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Q&A Are Alpha and Beta-Voltaics the solution to the energy storage problem in Scifi?

In Scifi there is often the issue that all the fancy technology like Mechas and Lasguns need a lot of energy. Chemical sources are limited by volumetric and regular power density. Batteries and cap...

2 answers  ·  posted 5y ago by TheDyingOfLight‭  ·  last activity 5y ago by TheDyingOfLight‭

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Q&A Can I use an active flood basalt province as a "biome" without messing my world up?

I want to use the an active large ignious province (LIP) as a "biome" on a continent in my world. This video about the Siberian Traps inspired me. A LIP modeled after the Siberian Traps gives you a...

1 answer  ·  posted 5y ago by TheDyingOfLight‭  ·  last activity 5y ago by TheDyingOfLight‭

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Q&A Feasibility of a creature that can affect biology

On a distant, habitable world, humanity has observed a biological marvel. A creature that is primarily carnivorous, roaming its planet jungles and deserts, has been observed to be capable of manip...

2 answers  ·  posted 5y ago by RotNDecay‭  ·  last activity 5y ago by RotNDecay‭

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Q&A Feasibility of a creature that leaves behind crystal like formations

In a distant future, humanity has colonized and catalogued countless worlds in their home galaxy. However one day humanity has discovered a few habitable words in the Andromeda galaxy. After a wh...

2 answers  ·  posted 5y ago by RotNDecay‭  ·  last activity 5y ago by RotNDecay‭

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Q&A Would a creature with a ceaseless hunger feasibly exist

Say one day humanity has found a planet that supports life. It's filled with luscious forest and barren deserts, and various ecosystems that resemble Earthly ones. After a single year of researchi...

4 answers  ·  posted 5y ago by RotNDecay‭  ·  last activity 5y ago by RotNDecay‭

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Q&A What does a gas giant close to a red dwarf look like?

In my setting, there's a gas giant orbiting in the habitable zone of a red dwarf (for specificity, its radius is about half Jupiter's, and it's 0.35 AU from 61 Cygni B. Ignore the effect of the oth...

1 answer  ·  posted 5y ago by Gilad M‭  ·  last activity 5y ago by Gilad M‭

Question astronomy planets
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Q&A How does this dragon's self-defense mechanism not burn the user?

A type of dragon in my world, simply named the Thick-horn, has a well-known mechanism to use to defend itself despite its clumsiness. They are freakishly large, tend to be slow, and find it hard to...

2 answers  ·  posted 5y ago by RadioGoblin‭  ·  last activity 5y ago by RadioGoblin‭

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Q&A How does composition change if you extend an Earthlike atmosphere 50km below sea level?

I'm working to design the atmosphere of a fictional planet inspired by Venus (let's call it Cael). Cael's atmosphere at an altitude of 50 km is essentially identical to Earth's atmosphere at sea l...

2 answers  ·  posted 5y ago by Lawton‭  ·  last activity 5y ago by Lawton‭

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Q&A Would you notice, visually, if the planet you were on was vastly larger than Earth?

By that I mean, if you are travelling about on a continent on a planet with a circumference similar to the Sun, how much further would you be able to see, and would it be noticeable, without more c...

7 answers  ·  posted 5y ago by MartinArrJay‭  ·  last activity 5y ago by MartinArrJay‭

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Q&A Is an Earth-to-Moon missile technologically possible?

Given current capabilities, is it possible for a missile launched from the surface of the Earth to impact the surface of the Moon? I would imagine the same "rocket" used send stuff to the ISS coul...

1 answer  ·  posted 5y ago by luchonacho‭  ·  last activity 5y ago by luchonacho‭

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Q&A Making 4D Radiators Good Enough for Stealth, Unremarkable for Power

I am trying to find a solution for a specific subset of the Stealth in Space Problem: dealing with waste heat without tipping off properly positioned observers. This question is scoped specifically...

2 answers  ·  posted 5y ago by vicky_molokh‭  ·  last activity 5y ago by vicky_molokh‭

Question thermodynamics
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Q&A What kind of material can act as storage, float and withstand firepower?

I actually rediscovered an old story I wrote five years ago and there was this supposedly synthetic material that can float, be programmed to be directed where to be delivered and can carry luggage...

3 answers  ·  posted 5y ago by CheckersBoard‭  ·  last activity 4y ago by CheckersBoard‭

Question science-fiction
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Q&A A good reason for why aliens want to take over Mars?

