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13.1k posts
 
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Q&A Can quantum spin be converted to macro systems?

I'm designing an FTL system for a new universe, and I'm trying to figure how 'plausible-sounding' this thought is. The idea is that space is tangled and twisted in twelve dimensions, so that dista...

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

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Q&A Can a galaxy be formed from a black hole?

I'm writing creative text and I'm curious to know, just as possibility, can a galaxy by any chance be formed out of a black hole?

3 answers  ·  posted 4y ago by 01e5Dk‭  ·  last activity 4y ago by 01e5Dk‭

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Q&A Would caves in general be practical lairs for a dragon?

So, I was writing an outline for the battle between a dragon and a bunch of humans. However, a key component of the humans' battle plan was to place a hidden stash of ballistae near the entrance wh...

1 answer  ·  posted 4y ago by Mephistopheles‭  ·  last activity 4y ago by Mephistopheles‭

Question dragons
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Q&A Could my leviathans exist?

Leviathans are closely related to hydrophis spiralis. Some characteristics of these leviathans include: continuing to grow until they die and are able to grow almost as large as a blue whale are ...

1 answer  ·  posted 4y ago by icewar1908‭  ·  last activity 4y ago by icewar1908‭

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Q&A Keratin biosynthesis and human hair straightness/smoothness

Some people straighten their head-hair with what's named: Keratin straightening Keratin smoothening Keratin rebonding Keratin treatment It is an external hair straightening procedure in wh...

1 answer  ·  posted 3y ago by deleted user  ·  last activity 3y ago by Olin Lathrop‭

Question hair
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Q&A Effects of not growing up?

Let's say I have a bunch of pre-pubescent children (circa 8-12 years old). Let's also say I subjected them to some drug/process/whatever that caused them to stop growing. In particular: Whatever...

1 answer  ·  posted 4y ago by Matthew‭  ·  last activity 4y ago by Olin Lathrop‭

Question biology
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Q&A Creatine supplementation as enhancing the natural production of Carnosine and vice versa

I understand that both Creatine and Carnosine are amino acid derivates abundant in Animalia muscle tissue and are both occasionally taken by non-aerobic exercisers to enhance performance. The huma...

1 answer  ·  posted 3y ago by deleted user  ·  last activity 3y ago by Pastychomper‭

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Q&A Making a hair cream without using any lipids/oils

Making a hair cream without using any lipids/oils, is it possible? What will be a fundamental composition of such a cream that it is easy to wash from the hands?

0 answers  ·  posted 3y ago by deleted user  ·  edited 3y ago by deleted user

Question chemsitry cosmetics
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Q&A What needs to be changed about the plate tectonics of my world?

So, after trying to make a few different world maps and not really feeling satisfied with them, I decided to attempt making a world a bit more from scratch, by adding in plate tectonics. Now, I did...

1 answer  ·  posted 4y ago by devendoo‭  ·  last activity 4y ago by devendoo‭

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Q&A Human elytra flying off a cliff

I imagined a person who's scapulae is overly developed and extruding outside the shoulder girdle like an elitra or fixed plane wings. They can be moved by shrugging the shoulders or rotated by rai...

2 answers  ·  posted 3y ago by Rhea‭  ·  last activity 3y ago by dsr‭

Question flight humanoid
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Q&A biologically or anatomically is there a problem with this type of double mouth or jaws?

i am not talking about xenomorph or moray eel type of jaws or multiple mouth or lower jaw inside the mouth. but this type of mouth/jaws or i called it double chin jaws where the chin also work as ...

5 answers  ·  posted 4y ago by Li Jun‭  ·  last activity 4y ago by Li Jun‭

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Q&A What would make a star good for star lifting?

My civilization is planning to being starlifting, mining a star by heating up portions of its surface and using a powerful magnetic field to channel the matter away from the star and into storage u...

4 answers  ·  posted 4y ago by HDE 226868‭  ·  last activity 4y ago by HDE 226868‭

Question stars
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Q&A Is radar better than visible light in deep space?

On the earths surface, radar is pretty sweet. It apparently penetrates the atmosphere well and bounces back and can be detected. I think this has to do with the wavelengths absorbed by our atmosp...

8 answers  ·  posted 4y ago by Willk‭  ·  last activity 4y ago by Willk‭

Question space light
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Q&A How feasible would gliders or the like be on a flat plain, with no cliffs to launch from?

How effective or possible would flying machines that are not powered by a machine be on a flat plain? I have a setting where much of the world is a relatively flat grassland, and the people have n...

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

Question technology
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Q&A Could ocean and wind currents form on a tidally heated body

The moon is similar to earth but orbits around a gas giant, the sun has ended its life cycle and so the only energy received on the moon comes from tidal interactions heating its core. On earth an...

0 answers  ·  posted 4y ago by Samantha Clark‭  ·  last activity 4y ago by Samantha Clark‭

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Q&A Can the color of an alien sky be calculated solely from atmospheric composition and the star's (or stars') spectral type(s)?

What exactly are the relevant numbers for such a calculation, and can it account for the color of the sky? By sky color, I mean the day to day hue that humans (or something else with very similar ...

1 answer  ·  posted 4y ago by John O‭  ·  last activity 4y ago by John O‭

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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 4y ago by rek‭  ·  last activity 4y ago by rek‭

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Q&A Does living without access to sunlight for extended periods have known physical or psychological effects on humans?

Physical health Sunlight is popularly regarded as beneficial due to the production of vitamin D, but also popularly regarded as non essential since vitamin D can also be gained from diet or supple...

posted 10y ago by trichoplax‭

Answer
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Q&A In space, do "shipping lanes" make sense?

According to this answer to another question an Alcubierre drive would need to have a channel setup far in advance. So with such a technology, you'd need to have a network on established lanes just...

posted 10y ago by celtschk‭  ·  last activity 6y ago by celtschk‭

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Q&A Does living without access to sunlight for extended periods have known physical or psychological effects on humans?

Artificial light could be used instead of sunlight. Much of the basis for this answer comes from this article. The article is mostly about sleep cycles, but it includes some pertinent information. ...

posted 10y ago by DonyorM‭  ·  last activity 10y ago by DonyorM‭

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Q&A How do I figure out how many people my domed city on a hostile planet can support?

The book at hand is Red Mars. In it we find quite a lot of details of the first cities on Mars, infrastructure (including air), water supply (not recycled), radiation protection, etc. You need to ...

posted 10y ago by Envite‭  ·  last activity 10y ago by Envite‭

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Q&A How do I figure out how many people my domed city on a hostile planet can support?

There is no real way to give a number here as the city can support however many people you want it to support. The support infrastructure just has to scale up to the size of the population. The mo...

posted 10y ago by Tim B‭  ·  last activity 10y ago by Tim B‭

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Q&A How could dragons be explained without magic?

Growing from a very small size to an extremely large size is no problem, as dinosaurs show (and remember, ultimately even the largest dinosaur started as a single cell; the size of the egg is basic...

posted 10y ago by celtschk‭  ·  edited 3y ago by celtschk‭

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Q&A How would having multiple moons affect tides?

It would mean a more complicated modulation of the tides. On earth, we have a superposition of two cycles: An exactly 12 hour cycle of the sun, and a cycle deviating from that by the moon. The moon...

posted 10y ago by celtschk‭

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Q&A How would having multiple moons affect tides?

TLDR You can model the effect of two moons by summing two sine waves. To do this plot each moon as a function of Time and manipulate the gravity of the moon by changing the amplitude and the orbit...

posted 10y ago by Liath‭  ·  last activity 10y ago by Liath‭

Answer