empire' might keep most or all of its populatio...

2 answers  ·  posted 3y ago by 666lumberjack‭  ·  last activity 3y ago by 666lumberjack‭

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Q&A How to cause a surge in large carnivore diversity, roughly 5-7 million years hence?

I have had an idea for a possible story, where the protagonists are some kind of future, sapient hominid descendants (Not descended from humans; bonobos or gorillas or something). The main premise...

4 answers  ·  posted 4y ago by SealBoi‭  ·  last activity 3y ago by SealBoi‭

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Q&A How would a Type I civilization habitable planet be any different to a Type II civilization habitable planet?

This question is a different version of other questions that I have found here discussing a similar but different problem. The problem I'm facing here is about the excess or waste heat that an adv...

2 answers  ·  posted 3y ago by Abanob Ebrahim‭  ·  last activity 3y ago by Abanob Ebrahim‭

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Q&A Far Future, Space. Most plausible way to store short-term energy?

Please assume the following: A spaceship in the far future. Output: The ships systems have a high base demand of energy and sometimes you need extreme amounts of Energy in a very short period of ...

7 answers  ·  posted 7y ago by System‭  ·  last activity 4y ago by System‭

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Q&A How small can a perpetual energy source be to run a far-future civilization indefinitely?

You are the leader of a far-future civilization - human or otherwise - that has endured for trillions of years doing whatever far-future civilizations do. You've surrounded stars with Matrioshka br...

2 answers  ·  posted 4y ago by parasoup‭  ·  last activity 4y ago by parasoup‭

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Q&A 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 i...

1 answer  ·  posted 4y ago by William Davis‭  ·  last activity 4y ago by William Davis‭

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Q&A 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: ...

8 answers  ·  posted 6y ago by Lord Farquaad‭  ·  last activity 4y ago by Lord Farquaad‭

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Q&A Earth under one roof: Feasible?

Okay, so how feasible is it- if even possible- to put the Earth under 'one roof'? So here is the premise. The world is heavily heavily over populated, so overpopulated in fact that almost all of t...

7 answers  ·  posted 4y ago by Uncertainty‭  ·  last activity 4y ago by Uncertainty‭

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Q&A What is the most pratical/feasible method to replace the human digestion apparatus?

Objective: Replace the human digestion apparatus (stomach, guts etc) From my basic understanding the human body needs food, because it needs ATP (energy unit, some kind of sugar(?)) or you could s...

2 answers  ·  posted 4y ago by System‭  ·  last activity 4y ago by System‭

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Q&A How would an astronaut conclude he's on Earth, but 600 million years in the future?

Say we have a group of space travelers who have been frozen inside a sleeper ship for an enormous amount of time that left when Earth was recognizable. When they thaw out and reach their destinatio...

19 answers  ·  posted 5y ago by System‭  ·  last activity 4y ago by System‭

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Q&A 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 ...

2 answers  ·  posted 4y ago by Victorbrine Cassini‭  ·  last activity 4y ago by Victorbrine Cassini‭

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Q&A How plausible would a fully aquatic bat be?

So, it turns out that bats are actually pretty good swimmers; several species of bats have been reported swimming, and they're far more capable and agile in the water than they are on land: https:...

2 answers  ·  posted 4y ago by Aquar1animal‭  ·  last activity 4y ago by Aquar1animal‭

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Q&A 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 generat...

4 answers  ·  posted 4y ago by Dustman0‭  ·  last activity 4y ago by Dustman0‭

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Q&A Where would a dense population of human beings live underground?

By that, I don't mean what type of structures, I mean under which part of the Earth? It's an extremely densely populated nation. As densely populated as many major cities - think Hong Kong and more...

3 answers  ·  posted 4y ago by nondelicate‭  ·  last activity 4y ago by nondelicate‭

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Q&A Explosion contained in the depths of a crystal: how would it work?

Far in the future, I have a bomb about to detonate in the skies above my city, a real city/province killer. A hero dramatically manages to enclose the bomb at the moment of detonation in a living c...

3 answers  ·  posted 6y ago by EveryBitHelps‭  ·  last activity 4y ago by EveryBitHelps‭

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Q&A 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 ...

3 answers  ·  posted 4y ago by Kate26‭  ·  last activity 4y ago by Kate26‭

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Q&A 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 ...

2 answers  ·  posted 5y ago by SealBoi‭  ·  last activity 5y ago by SealBoi‭

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Q&A What would Earth's Land look like in the year 3000? would there be any significant changes at all in 1000 years?

I've tried researching this question myself, but the only data I can find is over huge timescales, like situations where the continents have reformed back into a Neo-Pangea. I'm not looking for an...

5 answers  ·  posted 5y ago by Sydney Sleeper‭  ·  last activity 5y ago by Sydney Sleeper‭

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Q&A Which is initially more favorable; large or small settlements in a new planetary colony?

I have a question that concerns a story I am writing and I hope it is a valid one to ask. But in my story, several groups of colonists, each arriving on different ships at relatively the same time...

