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Q&A

General Q&A about worldbuilding and other speculative developments that can be extrapolated from science.

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Can mercury compounds be used in chemosynthesis?

1 answer  ·  posted over 1 year ago by pg4919‭  ·  last activity over 1 year ago by pg4919‭

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How would the Politburo respond to Project A119?

3 answers  ·  posted over 1 year ago by Jem‭  ·  last activity over 1 year ago by Jem‭

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What's it like to be an uploaded human with limited computing power?

10 answers  ·  posted over 1 year ago by lirtosiast‭  ·  last activity over 1 year ago by lirtosiast‭

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The economics of laser sails vs fusion rockets

4 answers  ·  posted over 1 year ago by Adam Reynolds‭  ·  last activity over 1 year ago by Adam Reynolds‭

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How do my plants trap so much carbon?

3 answers  ·  posted over 1 year ago by Aezyc‭  ·  last activity over 1 year ago by Aezyc‭

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Euro-American Maglev Railway - Transit without stopping

9 answers  ·  posted over 1 year ago by Prahara‭  ·  last activity over 1 year ago by Prahara‭

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What could some alternative eating utensils be like?

17 answers  ·  posted over 1 year ago by Jester Gleeful‭  ·  last activity over 1 year ago by Jester Gleeful‭

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Spacewalking in 0.3c - is it feasible? [Generations novel]

6 answers  ·  posted over 1 year ago by Noam Josephides‭  ·  last activity over 1 year ago by Noam Josephides‭

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Advantages of Bowlegs in Humanoid Species

1 answer  ·  posted over 1 year ago by bio‭  ·  last activity over 1 year ago by bio‭

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Why are my caves warm with nobody heating them?

7 answers  ·  posted over 1 year ago by MechMK1‭  ·  last activity over 1 year ago by MechMK1‭

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What does a timeflow-doubled superhero see?

2 answers  ·  posted over 1 year ago by Foo Bar‭  ·  last activity over 1 year ago by Foo Bar‭

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Space station scenario feasibility

4 answers  ·  posted over 1 year ago by Prahara‭  ·  last activity over 1 year ago by Prahara‭

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Is knuckle walking possible in a cursorial animal?

2 answers  ·  posted over 1 year ago by ProjectApex‭  ·  last activity over 1 year ago by ProjectApex‭

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Augmentations - Jumping high!

5 answers  ·  posted over 1 year ago by Prahara‭  ·  last activity over 1 year ago by Prahara‭

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How would a biological brain be updated with its digital memory?

3 answers  ·  posted over 1 year ago by RandySavage‭  ·  last activity over 1 year ago by RandySavage‭

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Weather and climate of Massive Grass Plains?

3 answers  ·  posted over 1 year ago by Gray9‭  ·  last activity over 1 year ago by Gray9‭

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Reasonably tougher humans against falls, concussions etc

2 answers  ·  posted over 1 year ago by Blirk‭  ·  last activity over 1 year ago by Blirk‭

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Space-based black hole weapon effects

6 answers  ·  posted over 1 year ago by Demigan‭  ·  last activity over 1 year ago by Demigan‭

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Infinite endurance

6 answers  ·  posted over 1 year ago by Kyu‭  ·  last activity over 1 year ago by Kyu‭

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How can a powerful acidic substance not break down inorganic material?

3 answers  ·  posted over 1 year ago by Incognito‭  ·  last activity over 1 year ago by Incognito‭

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A Seafloor of Ice and Rock: Ice VI / Water Boundary

1 answer  ·  posted over 1 year ago by TheDyingOfLight‭  ·  last activity over 1 year ago by TheDyingOfLight‭

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Making Immobile carnivore

1 answer  ·  posted over 1 year ago by RotNDecay‭  ·  last activity over 1 year ago by RotNDecay‭

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How deep can the oceans be while still alowing some land?

1 answer  ·  posted over 1 year ago by TheDyingOfLight‭  ·  last activity over 1 year ago by TheDyingOfLight‭

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Treating Postpartum Depression when Reproductive Mortality is ~100%?

2 answers  ·  posted over 1 year ago by Logan R. Kearsley‭  ·  last activity over 1 year ago by Logan R. Kearsley‭

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Would an obligate carnivore eat bread/grain?

4 answers  ·  posted over 1 year ago by Matthew‭  ·  last activity over 1 year ago by Matthew‭

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How long would the St. Louis arch stand if humanity vanished from the earth, tomorrow?

1 answer  ·  posted over 1 year ago by guest‭  ·  last activity over 1 year ago by guest‭

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Inducing hallucinations to attract prey

2 answers  ·  posted over 1 year ago by Kyu‭  ·  last activity over 1 year ago by Kyu‭

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How small can I make this character without making it too weird?

4 answers  ·  posted over 1 year ago by Popplio Lover‭  ·  last activity over 1 year ago by Popplio Lover‭

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How could a civilization stay at a medieval tech level for millions of years?

26 answers  ·  posted over 1 year ago by Alex‭  ·  last activity over 1 year ago by Alex‭

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How "young" can a non-aging person be and still function?

7 answers  ·  posted over 1 year ago by Matthew‭  ·  last activity over 1 year ago by Matthew‭

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Are firefly-like vertebrates biologically plausible?

4 answers  ·  posted over 1 year ago by user3556983‭  ·  last activity over 1 year ago by user3556983‭

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Temperatures on an Earth with a week-long rotational period

2 answers  ·  posted over 1 year ago by Ryan Williamson‭  ·  last activity over 1 year ago by Ryan Williamson‭

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How could two AIs "battle" within a closed off computer?

1 answer  ·  posted over 1 year ago by Alex‭  ·  last activity over 1 year ago by Alex‭

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