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Q&A Would it be possible with current rocketry to go from Earth to Mercury and then come back?

Leaving aside the matter of how well would humans fare on the surface of Mercury (we only have to factor in the weight of their life support: air, water, food and spacesuits), and assuming material...

4 answers  ·  posted 5y ago by Davi‭  ·  last activity 5y ago by Davi‭

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Q&A How could Antarctica become its own independent country?

In the "Legend" trilogy and its sequel "Rebel", author Marie Lu envisioned a far future where Antarctica is a superpower decades after the United States splintered into two separate countries. The ...

9 answers  ·  posted 5y ago by Nathan Hopp‭  ·  last activity 5y ago by Nathan Hopp‭

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Q&A How might my futuristic interstellar civilisation have missed a Dyson swarm on their doorstep?

It's the future. The setting is about as "hard-ish sci-fi" as it is possible to be, with the one big exception of a viable FTL engine. Humans have began spreading out into the galaxy, colonising n...

12 answers  ·  posted 5y ago by MadScientist‭  ·  last activity 5y ago by MadScientist‭

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Q&A What average global temperature would optimize Earth for human habitability?

The year is 2100. While climate change has wrought serious damage to the biosphere, humanity has at last managed to become carbon neutral, and has even developed technology that can be used to redu...

3 answers  ·  posted 5y ago by ckersch‭  ·  last activity 5y ago by ckersch‭

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Q&A Could this uniquely shaped planet exist?

Now, I know that planets can't be disc-shaped. However, if a relatively small planet had a very strong magnetical pull, could it have a ring system that could make the planet from afar seem disc-sh...

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

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Q&A How to explain a planet with visible cosmos at daytime?

So I'm working on a fictional planet which would experience a daytime sky similar to this. This particular picture is from the movie Valerian: City of a Thousand Planets. Fictional alien atmosph...

3 answers  ·  posted 5y ago by JordanTheCynic‭  ·  last activity 5y ago by JordanTheCynic‭

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Q&A How would aliens abduct an entire nation of millions from a planet?

I am looking for as hard science answers as possible, but I am willing to bend some rules for a good answer. Assume they need to move 10 million 100 million people off of a planet what technology...

7 answers  ·  posted 5y ago by LukasExemplar‭  ·  last activity 5y ago by LukasExemplar‭

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Q&A Why don't ejectable fission reactors proliferate if meltdown is still a concern?

Set in the not-so-distant future, interplanetary travels are the norm. Most spaceships are powered by fission reactors, and accidents do happen due to negligence or flaws in the system. It will pro...

1 answer  ·  posted 5y ago by user6760‭  ·  last activity 5y ago by user6760‭

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Q&A How could human-like aliens survive on Pluto?

I apologize if I continuously ask different questions about different concepts for stories. It's just that I can never make up my mind on what to write, and sometimes, my ideas change. But anyway...

3 answers  ·  posted 5y ago by Daikyu Maryu‭  ·  last activity 5y ago by Daikyu Maryu‭

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Q&A What would the view from a spaceship traveling through inter-galactic space look like?

My character is traveling aboard a spaceship through inter-galactic space (it has left the Milky Way). The ship is traveling at the speed of light or so and has been for the last six thousand years...

1 answer  ·  posted 5y ago by marmel‭  ·  last activity 5y ago by marmel‭

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Q&A Is it possible for the body to turn to ash upon death

Say you see a fellow human walking on the street, nothing special, nothing new, but suddenly, BLAM, they're dead. You reasonably run away from the scene out of fear, but when you look back, the bod...

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

Question reality-check death
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Q&A Liquid-breathing piloted craft

Let us assume at some time in the near future, medical science perfects a biologically safe liquid air solution. It can fill up the lungs of the adult human subject and they can breathe it potentia...

3 answers  ·  posted 5y ago by Jem Baraka‭  ·  last activity 5y ago by Jem Baraka‭

Question space biology physics
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Q&A Anatomically Correct Gargoyles

This is a submission for the Anatomically Correct Series Gargoyles are a staple of Gothic architecture and I've decided to give these creatures the time of day. Gargoyles are closely related to Ny...