13 answers  ·  posted 5y ago by Noah‭  ·  last activity 5y ago by Noah‭

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Q&A 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. Through...

6 answers  ·  posted 5y ago by Noah‭  ·  last activity 5y ago by Noah‭

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Q&A How can I tell I've travelled 20 million years into the future?

Story starts out about 100 years from now. While in orbit around Earth preparing for an interstellar mission, our spacecraft encounters some hand-wavey spacetime anomaly such that we're still in o...

7 answers  ·  posted 5y ago by John Bode‭  ·  last activity 5y ago by John Bode‭

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Q&A What mechanisms can I use to instantly materialize an object?

In a far-distant future Pascal enters the bridge of his intelligent space ship. He's a lazy bloke who can't be bothered to sit or stand, so he flicks his fingers and in a moment of Clarkian...

9 answers  ·  posted 5y ago by Undertonen‭  ·  last activity 5y ago by Undertonen‭

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Q&A 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 answers  ·  posted 5y ago by MedwedianPresident‭  ·  last activity 5y ago by MedwedianPresident‭

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Q&A Will interplanetary shipping even be necessary in a future with nanofabricators?

3-D printers, replicators, nanofabricators etc. are all technologies that, when pushed to their logical limit, seem to make the transport of finished goods obsolete when all you need to do to obtai...

10 answers  ·  posted 6y ago by Z.Schroeder‭  ·  last activity 5y ago by Z.Schroeder‭

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Q&A 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 ...

4 answers  ·  posted 5y ago by Uncle Tres‭  ·  last activity 5y ago by Uncle Tres‭

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Q&A 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 c...

2 answers  ·  posted 6y ago by Raven‭  ·  last activity 6y ago by Raven‭

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Q&A A few dozen Millennia after Yellowstone erupts, how close would a parking lot look to a natural Iron Vein?

I'm at the mall and Yellowstone erupts - My, and everyone else's car is covered with ash, fire, and maybe even lava. Lets say it was a big shopping day too, like Black Friday or Christmas Eve, just...

3 answers  ·  posted 6y ago by Sidney‭  ·  last activity 6y ago by Sidney‭

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Q&A 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 ...

1 answer  ·  posted 6y ago by Garnovski‭  ·  last activity 6y ago by Garnovski‭

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Q&A Can humans stop the Big Crunch?

So one theory of the universe is that eventually the universe will collapse, "The Big Crunch". And the cycle between Big Bang and Big Crunch has cycled previously and will cycle over and over agai...

4 answers  ·  posted 6y ago by Joe‭  ·  last activity 6y ago by Joe‭

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Q&A Could there be more than two poles on Earth?

So I was deciding on ways to end my world in a futuristic scenario, and I had an idea. As we all know, Earth has two poles, and these poles are moving constantly (Magnetic Poles are different from ...

3 answers  ·  posted 6y ago by Garto‭  ·  last activity 6y ago by Garto‭

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Q&A 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 t...

6 answers  ·  posted 6y ago by user6760‭  ·  last activity 6y ago by user6760‭

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Q&A Could an entire continent runs on a single fusion reactor plant by 2100?

Affected continent is Asia, the world is running out of coal and natural gas. A major mega structure project is underway, its goal is to provide electricity across the continent with a single fusio...

2 answers  ·  posted 6y ago by user6760‭  ·  last activity 6y ago by user6760‭

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Q&A Technology to create energy for a village of 200 people long term

Looking for options with at least some grounding in science: Several hundred years in our future, a group of wealthy philanthropists lavishly funded a colonisation project designed to create a Uto...

7 answers  ·  posted 6y ago by Jnani Jenny Hale‭  ·  last activity 6y ago by Jnani Jenny Hale‭

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Q&A 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 temper...

1 answer  ·  posted 6y ago by Zxyrra‭  ·  last activity 6y ago by Zxyrra‭

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Q&A 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 replicator...

3 answers  ·  posted 6y ago by user6760‭  ·  last activity 6y ago by user6760‭

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Q&A Physics Plus: Artifical Gravity in Space

This is the next piece in my question-series, you guys have been absolutely awesome in your answers to the first question: How to solve the old 'gun on a spaceship' problem? In this series, I try ...

9 answers  ·  posted 6y ago by System‭  ·  last activity 6y ago by System‭

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Q&A 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 h...

4 answers  ·  posted 6y ago by Xxy‭  ·  last activity 6y ago by Xxy‭

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Q&A 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 ...

7 answers  ·  posted 6y ago by System‭  ·  last activity 6y ago by System‭

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Q&A How to keep a machine running for thousands of years

How would I future-proof a complex machine or set of machines so that they will still be running 2000-3000 years from now? Is this possible with our current level of engineering and we just don't d...

4 answers  ·  posted 6y ago by Z.Schroeder‭  ·  last activity 6y ago by Z.Schroeder‭

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Q&A 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. Y...

1 answer  ·  posted 6y ago by EveryBitHelps‭  ·  last activity 6y ago by EveryBitHelps‭

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