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Q&A How would a humanoid naturally grow green hair?

I'm making a genus of elves, native to an African-like continent and I want them to have green hair that they put together to make grass like dreadlocks. Could they pull this off or are they goin...

3 answers  ·  posted 7y ago by Jordan Williams‭  ·  last activity 6y ago by Jordan Williams‭

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Q&A Longevity of Signs of Civilization on the Moon

I was just reading this question, which just got me thinking about whether evidence of civilization would last longer on the moon. Civilization What sort of civilization am I talking about? I'll ...

1 answer  ·  posted 7y ago by Dent7777‭  ·  last activity 7y ago by Dent7777‭

Question moons
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Q&A How would a human like species be able to swallow body parts whole?

My fantasy species has the ability to swallow small to medium appendages whole. They're known for biting off and swallowing hands and feet. A snake like jaw could work but how would it still mainta...

2 answers  ·  posted 7y ago by Jordan Williams‭  ·  last activity 6y ago by Jordan Williams‭

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Q&A With Vanadium Dioxide muscles, is it plausible for a creature to have many small muscles for finer control than with a few large ones?

Because vanadium dioxide experiences a sudden phase change at 67° C, instead of trying to make small changes to gradually contract or expand muscles, could an alien instead have many smaller muscle...

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

Question evolution aliens
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Q&A What is a poison that can be given to a comatose patient that requires another character to get an antidote?

Basically, I need one main character to be comatose and the other one trying to save him. The antagonist has to give the main character a specific time period to jump through hoops or whatever to g...

3 answers  ·  posted 7y ago by Elle Harte‭  ·  last activity 7y ago by Elle Harte‭

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Q&A Extremely huge dirigible/airplane hybrid feasibility

Hybrid dirigible airplane with an extremely large surface area on the top and bottom. Talking at least 100 km2. It would likely be several modular pieces put together, given its size. It would n...

4 answers  ·  posted 7y ago by Brooks Nelson‭  ·  last activity 7y ago by Brooks Nelson‭

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Q&A What would the Total Eclipse look like on a planet with rings?

The recent total eclipse, got me thinking about how it would look in my world. I have a earth-sized planet with a ring system, a couple of small moons and 1 or 2 bigger moons. How would a planet...

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

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Q&A What conditions are necessary to support lightless radiotrophic ecosystems?

There are few examples of radiotrophic ecosystems on Earth. Of those discovered, the radiotrophs are limited to single-celled organisms and unique mutant fungi. The reason seems to be due to a lac...

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

Question ecology
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Q&A How would I design a humanoid with retractable claws?

I am attempting to make my species of elves more alien to humans. My plan is to change their physiology in a very specific way. How realistic would it be for them to have retractable claws simila...

3 answers  ·  posted 7y ago by Jordan Williams‭  ·  last activity 7y ago by Jordan Williams‭

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Q&A Is there any real possibilities for build unbreakable aquarium?

Imagine technology, possible achievable in short time (maximum half of the century), that we can use to build aquarium that won't break because of internal damage (water pressure, badly distributed...

2 answers  ·  posted 7y ago by L24‭  ·  last activity 7y ago by L24‭

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Q&A Could elves realistically have tapetum lucidum?

I know that certain animals have the ability to see in darker areas but not in pitch black due to a special ability they have in their eyes which also gives them that glowing effect. Could elves ha...

1 answer  ·  posted 7y ago by Jordan Williams‭  ·  last activity 7y ago by Jordan Williams‭

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Q&A What would it look like for a planet with two moons and rings during a double eclipse?

Since we just had an eclipse, I began to think: what would it look like if a planet had rings and two moons? Now, there are two solar eclipses going on at the same time! What would the sky look l...

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

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Q&A How would a microscopic organism create kilometre long fibre optic cables from ice

My story premise is that a human expedition to Europa has happened and the travellers have tunnelled through the ice and formed a colony in the ocean. When they breached into the ocean, they disc...

