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

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Activity Age Score Native Lottery
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Effects of high magnetism?

4 answers  ·  last activity over 5 years ago by ‭22mg‭

space biology reality-check physics
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Realistic Future Jobs for Men and Women

22 answers  ·  last activity over 5 years ago by ‭Serban Tanasa‭

technology economy futurology intelligence artificial-intelligence post-scarcity city
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What are the expected impact on Earth ecosystems by mining activities in the Moon?

3 answers  ·  last activity over 5 years ago by ‭Hatoru Hansou‭

reality-check planets science-based moons earth
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What science-y stuff could hide an island?

3 answers  ·  last activity over 5 years ago by ‭Vector Lightning‭

geography science-based futurology
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Entertainment for AI

9 answers  ·  last activity over 5 years ago by ‭guido‭

technology intelligence artificial-intelligence
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Is it possible for humans to live on such a planet?

5 answers  ·  last activity over 5 years ago by ‭ballah‭

reality-check planets science-based humans survival
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Suddenly, you live in the dark!

7 answers  ·  last activity over 5 years ago by ‭ballah‭

environment reality-check planets science-based technological-development
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In 'portal', pushing interconnected portals on thin portal sized rectangles of material through each other?

2 answers  ·  last activity almost 6 years ago by ‭alan2here‭

physics teleportation
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What would the weather be like in an asteroid habitat?

3 answers  ·  last activity almost 6 years ago by ‭Mike Nichols‭

space weather science-based physics space-constructs
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Could a manned maneuvering unit provide artificial gravity?

3 answers  ·  last activity almost 6 years ago by ‭Dan‭

reality-check science-based gravity
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Possibilities with a force-manipulating device

3 answers  ·  last activity almost 6 years ago by ‭AlphaModder‭

physics
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What happens to air pressure if the ice caps completely melt?

2 answers  ·  last activity almost 6 years ago by ‭Mikey‭

climate atmosphere water water-bodies
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Making the First contact

3 answers  ·  last activity almost 6 years ago by ‭Pavel Janicek‭

space travel society psychology aliens humans space-travel
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A species developing writing but not (yet) speech

5 answers  ·  last activity almost 6 years ago by ‭Michael Sacchi‭

evolution language
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Burrowing/tunnelling creatures on earth with intricate underground organisation/society?

2 answers  ·  last activity almost 6 years ago by ‭alan2here‭

biology reality-check
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Astronomical Phenomena that cause Tidal Waves

3 answers  ·  last activity almost 6 years ago by ‭erdekhayser‭

space moons stars apocalypse radiation
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Harnessing the Moon's kinetic energy

2 answers  ·  last activity almost 6 years ago by ‭MDMoore313‭

moons energy
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Locations for space centres

4 answers  ·  last activity almost 6 years ago by ‭J_F_B_M‭

space travel space-travel urban
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Is the Alcubierre Drive relatively free from relativistic collisions?

1 answer  ·  last activity almost 6 years ago by ‭bowlturner‭

space travel science-based physics space-travel
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What is the minimum distance needed between physically distinct races?

3 answers  ·  last activity almost 6 years ago by ‭Epiglottal Axolotl‭

geography races demographics genetics
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How can I estimate how far into a cave network breathing is possible?

2 answers  ·  last activity almost 6 years ago by ‭trichoplax‭

science-based physics caves
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Traffic in Space (a traffic controller for low earth orbit)

2 answers  ·  last activity almost 6 years ago by ‭2012rcampion‭

space travel society science-based orbital-mechanics space-travel
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Eye in the Sky Effect

5 answers  ·  last activity almost 6 years ago by ‭Donny‭

astronomy planets moons
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How would a Martian colony be able to celebrate Christmas?

12 answers  ·  last activity almost 6 years ago by ‭Pavel Janicek‭

planets society humans solar-system
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Trebuchet's effect on ship design

3 answers  ·  last activity almost 6 years ago by ‭Tyson of the Northwest‭

physics shipbuilding
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Is it possible for humans to evolve to eat something like wood or stone or something similar?

