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13.1k posts
 
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Q&A How could I make similarly evolved "aliens" living in volcanoes more plausible?

I am writing a story, and it takes place in a solar system way far off from our own. One of the planets, Veynerth, is a dry, deserty planet, but in certain areas there is high volcanic activity. Ho...

1 answer  ·  posted 6y ago by Alyssa S.‭  ·  last activity 6y ago by Alyssa S.‭

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Q&A How to make sure humans do not know the meteorological phenomenon rainbow?

You've got to love the rainbow, it's an awesome sight. But I don't want humans to have the pleasure of seeing the rainbow. What change to the earth, atmosphere and so on, is needed so that humans ...

16 answers  ·  posted 6y ago by Rolf ツ‭  ·  last activity 6y ago by Rolf ツ‭

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Q&A What are the scientific issues with this method of dragons breathing fire?

I am including some dragons in the universe I'm building. Now, I have already decided that only baby dragons will fly, but I am having some problems with breathing fire. My current design: Dragons...

6 answers  ·  posted 6y ago by Budhaditya Ghosh‭  ·  last activity 6y ago by Budhaditya Ghosh‭

Question biology dragons fire
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Q&A Can a "dune" worm actually swim in sand?

I watched this video. A network of pipes blows air at the bottom of a bathtub filled with sand. The sand behaves just like water. Objects can float or sink in it. Children can play in it. So, my c...

2 answers  ·  posted 6y ago by Christmas Snow‭  ·  last activity 6y ago by Christmas Snow‭

Question creature-design
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Q&A Physiological adaptation of life on a planet orbiting a red giant.

Let's say there exists an Earth-like exoplanet which orbits a normal star, with a similar process regarding the evolution of life on earth, yet the star became a red giant during said evolution. A...

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

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Q&A Can a new volcano have metals inside?

If I were to use handwavium to raise a volcano in the middle of the sea, would it contain metals or ores large enough to be extracted by normal means, like mining with a pickaxe? Everything apart ...

2 answers  ·  posted 6y ago by Nuloen The Seeker‭  ·  last activity 6y ago by Nuloen The Seeker‭

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Q&A LED light or heating element?

To generate heat electrically inside a balloon for lift would a 20 watt LED light or a 20 watt heating element make more heat to lift a small closed hot air balloon droid and solar cell? Having a ...

9 answers  ·  posted 6y ago by Muze the good Troll.‭  ·  last activity 6y ago by Muze the good Troll.‭

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Q&A Physical qualities to distinguish an insular group of radioactivity survivors?

Immediately after the apocalypse, a call went out for able-bodied adults in what was considered a noble death sentence at the time: go out into the radioactive wastes and begin to neutralize the fa...

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

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Q&A Generating and storing power in a post-apocalyptic world

Say that an apocalyptic even takes place, a genetic disease wiping out most of humanity in a matter of years. So, there are no bombs, nuclear winter, or any sort of event that messes up the environ...

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

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Q&A Would Combined eyes be possible?

Imagine a animal with eyes that are a combination of arthropod compound eye with vertebrate eye,I visualize this like a eye with the sclera covered in a layer of compound eyes,or compound eyes with...

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

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Q&A Self defense on Mars

Here's the situation: Mars has been colonized in the near future "“ tens or hundreds of thousands of people live on Mars. For political reasons, EarthGov is against sending weapons to Mars; and, ...

12 answers  ·  posted 6y ago by cypher‭  ·  last activity 6y ago by cypher‭

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Q&A If there was a Counter-Earth on the other side of the Sun, when would it have been discovered?

Setup: We are in a alternate timeline where there is a Counter-Earth that always stays perfectly on the exact opposite side of the Sun from our Earth. It has about the same size and mass as our pl...

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

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Q&A What would the minimum mass of a water world need to be to form ice Vll, due to pressure, at its core? What about ice X, ice Xl, and higher?

I'm thinking of a planet in a Goldilocks zone similar to Earth's, with a similar atmosphere, and similar atmospheric pressure and temperature at the surface. Gravity would be variable, based on the...

3 answers  ·  posted 6y ago by KernelOfChaos‭  ·  last activity 5y ago by KernelOfChaos‭

Question planets physics
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Q&A How to justify a scarcity of sulfur minerals, and the impact this might have on a fantasy world

I want to create a convincing world where gunpowder is a rare and expensive commodity, allowing swords and plate armour to still be used effectively despite the world having current level of scient...

3 answers  ·  posted 6y ago by Jack Maggs‭  ·  last activity 6y ago by Jack Maggs‭

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Q&A Could an organism see in infrared light as well as normal light, using its brain to process what it sees into a single image?

Tl;dr: Humans create a composite image out out what each of their eyes see Humans process the two images into one using their visual cortex Humans can't see infrared because of a lack of photorec...

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

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Q&A How to speed up continental drift?

What could cause the continents to drift much faster than is today. I mean, much faster. Let's say it should take about 1-2 million years from this to this

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

Question geography geology
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Q&A How much will I have to modify my helicopter to have it fly supersonic?

As explained in this question, current rotary wing aircraft cannot surpass the speed of sound because of retreating blade stall and the fact that the sonic boom would literally rip off the rotor. H...

2 answers  ·  posted 6y ago by JSCoder says Reinstate Monica‭  ·  last activity 6y ago by JSCoder says Reinstate Monica‭

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Q&A Harvesting lightning from within the thunderstorm with a Faraday Cage

Lightning is abundant in some places in Earth. Attempts had been made it collect it. Laser triggered lightning below is the closest attempt. By the time it reaches the ground most of the powe...

1 answer  ·  posted 6y ago by Muze the good Troll.‭  ·  last activity 6y ago by Muze the good Troll.‭

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Q&A Effects of Hostile Environment on Population Distribution

In my world, humanoid races are an afterthought added by the gods only after they'd spent millennia treating the world as their personal canvas, designing it however they found most interesting. Th...

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

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Q&A Living buildings

I imagine a biological creature, let's call it 'Marco' for now. Marco can vomit living slimes that survive by attaching to the ground and by doing photosynthesis, at first soft can be shaped and...

2 answers  ·  posted 6y ago by Ekaen‭  ·  last activity 5y ago by Ekaen‭

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Q&A Long term living without sunlight

May be the wrong site, but researching for a writing project... What effect would there be on a group of humans living in a lightless and cramped environment (assume underground) for nearly 800 yea...

3 answers  ·  posted 6y ago by wolf‭  ·  last activity 5y ago by wolf‭

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Q&A Could a natural satellite in geosynchronous orbit be used as a counterweight to a space elevator?

Could a natural satellite in geosynchronous orbit be used as a counterweight for a space elevator? Does the counterweight need to be of approximately the same weight as the anchor? If so, I suppose...

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

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Q&A How do you get a thick atmosphere with less than earth-like gravity?

Basically: I want a highly viscous atmosphere but I want people to be able to walk around. I was thinking earth's gravity * 0.6 or similar. I was thinking that an atmosphere of Sulfur Hexafluorid...

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

Question atmosphere gas life
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Q&A How to transform matter from an immaterial state to another more solid state

Does matter, physical things that can be observed and measured by our five senses, have wavelength (or phase) the way that radio waves do, and if so can that be manipulated somehow? Let me explain....

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

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Q&A Lizard-like creatures "swimming" through the sand?

I have been designing a whole solar system for my story, and I am finally able to come down to creatures on the planets. I have already asked a question about one of the planets, Veynerth, so there...

3 answers  ·  posted 6y ago by Alyssa S.‭  ·  last activity 6y ago by Alyssa S.‭