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13.1k posts
 
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Q&A Flying Nightmare

I found this thing source: http://aliens.wikia.com/wiki/Flying_Nightmare In its dormancy it folds itself and it rooted to the ground. However when it detects prey, it hovers above and engulfs i...

4 answers  ·  posted 6y ago by Jean-Abdel‭  ·  last activity 6y ago by Jean-Abdel‭

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Q&A Clouds on a planet surrounded by a giant "meridian" wall

I am writing a fan-fiction (thus the world that my story is set in is not mine though some modifications can be done in accordance to my story's timeline and setting in relation to the canon univer...

4 answers  ·  posted 6y ago by Victorbrine Cassini‭  ·  last activity 6y ago by Victorbrine Cassini‭

Question atmosphere clouds
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Q&A Human-fungus symbiotic species

Researching a lot about fantasy, I've always had interest of mushroom humanoids, but I wanted to put my own twist on them. Instead of sentient mushrooms, I wanted to have a humanoid species infecte...

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

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Q&A Atmospheric Conditions leading to different colorations

What kind of atmosphere would a planet need to alter the color of the sun and moon? I know this is rather broad, but I know that a certain gas in our atmosphere colors the sky blue, and gives the s...

2 answers  ·  posted 6y ago by Wolfgang Yharnum‭  ·  last activity 6y ago by Wolfgang Yharnum‭

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Q&A Is it possible for an ancient contraption to survive modern-day attempts of breaking in?

Some Context I watched a generic Da-Vinci-Code-like french movie that, in a certain point, featured a secret society trying to find an item of great value that was lost in a vault built centuries ...

10 answers  ·  posted 6y ago by Magus‭  ·  last activity 6y ago by Magus‭

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Q&A Pandora- superorganism eywa

I've recently became curious about the moon wide super organism on Pandora known to the natives as Eywa. Eywa is theorized by human scientists to be a superorganism of all living things on Pand...

1 answer  ·  posted 6y ago by Wither Fang136‭  ·  last activity 6y ago by Wither Fang136‭

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Q&A Biological padding?

Designing living creatures is hard, so I came up with a generalized idea to speed up the process in the future: Biological padding is a spongy structure made of spider silk and filled with either ...

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

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Q&A How to explain life on a moon orbiting a non-habitable planet

For story purposes, I am building a world where all life exists on the moon of a non-habitable planet (the moon is not tidally locked). How can I explain this in a convincing and mostly scientific ...

8 answers  ·  posted 6y ago by Aric‭  ·  last activity 6y ago by Aric‭

Question moons
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Q&A Plausible way to curse humanity to a pre-industrial society?

It's common in sci-fi for large medieval-esque populations of humans living in the ruins of a former technologically advanced civilisation. My story is one of these, with a large population of huma...

10 answers  ·  posted 6y ago by Ummdustry‭  ·  last activity 6y ago by Ummdustry‭

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Q&A An Organic Polymer that can be hardened into a glass like substance?

Continuation question from this: The Biology behind a slime that uses hydrofluoric acid to disable and digest prey. I've designed a slime that has a bunch of acids and non reactive polymers in its...

1 answer  ·  posted 6y ago by Clay Deitas‭  ·  last activity 6y ago by Clay Deitas‭

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Q&A What phonemes are most recognizable underwater?

In my fantasy world, there has been a longstanding presence of underwater civilizations, both alongside and independent of surface-based kingdoms. In the style of Tolkien's Beleriand, various conti...

2 answers  ·  posted 6y ago by Enthusiastic Leviathan‭  ·  last activity 6y ago by Enthusiastic Leviathan‭

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Q&A What would happen to the ecosystem if you mixed large amount of powdered silver into a lake?

Basically what would be the long term effect on the health of ecosystem of a lake if tons of powdered silver is mixed into a lake? This question comes from a hypothetical situation where a lake ha...

2 answers  ·  posted 6y ago by Ian Hagen‭  ·  last activity 6y ago by Ian Hagen‭

Question biology
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Q&A The land grows evil and corrupted ... but why?

BACKGROUND A corruption has seized hold of the land, turning great swathes of it into a poisonous waste that humans may only enter at their peril. Perhaps all who enter the waste grow sick or go m...