In a future where Mars has been abandoned for several thousand years, and Earth has reverted to a somewhat-habitable state, why would aliens choose to live on Mars, rather than more habitable Earth...

6 answers  ·  posted 5y ago by Greenie E. - Reinstate Monica‭  ·  last activity 5y ago by Greenie E. - Reinstate Monica‭

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Q&A Xenomorph-like creature but with a Base instead of Acid as blood

I'm looking to build a horror type sci-fi game based on the Alien franchise. My question comes in trying to differentiate my alien from the Xenomorphs. I want hurting it with a melee weapon to be i...

2 answers  ·  posted 5y ago by Glenn Driver‭  ·  last activity 5y ago by Glenn Driver‭

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Q&A What is the fastest that an ordinary biological system could be digested / disintegrated / liquefied by another (plausible) biological system?

How quickly could a bacterial colony / virus / pool-'o-prions / [whatever] digest, disintegrate, or otherwise liquefy an ordinary terrestrial biological system? Think something along the lines of ...

1 answer  ·  posted 5y ago by Jerry‭  ·  last activity 5y ago by Jerry‭

Question biology xenobiology
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Q&A How massive can a structure get on the inside of a Mckendree cylinder?

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...

1 answer  ·  posted 5y ago by Abanob Ebrahim‭  ·  last activity 5y ago by Abanob Ebrahim‭

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Q&A Could a mass made up of certain elements or compounds "disrupt" a star?

Inspired by this interesting question-- let's say that the universe was just really, really out to get a particular star, such as our sun. Is there a perfect cocktail where a mass significantly sma...

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

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Q&A Would a parasite that turns peoples into succubi/incubi be possible?

I like demons as they're portrayed in popular culture. I wanted to make a "anatomically correct" succubus question, but StackExchange tells me that this one already exists (even if it is not refere...

4 answers  ·  posted 5y ago by Rorp‭  ·  last activity 5y ago by Rorp‭

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Q&A Feasibility of Relativistic Artillery / Kill Vehicles

As far as it is known, Relativistic Kill Vehicles are a common weapon in science fiction and are rendered as powerful as nukes just due to their kinetic energy alone, a finite mass being propelled ...

4 answers  ·  posted 5y ago by CYCLOPSCORE‭  ·  last activity 5y ago by CYCLOPSCORE‭

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Q&A The students have blown up the school using stuff that looks like snow. How?

In Hungarian, there is a new-ish folk-song sung by school-children who dislike school whenever it snows to the tune of Twinkle, twinkle, little star: Hull a pelyhes dinamit, Robbantsuk fel...

6 answers  ·  posted 5y ago by Mark Gardner‭  ·  last activity 5y ago by Mark Gardner‭

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Q&A How big can Europan fish get?

Assumptions: Jupiter's moon Europa has a salty subsurface ocean in contact with a rocky mantle. The ocean is populated by hydrothermal vents produced by tidal heating. Global heat flow is similar...

2 answers  ·  posted 5y ago by Zxyrra‭  ·  last activity 5y ago by Zxyrra‭

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Q&A Would an alien race with diffused organs be viable?

The purpose of this question is to get an alien race with a diffused set of organs, which makes any part of their body interchangeable. Why would a species need this? Well for one it might be becau...

4 answers  ·  posted 5y ago by System‭  ·  last activity 5y ago by System‭

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Q&A How big and numerous do ticks needs to be to threaten human life?

A world has grassy plains infested with larger-than-normal (perhaps even giant) blood-sucking ticks. Ignoring their main diet for the time being: They should be dangerous enough to threaten humans ...

2 answers  ·  posted 5y ago by David Hambling‭  ·  last activity 5y ago by David Hambling‭

Question biology parasites
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Q&A Low gravity space shipyard vs micro gravity shipyard

If you had a device, similar to a Stargate, but that allowed seamless two way transfer, and that could be moved (You could essentially strap a rocket on it, and fuel it from Earth), you could just ...

3 answers  ·  posted 5y ago by MartinArrJay‭  ·  last activity 5y ago by MartinArrJay‭

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Q&A How a snail like creature works and retracts into its shell

I'm making alternate more realistic designs of Kirby characters. I'm working on a version of Escargoon the "snail" here. Due to his movement in the Kirby anime resembling more of a shuffle I've...

1 answer  ·  posted 5y ago by Chickenpeep Chickenpeep‭  ·  last activity 4y ago by Chickenpeep Chickenpeep‭