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13.1k posts
 
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Q&A Life without excretion?

Is it possible with some chemicals as intake for humans to completely convert the food/chemical to energy to survive? This is similar to when we are talking about clean energy where water and some...

3 answers  ·  posted 6y ago by Amruth A‭  ·  last activity 6y ago by Amruth A‭

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Q&A Could a Planet's Ecosystem be run by a small variety of animals?

In my world, there's an era when only some 20 visible (big enough to see with the naked eye; all other animal life forms are microscopic) animal types lived on the planet. Mammals such as wolves, ...

5 answers  ·  posted 6y ago by BlueTangsRock‭  ·  last activity 6y ago by BlueTangsRock‭

Question ecology
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Q&A Could super-sized and intelligent detrivore aliens exist?

For my story I have an alien species who are detrivore. They are also an intelligent species on par with humans. But many people have pointed out to me that intelligent detrivores don't work, becau...

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

Question food species ecology
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Q&A Biological Reactor through Genetic modification?

As all of you know, humans eat for energy. While being able to maintain homeostasis is great, it's also human to want more. Maybe we want stronger muscles, or the ability to breath fire, or even to...

3 answers  ·  posted 6y ago by Jim Wu‭  ·  last activity 6y ago by Jim Wu‭

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Q&A How large can surface gravity anomalies grow before the planet becomes uninhabitable?

Is a planet with varying fields of gravity possible? Yes. Earth has varying gravitational fields at various different times due to various factors, mainly location based. How extreme can I make th...

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

Question planets gravity
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Q&A Avoiding muscle atrophy from muscle injury

My Keplerians are humanoids but they have a special organ and special hormones for protein storage. Not only that but they don't get muscle atrophy from injury. Take the abdominal muscles for examp...

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

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Q&A Can humanoids be reborn from a tree?

Details: A culture of dryads has a strange death tradition. When a dryad dies there's usually a medic, or better say a "shaman" that rips a strange looking organ or gland off their head. The gla...

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

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Q&A How long would it take for an array of introduced alien fauna to form functional ecosystems on a near-future "Dead Earth"?

Imagine that, in the near future, pollution, overpopulation and war leads to a massive extinction where almost all chordates, some invertebrates and many plants are wiped out. Small, resilient plan...

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

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Q&A Can we stay healthy if we experience microgravity for 8 hours every day?

Let's say that at an asteroid mining site, the workers live in a rotating wheel space station that can produce 1g. They use Earth's 24 hour day, and for 8 hours a day, people go to the asteroid to ...

5 answers  ·  posted 6y ago by M Arif Rahman Winandar‭  ·  last activity 6y ago by M Arif Rahman Winandar‭

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Q&A Seasons on Infinite Cylinder Planet

An infinitely long cylinder, made of planetary matter with an average radius roughly equivalent to the average distance Earth's equator has to its center, orbits around a parallel, infinitely long ...

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

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Q&A What are the safety margins for destroying a planet from space?

My empire's flagship, the Persecutor class UJBHE1 Abhorrent, rides into the home system of my greatest enemy, Baron Obsequious, levels its Death Ray2 at his beloved home, and pulls the trigger.3 B...

5 answers  ·  posted 6y ago by JBH‭  ·  last activity 6y ago by JBH‭

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Q&A Can we "hack" the human skin?

I've been reading some texts about synthetic biology and how to produce Human Artificial Chromosome (HAC), and I was wondering if we could develop some kind of device that "reprogrammed" the genes ...

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

Question biology hacking
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Q&A Is this a viable/realistic imaginary species?

I am creating a species for my alien world that will be seen as 'holy' by the planets dominant religion. I'd like to know if my 'holy' species could viably exist biologically/evolutionarily. Assu...

3 answers  ·  posted 6y ago by Teanna Schmaeh‭  ·  last activity 6y ago by Teanna Schmaeh‭

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Q&A How could I explain an alien species' non tool based plant manipulation without using magic?

I'm trying to find a way to explain an alien species' ability to control plants, specifically plant growth for crops, without it being 'magic.' So they can ensure the health and size of the plants ...

3 answers  ·  posted 6y ago by Teanna Schmaeh‭  ·  last activity 6y ago by Teanna Schmaeh‭

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Q&A Accelerating artificial gravity station using solar wind

In the question Wind turbines in space The user asks about using solar wind to rotate turbine like things in order to get energy. Most answers say that using them to get energy would not work beca...

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

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Q&A Humanoids in Super Earth

So, I was reading this article about how difficult it would be for any alien race to escape an exoplanet with about 10 times the mass of Earth. It states they probably would even lack satellites. ...

3 answers  ·  posted 6y ago by Osmar Gascho‭  ·  last activity 6y ago by Osmar Gascho‭

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Q&A Solutions for sustainable living in reduced gravity environment

I am building an idea for a terraformed environment with 1/6 the gravity of Earth, with a permanent human colony that has been established and sustained for 40+ years. I have thrown around a few id...

3 answers  ·  posted 6y ago by moon-man‭  ·  last activity 6y ago by moon-man‭

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Q&A Could you hollow out a mountain and set up a headquarters inside of it?

The mountain in question is about the same height as the french alps. The headquarters in the should hold 500 people, is this possible?

2 answers  ·  posted 6y ago by Philip Whyte‭  ·  last activity 6y ago by Philip Whyte‭

Question geography
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Q&A The effects of tearing the wings off an angel

The backstory for a key character in my story involves him receiving a harsh punishment for becoming corrupt. The tearing off of the wings themselves is easy to write. It's the state he's left in a...

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

Question biology anatomy
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Q&A How to explain the lack of artificial pollination in space colonies?

My story is set in the future where space travel is cheap and humanity has colonized Mars and some parts of the asteroid belt. Asteroid colonies can grow their own staple food, but crops that requi...

7 answers  ·  posted 6y ago by M Arif Rahman Winandar‭  ·  last activity 6y ago by M Arif Rahman Winandar‭

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Q&A How to monetize uploaded consciousness?

In 2039, our company was the first to bring a safe and reliable solution to upload someone's mind to the cloud. Although it was 10 years ago, you probably remember the news, don't you? We guarantee...

28 answers  ·  posted 6y ago by Pavel Janicek‭  ·  last activity 5y ago by Pavel Janicek‭

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Q&A Would the tropic and arctic climate bands switch if the Earth's axial tilt changed to 60 degrees?

At 4:56 in this video essay, Edgar states that at an axial tilt of 60 degrees, the tropic and arctic climate bands will be switched, so that equatorial regions would be cold and polar regions hot. ...

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

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Q&A With access to near-future technology, what is the largest amount of healthy children a mother could give birth to in her lifetime?

Essentially for my story my Evil Empire needs a constant and huge amount of new population to conscript for their armies. The way they accomplish this is by forcing every female member of society (...

1 answer  ·  posted 6y ago by Sydney Sleeper‭  ·  last activity 6y ago by Sydney Sleeper‭

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Q&A What would convince people to solve disputes with a deadly card game?

Let's consider that the card game needs to be played, and equipment that may even kill you if you lose (via blades, electric shocks or the like, it could also even kill people by summoning supernat...

15 answers  ·  posted 6y ago by user2638180‭  ·  last activity 6y ago by user2638180‭

Question psychology games
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Q&A How do my PA civilizations rebuild after a depletion of the planet's natural fuels?

How do my PA civilizations rebuild after a depletion of the planet's natural fuels? Even with a wealth of information to rebuild, would civilization still be permanently stunted due to being unab...

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