5 answers  ·  posted 7y ago by Daniel Canlin Masterson‭  ·  last activity 7y ago by Daniel Canlin Masterson‭

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Q&A Life on a Non-Tidally Locked Moon

So I'm thinking about writing a fantasy and I want certain parts to be plausible (though I'm sticking way towards the end of soft sci-fi). In the world I'm creating there is a cataclysmic tide tha...

1 answer  ·  posted 7y ago by B0tanicus‭  ·  last activity 7y ago by B0tanicus‭

Question planets
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Q&A Can a Planet's Magnetosphere be Strengthened Artificially?

Premise One of the many conditions needed to support life (as we know it) is a planet with a surface protected from deadly radiation from a sun or even other sources. In the grand scheme of things...

2 answers  ·  posted 7y ago by Arash Howaida‭  ·  last activity 7y ago by Arash Howaida‭

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Q&A What could limit geographically a resource such as an ore to a specific spot on a planet?

In a world naturally formed where some magic exists but is mainly used by sentient species, I'm trying to come up with a more or less scientific way to explain how this special, rare ore (going to ...

19 answers  ·  posted 7y ago by CageyCat‭  ·  last activity 7y ago by CageyCat‭

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Q&A What do humans have that plants need?

Among other things humans are fertiliser. Orcs are capturing humans as slave labor and fertiliser. What do human bodies produce/store that plants need to grow?

2 answers  ·  posted 7y ago by WorldWeaver‭  ·  last activity 6y ago by WorldWeaver‭

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Q&A What could cause the desert?

I am wondering about this map, from the game Albion (not Albion Online): The island on the right (Umajo) is an arid one, mostly covered by sandy deserts, except for an area of savannahs at the ver...

5 answers  ·  posted 7y ago by IllidanS4 wants Monica back‭  ·  last activity 7y ago by IllidanS4 wants Monica back‭

Question climate deserts
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Q&A How hot can I make the insides of my spaceship before damaging crew too much?

Spaceships are a peculiar thing; as are the things inside them. Humans... Humids... Humies - the colloquial term for those crazy enough to make a living by crewing these hulks of metal. A special b...

1 answer  ·  posted 7y ago by dot_Sp0T‭  ·  last activity 7y ago by dot_Sp0T‭

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Q&A Is it possible for an asteroid belt to form around a sun?

Is it possible for an asteroid belt to form around a sun? Think of our asteroid belt, but instead of where it is now, it would be where Mercury is. Also, and I didn't have enough room to put th...

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

Question astronomy
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Q&A What possible scientific reasons could there be for a vampire to only be killable via wooden stake to the heart?

This excludes metal stakes, knives etc. to the heart, it's not the bleeding out that's the issue. Just for some reason, a wooden stake to the heart ends a vampire. Why? Assume the type of vampire ...

23 answers  ·  posted 7y ago by Jose Dzireh Chong‭  ·  last activity 7y ago by Jose Dzireh Chong‭

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Q&A How would fast rotation affect gravity?

I have a planet which was created by a God, who is experimenting with it by making it spin at an incredible speed. At the equator, the gravity is reduced to half by the centrifugal force generated ...

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

Question physics gravity
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Q&A Does the Triopticpelorovenatorius Baromassobrachiosaurus have a realistic muscle and bone structure?

The ground shakes as a colony of Triopticpelorovenatorius Baromassobrachiosaurus (T.B.) shamble across the forest floor. A glorious mix of blue, purple, and green colors shift under the treetops as...

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

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Q&A Scientific explanation for highly agressive infected

In a SciFi world I'm building with other people, we'd like to create a planet with an infection outbreak going on. There are wildlings. They are pretty primitive, have stone tools and wood houses. ...

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

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Q&A Capital space ships: Several large fusion reactors vs many smaller ones

A group of ships I've made are supposed to be modular in design with each modular hull segment being self sustainable both in terms of power needs and crew upkeep (oxygen, food, water, etc.) I've ...

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