2 answers  ·  posted 5y ago by icewar1908‭  ·  last activity 5y ago by icewar1908‭

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Q&A Feasibility of a black-and-white FTL drive?

I have an idea for a faster-than-light spacecraft that I would like to run by the expert minds in this community for a plausibility check. Basically the interstellar ship itself is of unspecified d...

4 answers  ·  posted 5y ago by Jem Baraka‭  ·  last activity 5y ago by Jem Baraka‭

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Q&A Rights of AIs in far future

We've just started 36th century, humanity is colonizing stars right and left. Technology is well developed, you know, typical Sci-Fi stuff. In 23rd century we finally were able to create true AI. ...

7 answers  ·  posted 5y ago by Guy with jewels' names‭  ·  last activity 5y ago by Guy with jewels' names‭

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Q&A whats the highest a group of Yetis live?

A long time ago a group of proto-giants moved high up into a the Sodo-Himalayas. Yetis commonly live up on high mountain plains some of basic characteristics of Yetis are: are as intelligent as ...

3 answers  ·  posted 5y ago by icewar1908‭  ·  last activity 5y ago by icewar1908‭

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Q&A Are (near) instant data transfers feasible on an intergalactic scale?

Inspired partially by this comment on one of my answers, I got to thinking on what the quickest way to communicate would be on an intergalactic scale. Say humans have colonised the galaxy, and use...

4 answers  ·  posted 5y ago by Plutian‭  ·  last activity 5y ago by Plutian‭

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Q&A What would people on multi-generational ships eat?

Strange! this question does not seem to be on site with a search (only what to wear). I am concerned about the psychological aspect of food production and eating. Clearly tube food is out and I thi...

5 answers  ·  posted 5y ago by happyhacker‭  ·  last activity 5y ago by happyhacker‭

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Q&A What Else Could Reduce Global Sea Levels?

Anyone who has studied ice ages would know that during the last two-and-a-half million years of Earth's history, there have been periods where there was enough ice to suck up a lot of water. As a ...

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

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Q&A Swallowing solids without a tongue?

As a thought project, I wanted to make an alien species that eats without any use of the tongue, but I've run into the problem that it's almost impossible to swallow solids without choking without ...

5 answers  ·  posted 5y ago by Tardigreat‭  ·  last activity 5y ago by Tardigreat‭

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Q&A How could genetic engineering be used to create an opposite sex clone?

Do you think it will become possible to create opposite sex clones in the future? A male clone from a woman or a female clone from a man? I think it will become possible. To create a female clone ...

3 answers  ·  posted 5y ago by Sabrine Crystal Santos‭  ·  last activity 5y ago by Sabrine Crystal Santos‭

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Q&A Is a sulfuric acid dragon possible?

So, aqua regia is a somewhat safe material for a living being to work with, but the problem is that it isn't metal enough. Somebody suggested in an answer to another question, that dragons would f...

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

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Q&A What is a feasible timeframe for a super-reactor to obsolete all other energy sources?

A super-reactor was created by SRE, Inc (Super Reactor Energy), and it can provide as much clean energy as needed. There's no way to copy it or make another. It operates without problem or fuel - t...

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

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Q&A Feasibility of humanoids with bird heads

Humanity has spread out in the cosmos, colonizing various worlds, cataloging countless creatures, the usual interstellar species activities. One day, however, humanity finds a species that is argua...

1 answer  ·  posted 5y ago by RotNDecay‭  ·  last activity 5y ago by RotNDecay‭

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Q&A Anatomical Feasibility of a Humanoid Derived from Orangutans?

Of the living great apes, humans are most closely related to the chimpanzees and bonobos. We retain quite a few features from that side of the simian family, and it got me thinking about what a hu...

1 answer  ·  posted 5y ago by NixonCranium‭  ·  last activity 5y ago by NixonCranium‭