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Posts by Green‭

49 posts
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Q&A The evolution of neon kittens

Given the existence of neon kittens with: the internal properties and mentality of normal kittens bioluminescent fur. What evolutionary process outside of intentional human breeding/gene manip...

5 answers  ·  posted 8y ago by Green‭  ·  last activity 8y ago by Green‭

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Q&A Exploration of a 50 mile high mountain

My friends and I are building a world with a 50 mile high volcano on it. The mountain is the result of some bored god deciding to play a joke on everyone. Or, some other god got angry and decided ...

6 answers  ·  posted 7y ago by Green‭  ·  edited 3y ago by Canina‭

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Q&A How would humans be affected by a 12-hour day?

6 hours of daylight, 6 hours of night, twice a 'day'. Mapped to our 24 hour days from midnight to 6am, it's darkness. From 6am to noon it's daylight. From noon to 6pm it's dark. Daylight from 6p...

posted 9y ago by Green‭  ·  last activity 9y ago by Green‭

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Q&A how would a spaceship helm "user interface" (flying controls) be designed in detail

User Interfaces are hard; really hard. Humans and ships, of any kind, at any scale, form two part systems. Together, they achieve whatever missions/goals the ship is meant to fulfill. Humans are ...

posted 6y ago by Green‭

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Rigorous Science Lethal Low Pressure Fronts

On a giant 50 mile high volcano, created and sustained by magic, there is extreme weather. Storms, high winds, snow, everything you'd find at the flanks of exceedingly high mountain. Explorers have...

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

Question weather geology
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Rigorous Science A localized artificial magnetosphere for Mars

Mars has a couple of problems with regards to colonization such as lack of atmosphere, lack of magnetosphere, weak sunlight, and a few others. Of concern in this question is how to shield human col...

1 answer  ·  posted 8y ago by Green‭  ·  last activity 8y ago by Green‭

Question humans mars
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Rigorous Science What would it take to build a ship capable of crossing the Pacific?

In my story, I have a small extended family of 30 to 40 individuals ranging in age from 0 to 50 who are on the run from Chinese and Japanese forces in 1400AD. No place in Asia is safe for them. By...

17 answers  ·  posted 9y ago by Green‭  ·  last activity 5y ago by Green‭

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Rigorous Science How would you designate targets for orbital bombardment?

Throwing big rocks at planets is so passe and any asteroid tug can do that now. The Intergalactic Arms Reduction Treaty forbids the intentional bombardment of a planet's surface with large asteroi...

5 answers  ·  posted 9y ago by Green‭  ·  last activity 6y ago by Green‭

Question technology weapons
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Rigorous Science Cloth-eating creature wants to eat synthetic textiles. How?

Based on this question and answer about a human sized creature that lives completely on textiles, how feasible is it for a creature to consume nylon and polyester to derive fats/lipids useful for b...

1 answer  ·  posted 9y ago by Green‭  ·  last activity 9y ago by Green‭

Question creature-design
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Rigorous Science Hot rods into space!

Based on this question about an impossible barbell planet, how hot would the bar be if it extended from halfway in the Earth's mantle to an altitude of 2r of Earth's radius? The diameter of the bar...

1 answer  ·  posted 9y ago by Green‭  ·  last activity 6y ago by Green‭

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Q&A Monster hurricanes to scrub islands clean

We have an Earth-like planet except the tropics around the entire planet are covered with small island chains and archipelagos. No landmasses larger than Cuba appear between 35$^\circ$ N and 35$^\c...

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

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Q&A An iron rain to starve a planet

I have a generic Earth like planet, same atmospheric composition, and the same oceanic composition. The crust of this planet is predominantly silicon based but plenty of iron, nickel and copper. ...

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

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Q&A Permitting Customizable UI for a Spaceship's Systems

User Interface Customization for Spaceship Controls; "In theory, practice and theory are the same. In practice, they're totally different." We often find that what we plan for isn't what actuall...

16 answers  ·  posted 6y ago by Green‭  ·  last activity 6y ago by Green‭

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Q&A Viable Social Groups for species with three sexes

Stable Social Structures for Species with Three sexes As a continuation of this question, I'm curious about the viability of long-term social groups with the following characteristics: There are ...

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

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Q&A Only Three Books: Restarting Chemistry after civilization collapses

Global famines have dropped the population to 1 billion people and global civilization has collapsed. In an effort to save future civilization some time, you want to provide some information to ki...

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

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Q&A The Transferable Skills of Sociopathy

Executive Summary Thank you for considering Chronograph Talent Consulting for your talent acquisition needs. We select the best talent from all previous periods of human history and make them ava...

3 answers  ·  posted 7y ago by Green‭  ·  last activity 6y ago by Green‭

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Q&A A pack of velociraptors in a modern ecosystem, that would be pretty horrible, right?

So there's been some industrial espionage committed against T-Rex Forever LLC. The method for how they acquired their T-Rexes has been stolen. Terrible Lizards Inc has acquired a mated pair of Vel...

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

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Q&A A double-bright Moon and plant growth

It's Earth and the moon with all parameters as they are in real life with one exception, the moon is twice as reflective as usual. Instead of an albedo of 0.12, the moon has an albedo of 0.24. This...

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

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Q&A Releasing a T-Rex into a modern ecosystem wouldn't be that bad, right?

T-Rex Forever LLC has a mating pair of Tyrannosaurus rex. They're a bit shady on how they got them, time travel, cloning...they won't say. Third-party biologists and paleontologists have examined...

9 answers  ·  posted 7y ago by Green‭  ·  last activity 7y ago by Green‭

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Q&A Volcanoes in Orbit!

Building on this question about space exploration on the slopes of a 50 mile high volcano, I'm curious what would happen when the volcano erupts. The volcano is: 50 miles high, just on the edge ...

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

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Q&A Adapting humans to a permanent 1.5g environment

Ten thousand random adults have been magically transported from Earth to an Earth-like planet with a surface gravity of 1.5g. The planet is otherwise completely habitable (enough sun, the right te...

8 answers  ·  posted 7y ago by Green‭  ·  last activity 7y ago by Green‭

Question evolution humans
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Q&A Initial conditions for a fluorine hellscape

I'm curious what it would take to get a planet with so much free fluorine that you can have an atmosphere of predominantly or purely fluorine. I realize how improbable a planet like this is, so I'm...

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

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Q&A Formation of a planet with a mercury core

Building on this question about the magnetosphere for a planet with a substantial mercury core, what is the proto-planetary environment required to form a planet with a mercury core? Specifically,...

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

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Q&A How to communicate when humanity is deaf and dumb?

This question is focused on a purely chemical messaging system for humans that provides the same degree of nuance that spoken human languages convey now as well as all the information that smells c...

4 answers  ·  posted 8y ago by Green‭  ·  last activity 7y ago by Green‭

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Q&A Would humanoids from high gravity planets be smaller than us?

The usual characterization of humanoids from high gravity planet is that they are stockier with thicker bones and larger muscles and this assumption isn't far fetched. Heavy animals on earth have ...

2 answers  ·  posted 8y ago by Green‭  ·  last activity 5y ago by Green‭