25 answers  ·  posted 7y ago by Random‭  ·  last activity 7y ago by Random‭

Question apocalypse
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Q&A How could the current model of the Solar System have been recognized and accepted earlier?

Many factors in history have contributed to society's taking a long time to accept the heliocentric (= the Earth orbits the Sun) model: the first that come to mind immediately are religion and, mor...

10 answers  ·  posted 7y ago by Hankrecords‭  ·  last activity 7y ago by Hankrecords‭

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Q&A Would an island where the majority of the rock is lapis lazuli be feasible?

While the reasons for it's existence do not matter as it is part of an artificially created planet, I am curious if a lapis lazuli island would be able to survive erosion and support Earth-like lif...

1 answer  ·  posted 7y ago by RaptorBricks‭  ·  last activity 7y ago by RaptorBricks‭

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Q&A Is this model possible? Fast axial precession + tidal locking

I'm working on a story set in a planet of permanent dusk/dawn, and with a dark side that never sees the light of sun. I know that a planet tidally locked to its star would (roughly) look like this,...

2 answers  ·  posted 7y ago by MoholyNagy‭  ·  last activity 7y ago by MoholyNagy‭

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Q&A How long would it take for one hundred couples to have one million descendants?

Let's say an isolated colony is established in an ideal environment with the goal of growing the inhabited human population as quickly as possible. Health care is provided for them by managers, or ...

7 answers  ·  posted 7y ago by Hooded_Dreamer‭  ·  last activity 7y ago by Hooded_Dreamer‭

Question biology humans
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Q&A Could a microbe plausibly generate lift gas for manned balloon flight?

QUESTION I was thinking about ways of justifying practical balloon flight for a pre-industrial civilization, when I remembered that some microorganisms produce methane, and better yet, hydrogen. ...

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

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Q&A Can ice asteroids cause an icy ship

Question If a ship went through an asteroid belt where the asteroids are mostly ice, could the ice in any way transfer onto the ship and give it coatings of ice in various places, or would there b...

2 answers  ·  posted 7y ago by Pyromaniac Mariner‭  ·  last activity 7y ago by Pyromaniac Mariner‭

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Q&A Can a radioactive moon affect life on a planet?

This question is meant as a reality check on this answer to The land grows evil and corrupted ... but why? Radioactive moon in a nearly geosynchronous orbit. It slowly kills or alters all li...

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

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Q&A Colonizing the galaxy by slow boating reality check

Humans like to explore and seem to have an almost instinctual need to expand. After spreading throughout the solar system and even into the Oort Cloud they decided that humanity should follow the r...

15 answers  ·  posted 7y ago by Dan Clarke‭  ·  last activity 5y ago by Dan Clarke‭

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Q&A "Rich mix" methane/oxygen atmosphere on a planet -- how would life develop?

Let us assume we have a rocky planet by the name of Pyros orbiting a single star, the Star of Random. It has an atmosphere consisting of 77% methane, 21% oxygen, 1% water vapor, and 1% other gases...

2 answers  ·  posted 7y ago by Shalvenay‭  ·  last activity 4y ago by Shalvenay‭

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Q&A Habitable planet in a multistar system

I'm trying to design a world in the Alcyone A system of the Pleiades. Alcyone A consists of three stars. The main star is 3.4-3.8 solar masses. There is a very low mass star < 15 million miles ...

2 answers  ·  posted 7y ago by Ryan Russell‭  ·  last activity 7y ago by Ryan Russell‭

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Q&A How advanced could someone make a firearm with Medieval Technology

Assume I have someone who doesn't age, and has a lot of time to learn any skill or experiment with things, but who was born and raised (prior to becoming ageless) in a medieval farming village. He...

9 answers  ·  posted 7y ago by Marshall Tigerus‭  ·  last activity 7y ago by Marshall Tigerus‭

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Q&A How long would it take to build a colonization ship?

I am creating a history for my galactic civilization, and was thinking that the first colonization ship might be launched around the year 2200. World War Three Just a few years from now, a third ...

3 answers  ·  posted 7y ago by ScienceKeanu‭  ·  last activity 7y ago by ScienceKeanu‭