Worldbuilding

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Awarded 3617 times.
How large would a circular wall need to be to appear straight?
Awarded 14 hours ago
Is there a scientific explanation for mental manipulation? [on hold]
Awarded 15 hours ago
Could a Weapon of Mass Destruction, targeting only humans, be developed?
Awarded yesterday
What are some of the expected properties of metallic glasses and some steps to create them? (semi-ELI5)
Awarded 2 days ago
Closed off habitat surrounded by extreme heat, is it impossible in the long term without handwavium?
Awarded 2 days ago
Are there semi plausible scenarios where Nuclear Winter could last a thousand years or trigger an ice age?
Awarded Jun 23 at 15:45
What to do with plastic while living in the wild?
Awarded Jun 23 at 10:10
How would their children look?
Awarded Jun 23 at 7:00
Body plan of a 4D human-analog?
Awarded Jun 22 at 17:30
Justifying Affordable Bespoke Spaceships
Awarded Jun 22 at 14:10
What limitations can I put on wings for more tense/risky action scenes?
Awarded Jun 22 at 5:35
What would the consequences be of a high number of solar systems being within close proximity to one another?
Awarded Jun 20 at 22:50
How many people are necessary to maintain modern civilisation?
Awarded Jun 20 at 17:00
Would an alien on Earth have an impact on its immediate environment in unexpected/unwitting ways? [closed]
Awarded Jun 20 at 11:55
What reason would an alien civilization have for building a Dyson Sphere (or Swarm) if cheap Nuclear fusion is available?
Awarded Jun 19 at 17:50
What is the opposite of lightning? [closed]
Awarded Jun 18 at 8:00
Acceleration/Deceleration equation for travel within a solar system
Awarded Jun 18 at 7:20
If a moon shattered into pieces, what would happen?
Awarded Jun 15 at 19:15
(post deleted or otherwise unavailable)
Awarded Jun 15 at 8:15
How to make all magic-casting innate, but still rare?
Awarded Jun 14 at 20:50
Can an escape pod land on Earth from orbit and not be immediately detected?
Awarded Jun 14 at 19:00
For people on earth, is it possible to harvest energy by decelerating the planet rotation?
Awarded Jun 14 at 17:25
Mega-human: What are the largest possible dimensions of a human? [duplicate]
Awarded Jun 13 at 18:30
How to avoid offending original culture when making conculture inspired from original
Awarded Jun 13 at 11:00
What would happen to air flow and fires in an O'Neill cylinder?
Awarded Jun 13 at 3:55
What's the quickest way to get the President or equivalent authority on the phone? Life depends on it! [closed]
Awarded Jun 13 at 2:20
Can medieval weapons (swords, spears, polehammers, etc) be more viable than guns in this SciFi setting?
Awarded Jun 12 at 19:10
How durable are silver inlays on a blade?
Awarded Jun 11 at 22:35
Is plausible to have subspecies with & without separate sexes?
Awarded Jun 11 at 16:05
Ocean currents near the poles
Awarded Jun 10 at 9:00
How can powerful telekinesis avoid violating Newton's 3rd Law?
Awarded Jun 9 at 21:15
Alien ship connecting to the internet
Awarded Jun 7 at 17:40
The galaxy is our nursery [closed]
Awarded Jun 6 at 20:50
How do ghouls reproduce? [closed]
Awarded Jun 6 at 4:55
Corporate Overlord [closed]
Awarded Jun 5 at 22:15
Medieval weapons and Armor without gunpowder [Siege machines]
Awarded Jun 5 at 21:15
What would happen if the brain disappeared only for microseconds in a human being? [closed]
Awarded Jun 5 at 12:10
How could the hormones of an octopus affect an adult man? [closed]
Awarded Jun 5 at 2:45
Is it possible to have a wealthy country without a middle class?
Awarded Jun 4 at 19:10
How to forge a multi-part weapon? [closed]
Awarded Jun 4 at 5:45
Desert poles but arctic equators; trying to find out if specific way is possible
Awarded Jun 2 at 19:00
Ideal time in human history for reveal of Demi-Humans and the Conditions for their coexistence
Awarded Jun 2 at 2:10
How would our skies look if our sun was a white dwarf instead?
Awarded Jun 1 at 22:20
How could one realistically incorporate robots into a post-apocalyptic, 1930s setting?
Awarded Jun 1 at 16:50
How to stop economic inflation in a future whole-world kingdom?
Awarded Jun 1 at 0:50
Building a road to escape Earth's gravity by making a pyramid on Antartica
Awarded May 31 at 9:40
Could the Missouri River be running while Lake Michigan was frozen several meters deep?
Awarded May 30 at 22:00
Would this “self driving” car work?
Awarded May 29 at 23:20
Could a nomadic hunting society survive in a country without wind?
Awarded May 29 at 18:10
What modern things that are cheap can be good to sell in a fantasy medieval world at high price [closed]
Awarded May 29 at 4:15
Can an object change its own mass?
Awarded May 28 at 11:35
Asteroid in the asteroid belt suddenly gains the gravity of the earth
Awarded May 27 at 5:30
Geological aftereffects of an asteroid impact on a large mountain range?
Awarded May 27 at 4:50
Salem witch trials safe haven [closed]
Awarded May 26 at 22:30
Could six-limbed creatures evolve from griffin or dragon to centaur?
Awarded May 26 at 19:10
Can I render satellite deployment impossible, or at least impractical, by exploiting the Kessler syndrome?
Awarded May 26 at 12:15
How would the terrain of a snow-covered mountain deter a mechanized army?
Awarded May 25 at 18:10
Could a 19.25mm revolver actually exist?
Awarded May 24 at 1:35
Membrane impermeable to $N_2$ but permeable to $CO_2$ and $O_2$?
Awarded May 23 at 15:45
In an interstellar/interplanetary civilization, which would be most common/cheapest in the market: Plastic or metals?
Awarded May 23 at 5:55
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