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13.1k posts
 
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Q&A What are the main problems with beaming light from the Sun to Saturn?

I recently finished reading the Kim Stanley Robinson novel 2312 - set, of course, in the year 2312. Part of the background to the political negotiations and ongoing terraforming in the outer Solar ...

5 answers  ·  posted 8y ago by HDE 226868‭  ·  last activity 8y ago by HDE 226868‭

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Q&A Could "soylent" or "body fuel" be mass produced cheaply without the reliance on agriculture?

I'm trying to figure out how a minimalist style society would work. Its secretive founders have been planning this since the 19th century, hiding in universities, influencing the young to attempt t...

6 answers  ·  posted 8y ago by Nii‭  ·  last activity 8y ago by Nii‭

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Q&A Cybernetic Nucleic Acid

Let's say that a patient is in hospital suffering a terminal disease or at least a physical injury that's very expensive to treat. The only hope of salvation is to have artificial, or cybernetic, ...

7 answers  ·  posted 8y ago by JohnWDailey‭  ·  last activity 6y ago by JohnWDailey‭

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Q&A Encountering the Accountants : Spreading Numeracy in the Neolithic World

The BBC in the UK are currently screening a archaeology series exploring the idea that the Neolithic peoples in the Orkney Isles (North of Scotland) were the cultural capital of the British Isles. ...

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

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Q&A How can I create a stationary planet?

I'm looking to not tidally lock my planet, but place it between two suns that rotate around each other. The goal is to have constant sunlight on all sides of the planet and for the suns to rotate a...

3 answers  ·  posted 8y ago by Anoplexian - Reinstate Monica‭  ·  last activity 8y ago by Anoplexian - Reinstate Monica‭

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Q&A What is the botanic equivalent of the digestive system

As part of a series on plant animals, plantimals if you will, I am now asking about the digestive system, that is the mouth, stomach and intestines. All known animal life has some kind of digestive...

2 answers  ·  posted 8y ago by Uncle Tres‭  ·  last activity 7y ago by Uncle Tres‭

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Q&A Could there be more than two poles on Earth?

So I was deciding on ways to end my world in a futuristic scenario, and I had an idea. As we all know, Earth has two poles, and these poles are moving constantly (Magnetic Poles are different from ...

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

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Q&A What would it take for a continent to be covered in cyclical darkness?

I'm contemplating a world in which there is some sort of cyclical darkness that covers a continent or the whole planet, and humanity has to adjust to deal with the creatures that surface when the d...

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

Question astronomy planets
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Q&A What advantage would a species gain from birthing a child larger than itself?

The Lorting are a very strange race. Not only are there multiple genders (the actual term for which is more like 'castes' or 'classes'), but when any member of their species is 'born' it is born at...

4 answers  ·  posted 8y ago by Joe Bloggs‭  ·  last activity 8y ago by Joe Bloggs‭

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Q&A An anti matter planet behaving like a star

In your space journey your ship systems have spotted an unusual source of gamma rays: it's the size and the mass of a planet and it has a pulsating behaviour. Further observations shows that you ...

4 answers  ·  posted 8y ago by L.Dutch - Reinstate Monica‭  ·  last activity 4y ago by L.Dutch - Reinstate Monica‭

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Q&A Could a creature harden its natural hide plates with metals it consumed?

Like the title says, could a creature use metals absorbed through consumption to harden its natural armor? Metals and minerals that would be available would be similar to those on Earth (iron, alum...

4 answers  ·  posted 8y ago by Bishop2905‭  ·  last activity 8y ago by Bishop2905‭

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Q&A Could an entire continent runs on a single fusion reactor plant by 2100?

Affected continent is Asia, the world is running out of coal and natural gas. A major mega structure project is underway, its goal is to provide electricity across the continent with a single fusio...

2 answers  ·  posted 8y ago by user6760‭  ·  last activity 8y ago by user6760‭

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Q&A Anthro Animals to Scale

If animals were scaled up to be about the same size in anthro form (human-size) regardless of species (i.e. wolf-people and hare-people both become man-sized as well as man-shaped), would the ones ...

3 answers  ·  posted 8y ago by Southpaw Hare‭  ·  last activity 7y ago by Southpaw Hare‭

Question fauna scaling
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Q&A Volcanic winter related to moons?

My Kepler Bb planet has 4 moons and is habitable. So that is good. But all 4 of these moons are major moons which while indeed possible, could be a problem. You see, these moons are in resonance s...

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

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Q&A What would be the consequence for the Earth if the moon's orientation was flipped?

I'm trying to write up a story in which superpowers exist, and I created a hero in which he could flip anything. People, the Earth, the Moon. I wanted to make him try to destroy the world, so what ...

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

Question space
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Q&A A bit more effective force field

///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// AeT-Shield The shield uses nan...

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

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Q&A How to make a planet with differential gravity and constant daylight

I am hoping to create a planet with a greater rotational speed, making it oblong, thus causing differential gravitaion from the equator to the poles. I am hoping for the gravitarion to be lighter t...

2 answers  ·  posted 8y ago by Iter‭  ·  last activity 7y ago by Iter‭

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Q&A what would the scientific name of an angel like creature be?

A human-like creature that doesn't have gender, can not procreate, and was engineered by humans. My story is stuck with a creature that is not possible in real life; I just went from science ficti...

6 answers  ·  posted 8y ago by Spartacus9‭  ·  last activity 8y ago by Spartacus9‭

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Q&A A planet rotating twice per second; what mass is needed to hold it together, and how oblate would it be?

I want to create a planet that has a frequency of two rotations per second, thus making a "Planet without Night". The planet will be like a flattened disc, due to inertia causing the planet to be a...

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

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Q&A How can you destroy a small device inside another person's head?

In a novel I am writing, everyone carries a small device in their head. The device is fragile, but the human head isn't. How can this device be destroyed by another person quickly (i.e. within sec...

20 answers  ·  posted 8y ago by System‭  ·  last activity 8y ago by System‭

Question biology
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Q&A How would pixie to human two way communication work?

Pixie, no bigger than a tennis ball, has coexisted along side human for as long as history can remember, note that the pixie were never treated as pet, however slavery and smuggling activities are ...

4 answers  ·  posted 8y ago by user6760‭  ·  last activity 6y ago by user6760‭

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Q&A Could humanity survive in a closed box?

Energy cannot be created nor destroyed. Humans require energy (food) to operate, but that energy must return back to the environment one way or another. If given an unlimited supply of handwave m...

6 answers  ·  posted 8y ago by Ovi‭  ·  last activity 8y ago by Ovi‭

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Q&A What event would kill most of the worlds population at the SURFACE, but spare everyone at the altitude of a commercial jetliner?

I want a realistic event to occur that kills the majority of the Earth's population. However, the nature of this event must not effect humans or machinery currently flying at high altitudes (those ...

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

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Q&A At what stage would we have detected sentient/intelligent life on the moon?

If the moon had life and it progressed at the same rate as life on earth, including key points of technological discovery. When would we, on earth, have first detected them? Technological discover...

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

Question moons earth life
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Q&A How could humans survive 9 month winters in the classical Roman era?

I have a world I am building that is similar to ours, and is set in the height of the Roman empire era. The main difference is that the winter is half the year and full rotation of seasons is 18 m...

1 answer  ·  posted 8y ago by user2554063‭  ·  last activity 6y ago by user2554063‭