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Worldbuilding

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earned this badge 32 times.
How could war be replaced by sports?
Awarded Jan 27, 2023 at 23:42
What changes would we see in humans genetically engineered for combat?
Awarded Oct 15, 2021 at 5:11
How could non-photosynthetic non-chemotrophic autotrophs create usable energy?
Awarded Jan 17, 2021 at 3:16
How would cloned neanderthals fare in modern society?
Awarded Jul 22, 2018 at 0:07
How could a civilization without war evolve? [duplicate]
Awarded Apr 16, 2018 at 17:40
What goods would be worth trading between Earth and Mars?
Awarded Apr 9, 2018 at 8:54
Can hive-based aliens develop advanced technology without telepathy?
Awarded Nov 20, 2017 at 18:15
Could life evolve in the degenerate era of the universe?
Awarded Nov 18, 2017 at 19:24
What traits or behaviors would favor female warriors over males?
Awarded Jun 15, 2017 at 19:03
Would building a Dyson sphere inside the Earth's orbit render our planet uninhabitable?
Awarded Feb 15, 2017 at 4:43
Would it be possible to ride a gravitational wave?
Awarded Oct 31, 2016 at 6:36
Are there any ways to allow some form of FTL travel without allowing time travel?
Awarded Jul 17, 2016 at 14:06
How would life evolve, or could life be engineered to live, in the absence of an atmosphere?
Awarded Jul 14, 2016 at 17:01
Are hoofed bipeds feasible?
Awarded Jun 22, 2016 at 13:45
How far could a planet be from its star and still be kept habitable by intense greenhouse gases?
Awarded Apr 14, 2016 at 23:48
What would be the best way to get clean, drinkable water in a medieval city?
Awarded Apr 13, 2016 at 14:01
How far away would an alien civilization need to be for us to not notice them?
Awarded Apr 7, 2016 at 7:42
Would gorillas with human-level intelligence make effective soldiers?
Awarded Feb 25, 2016 at 10:07
What would be the best way to fight a duel with lightsabers?
Awarded Dec 16, 2015 at 8:07
What's the highest population the Earth could possibly sustain?
Awarded Oct 27, 2015 at 5:47
How many survivors would be left after a global nuclear war?
Awarded Oct 27, 2015 at 3:28
Would an island-covered planet be possible?
Awarded Sep 18, 2015 at 8:24
How could bird people map the air?
Awarded Jun 10, 2015 at 22:18
What would the fortifications of an underwater city look like?
Awarded May 19, 2015 at 22:24
What determines whether or not tribes will form into larger groups?
Awarded May 8, 2015 at 18:11
Can humans interact meaningfully with the economy when robots are better at everything?
Awarded May 7, 2015 at 21:34
How long would it take for a forest ecosystem to overtake New York City?
Awarded May 1, 2015 at 20:31
What advantages would bovines have over horses when used as cavalry?
Awarded Apr 18, 2015 at 1:37
Why would people use flapping-wing instead of fixed-wing aircraft?
Awarded Jan 30, 2015 at 9:10
What could humans do to render the earth uninhabitable?
Awarded Dec 16, 2014 at 9:33
Is there any feasible way to inhabit the sun?
Awarded Dec 9, 2014 at 14:03
How would winds behave on a tidally locked planet?
Awarded Dec 2, 2014 at 2:55

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