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13.1k posts
 
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Q&A Would the Earth with 4 moons still be habitable?

I'm currently writing about an Earth sized planet that is 33% water and has 4 moons all the same size as our moon. All moons are 243,000 miles from the planet's surface and the planet takes 392 day...

2 answers  ·  posted 6y ago by Tom Holl‭  ·  last activity 6y ago by Tom Holl‭

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Q&A Space shipping lanes that use external systems, is it practical?

I've seen some cool art and scenes from the Cowboy Bebop which had trade lanes made up of what looks like large rings that accelerate and deccelerate a ship. I wanted to replicate a system like th...

3 answers  ·  posted 6y ago by Celestial Dragon Emperor‭  ·  last activity 6y ago by Celestial Dragon Emperor‭

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Q&A Quick solutions to a modern warning placed on the surface of a planet for future generations

In response to Write once perpetual storage, is such a thing possible? Separatrix pointed me at How could an ancient race warn the future in a universally understandable way? and How might modern h...

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

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Q&A On the Origin of Dwarves

I've been trying to come up with a genetically plausible origin for dwarves, but with little success. By dwarves, I'm talking about the jolly and burly people similar to that of Tolkien's dwarves. ...

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

Question creature-design
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Q&A Using dinosaurs as a mount

In a world where human and dinosaur co-exist, would it be a good idea to use dinosaur as a mount ? More specific questions : Is a dinosaur smart and docile enough to be ride ? Which species of ...

3 answers  ·  posted 6y ago by user53220‭  ·  last activity 6y ago by user53220‭

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Q&A What would a area of slower/faster time look like?

I've been thinking about doing something involving bubbles of stopped (already answered here), slowed down or sped up time. What would that look like for different speeds? Is there any way of ca...

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

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Q&A How might an economy in which multiple planets are involved function?

I created the above illustration to help convey my meaning, here is what everything means so that you can read it effectively: E = Earth V = Venus M = Mars The dots in the lower left hand cor...

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

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Q&A How would this super-earth world be? (Creature evolution)

I have a super-earth world. The surface of the world is shallower due to extra gravity, so shorter mountain ranges and less ocean depths. The world orbits a binary star system at a distance of the ...

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

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Q&A How long could a human being survive after being swallowed by a whale?

In the short story, a man is swallowed by a giant, fictional fish. In fact, he is swallowed whole along with his log cabin and a bunch of hand-crafted tools. In a "The Martian"-like narrative, he m...

8 answers  ·  posted 6y ago by Anthony Worman‭  ·  last activity 6y ago by Anthony Worman‭

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Q&A Why might obesity be seen as attractive in their culture?

So, on the Jungle world of Qualis, the Qualian species evolved from small, tiny lizards to intelligent humanoid who dominated their planet. They built cities, from small towns to large metropolises...

5 answers  ·  posted 6y ago by DT Cooper‭  ·  last activity 6y ago by DT Cooper‭

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Q&A Could there be a helium based life form somewhere in the universe?

I've been thinking, could there possibly be an organism that is based on the element of helium? If yes, what would it look like? (Images are welcome)

4 answers  ·  posted 6y ago by John Michailidis‭  ·  last activity 6y ago by John Michailidis‭

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Q&A Backing Futuristic "Credits" with Energy?

A lot of worldbuilders that I know and have spoken too, insist that unbacked currencies and items with constantly changing values would be what the economy is based on. I, however, am skeptical of ...

5 answers  ·  posted 6y ago by Tevo77777‭  ·  last activity 6y ago by Tevo77777‭

Question economy energy
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Q&A Evolution of intelligent drepanosaurs

For a story I require an intelligent [drepanosaur]. But to work with the plot the creature needs to still have traits that don't mix well with classical vertebrate evolution of intelligence. Requi...

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

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Q&A What mechanism can prevent super-healing heroes from accidentally budding?

We're all familiar with the heroes that can't die. Honey-badger (with the claws and the angry voice), Dreadpeel, that girl with the weird cheerleading obsession... Basically they all have the same...

19 answers  ·  posted 6y ago by Joe Bloggs‭  ·  last activity 6y ago by Joe Bloggs‭

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Q&A Amplifying soundwaves through manipulating air

One of my characters in my novel has the ability to manipulate air. Having the ability to snap his fingers and increase the sound so that it would damage the opponent through a shockwave. Could any...

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

Question reality-check
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Q&A Effect of a positron beam on a human body

I am planning to make one of my characters in my novel have to have an ability to create positron beams as an offensive ability. I wonder what the effects on regular matter like a wall or a body of...

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

Question science-fiction
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Q&A How to evolve a reptile into a wyvern, 100 million years in the future?

First of all I would like to precise what my species of wyverns actually are. I do not plan to make them huge and gigantic like in many fantasy worlds. Instead they are rather small and can be the ...

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

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Q&A Could mermaids feasibly make clothing out of natural rubber?

In a world I'm currently developing, I'm working on a merpeople equivalent (more or less physically identical to your bogstandard mermaids, for the purposes of this question), and I want them to we...

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

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Q&A How to absorb matter and transform it to energy

I'm writing the last issue of my comic and I'm in trouble. My villain is a member of a cosmic cult that wants to absorb everything in the universe to create a conceptual/energy pangea out of space ...

3 answers  ·  posted 6y ago by Roberto Diglio‭  ·  last activity 6y ago by Roberto Diglio‭

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Q&A Pseudo-simian descendants of the kinkajou

This is the kinkajou: It looks vaguely similar to a monkey - it has grasping digits on its forelimbs, it has a prehensile tail like some New World monkeys, and it primarily eats fruit - but it is ...

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

Question evolution humanoid
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Q&A Feasibility of floating city-sized forests

My world is essentially a Neptune-sized gas planet that got seeded with life and its surface layer filled with oxygen, therefore gaining a sizeable layer with Earthlike conditions. Within this la...

3 answers  ·  posted 6y ago by user199429‭  ·  last activity 4y ago by user199429‭

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Q&A Can blind people build a spaceship and land on the Moon?

This question is inspired by Could a species develop the tech necessary to land on their own moon without comprehending light? Consider following scenario: a civilization of alien tricksters abduc...

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

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Q&A What required secondary powers does my speedster need in order to be able to accelerate at 2,250 ft/s^2 without harmful effects?

This question was originally posted in the Sandbox. It's set in the same world as this question, but is not related to it. I have a speedster character whose top speed is Mach 2. She holds back ...

5 answers  ·  posted 6y ago by F1Krazy‭  ·  last activity 6y ago by F1Krazy‭

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Q&A Music Dragonfly via Perforations in Wings

Info I'm designing a prehistoric-dragonfly that has little holes or perforations in its wings. When the wind flows through them, they make music (the viability of flying with these wings will be c...

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

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Q&A Atmospheric mixing on walnut earth

Suppose we had an Earth-like planet based on Saturn's moon Iapetus. Iapetus has an equatorial ridge, 13 km high, which runs around it. Scaling that up to an Earth-sized planet, it would have a ridg...

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

Question atmosphere