3 answers  ·  last activity almost 6 years ago by ‭CrazySlayaNinjaBear‭

evolution humans
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Cost of colony on Mars/Moon per metric ton

1 answer  ·  last activity almost 6 years ago by ‭Irigi‭

space science-based colonies economy
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What is the soonest we could possibly have a self-sufficient base on Mars?

7 answers  ·  last activity almost 6 years ago by ‭overactor‭

space colonies
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Could a civilization as advanced as humans exist on a planet/dwarf planet like Pluto?

5 answers  ·  last activity almost 6 years ago by ‭CrazySlayaNinjaBear‭

biology planets science-based civilization humans
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How to fragment a moon to form a ring around a planet

4 answers  ·  last activity almost 6 years ago by ‭Robert Boettcher‭

planets science-based moons
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How soon will the first underwater cities be built?

4 answers  ·  last activity almost 6 years ago by ‭Sheraff‭

science-based cities water underwater
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Method for creating aerial visuals (photography) for fake landmasses

2 answers  ·  last activity almost 6 years ago by ‭randomblink‭

geography software-recommendations cartography
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Would the knowledge of physics on a native aquatic planet be similar to our own?

7 answers  ·  last activity almost 6 years ago by ‭fubar50‭

planets science-based physics computers scientific-development
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How soon will tinkering with biology be as simple as programming is now?

5 answers  ·  last activity almost 6 years ago by ‭Sheraff‭

biology science-based technological-development
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Alien race similar to human but without anything in common

4 answers  ·  last activity almost 6 years ago by ‭Rodolfo Dias‭

biology creature-design
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Space station mass per person

1 answer  ·  last activity almost 6 years ago by ‭Irigi‭

space science-based space-constructs space-stations
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Shallow sea world - plausable geology?

4 answers  ·  last activity almost 6 years ago by ‭Chris Camacho‭

geology sea
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Classification system and measure of progress for science and technology branches and other areas of life

3 answers  ·  last activity almost 6 years ago by ‭moonfly‭

science-based futurology nomenclature
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Being cooked for dinner! or What Danger of Blueshifting EM into X-rays and beyond?

2 answers  ·  last activity almost 6 years ago by ‭bowlturner‭

space travel science-based space-travel
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Gravitational effects of portals at different heights

3 answers  ·  last activity almost 6 years ago by ‭HugoRune‭

travel science-based physics
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What would push a civilization to terraform a planet considering the complexity of this process?

7 answers  ·  last activity almost 6 years ago by ‭Vincent‭

environment planets science-based terraforming
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Can we breathe the moon's crust?

3 answers  ·  last activity almost 6 years ago by ‭Kromey‭

space travel science-based moons colonies space-travel
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Where to place industry in a megastructure?

3 answers  ·  last activity almost 6 years ago by ‭Philipp‭

science-based cities megastructures gas
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What would be the short-term and long-term effects of an increase in the strength of gravity on humans?

1 answer  ·  last activity almost 6 years ago by ‭BuildingBetterWorlds‭

biology science-based physics humans gravity
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Polarity of a planet's lightning strikes reversed?

2 answers  ·  last activity almost 6 years ago by ‭The Glis Jackel‭

reality-check planets electricity lightning light city
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How would an aquatic civilisation forge tools?

8 answers  ·  last activity almost 6 years ago by ‭Liath‭

water technology underwater technological-development
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What would happen in North America if California became drier?

2 answers  ·  last activity almost 6 years ago by ‭Vincent‭

climate culture futurology earth agriculture
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Could higher land-based life exist on a planet with a pressure of about 1 MPa?

5 answers  ·  last activity almost 6 years ago by ‭celtschk‭

biology reality-check
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How would life be different on a planet where intelligent life saw heat instead of colour?

7 answers  ·  last activity almost 6 years ago by ‭aspiring_sarge‭

science-based
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What would be the effects of the common house cat rapidly acquiring flight ability?

5 answers  ·  last activity almost 6 years ago by ‭Dan Dascalescu‭

biology society domestication earth
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