rek‭

This user was automatically created as the author of content sourced from Stack Exchange.

The original profile on Stack Exchange can be found here: https://worldbuilding.stackexchange.com/u/25189

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Q&A Procedurally generating a galaxy's worth of names

Background I am investigating the practical utility and limitations of a procedural-generation-based naming scheme for stars and other notable or significant interstellar structures (e.g. nebulae,...

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

Question mathematics terminology names

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Q&A Are there any benefits to a large body of water in a space habitat?

The classic example of a cylindrical space habitat, Clarke's Rama, has a 10 km-wide ring of water at the middle. Most depictions of this O'Neill-style of habitat do something similar, placing a lar...

9 answers · posted 8y ago by rek‭ · last activity 8y ago by rek‭

Question space space-constructs megastructures gas

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Q&A Which conditions would make aerial filter feeding successful?

Premise On Earth the seas have numerous filter feeding species, large and small, sustaining themselves on the microscopic nutrients and organisms that drift in the current. The largest animal evol...

7 answers · posted 9y ago by rek‭ · last activity 8y ago by rek‭

Question biology evolution xenobiology

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Q&A Are there any natural forms of communication as robust as speech/vocalization?

Vocalization has a number of features that make it a very robust natural form of communication: Variable volume from whisper to shout, roughly scaling from direct to omnidirectional; Equally effe...

10 answers · posted 9y ago by rek‭ · last activity 8y ago by rek‭

Question biology communication xenobiology

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Q&A Is this subspeciation plausible?

Below is a diagram showing transverse cross sections of skulls representative of the two subspecies (A and B) of the Trilateral* species. Is it plausible that such obvious differences "“ noting the...

3 answers · posted 8y ago by rek‭ · last activity 8y ago by rek‭

Question biology evolution xenobiology species

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Q&A Neurological supercharger out of thin air

Some speculation on a neurological supercharger for a sapient alien species: The supercharger is a natural biochemical compound of some sort produced and stored in a specialized brain-adjacent o...

3 answers · posted 9y ago by rek‭ · last activity 9y ago by rek‭

Question biology evolution creature-design brain xenobiology

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Q&A What is the best form of powered vehicular flight within a McKendree habitat?

Background A McKendree cylinder is a spinning space habitat in the style of an O'Neill cylinder (below), but orders of magnitude larger. McKendree habitats are hundreds of kilometres in diameter a...

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

Question flight megastructures light gas science-fiction vehicles

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Rigorous Science The Great Deoxygenation Event

Assume an Earth-like or super-Earth terrestrial planet in a state comparable to Precambrian or Archaen Earth. The atmosphere is mainly nitrogen and carbon dioxide, perhaps some methane, but very li...

2 answers · posted 8y ago by rek‭ · last activity 8y ago by rek‭

Question biology atmosphere xenobiology biochemistry

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Q&A Could a habitat ring be spun-up and stabilized by electromagnets?

Using the following dimensions (and assuming any material characteristics necessary to maintain structural integrity), could a Standford Torus-style artificial habitat achieve the necessary spin to...

2 answers · posted 9y ago by rek‭ · last activity 9y ago by rek‭

Question space space-constructs engineering

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Q&A Evolution of ophidian sapience and caudal tool use

What natural environmental pressures or opportunities might drive an alien ophidian species to evolve sapience and caudal tool use? Conditions The species should be lacking limbs prior to the e...

8 answers · posted 10y ago by rek‭ · last activity 9y ago by rek‭

Question evolution fauna creature-design sapience tools

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Q&A Barycentric influence on plate tectonics

Setting A binary planet system consisting of two terrestrial planets (hereafter Alpha/Î± and Beta/Î²). The system barycentre (C) is between the two planets; for the sake of this question the exact...

3 answers · posted 10y ago by rek‭ · last activity 10y ago by rek‭

Question planets orbital-mechanics geology

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Q&A Heterochiral biosphere: a two-handed world

Original post: Imagine a world in which both left- and right-handed chirality appeared and evolved into a variety of complex organisms comparable to post-Cambrian Explosion Earth (both plant an...

3 answers · posted 10y ago by rek‭ · last activity 8y ago by rek‭

Question biology reality-check evolution xenobiology

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Q&A Designing a flag for Mars: drag and proportion

I've been thinking about flag designs for colonies on Mars, and something occurred to me. The "official" Flag of Mars has a critical flaw The average wind speed on Mars is 10 m/s (20 mph); the fa...

9 answers · posted 10y ago by rek‭ · last activity 8y ago by rek‭

Question mars

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Q&A Stabilizing a McKendree Cylinder Habitat

Background A McKendree cylinder is a rotating cylindrical space habitat comparable to the more well known O'Neill model. It was proposed by NASA engineer Thomas McKendree in 2000 as an update of O...

9 answers · posted 9y ago by rek‭ · last activity 8y ago by rek‭

Question space space-constructs engineering

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Q&A O'Neill/McKendree Looping River

Is there a way to design a river system in an O'Neill/McKendree-style cylindrical habitat to passively feed into itself in an endless loop, from one end of the habitat to the other and back again? ...

7 answers · posted 9y ago by rek‭ · last activity 8y ago by rek‭

Question water megastructures gas engineering

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