Worldbuilding
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91
How to safely check if you are immortal?
Oct 6 '17 at 12:55
50
How does Santa fit down the chimney?
Dec 25 '17 at 11:10
44
If my world is flat (obviously not possible) how would I explain the edges?
Sep 29 '17 at 2:32
41
Hiding a subterranean alien megastructure
Oct 24 '17 at 6:14
36
Reasons to pack weapons on interstellar mission?
Feb 12 '17 at 11:31
35
Can you “glitch” physics?
Sep 2 '17 at 12:23
33
What is a logical explanation for why a race of stone humanoids wouldn't become the dominant race on the continent?
Jul 24 '17 at 5:33
31
What could an alternative human-powered transportation method look like?
Oct 15 '19 at 11:02
30
Would a galaxy-wide civilization have any reason to build a solar probe?
Aug 14 '17 at 8:33
29
What is the fastest way for a robot with superhuman capabilities to make money?
Jul 21 '16 at 13:47
28
How would an unethical corporation go about extracting resources from a nation unwilling to co-operate?
Nov 4 '19 at 3:46
27
How to give a rationality-inducing drug to an entire software company?
Oct 6 '19 at 5:54
27
Could a woman survive on mars by wearing a tight fitting, heated shirt, heated leggings, and a full head oxygen helmet
Nov 19 '18 at 11:55
27
How do I dehumanize a humanoid alien?
Dec 25 '16 at 10:18
24
How can an advanced (circa 7000 AD) spacefaring human civilization be prevented from entering its own solar system?
Nov 9 '16 at 11:33
23
How powerful would the church become if demons regularly visited Earth?
Jan 16 '17 at 7:20
23
Does knowing a technology exists make it develop faster?
Jan 4 '17 at 6:44
22
Kaijuu-like monsters killing humans: What is their viable reason to do so?
Aug 27 '16 at 12:26
20
Now, How to escape fun loving immortals?
Jul 25 '17 at 12:25
20
How to tell a clone apart?
Sep 22 '16 at 7:49
19
Is this alternate history plausible? (Hard Sci-Fi, Realistic History)
Oct 21 '16 at 3:55
19
Will it be posthumans rather than humans who explore the galaxy?
Sep 29 '16 at 6:15
19
How horribly would this alien die in earthly conditions?
Sep 27 '16 at 5:10
18
Is it possible to make high-compressive-strength cement on Mars?
Dec 2 '18 at 5:06
18
If true artificially intelligent robots could be built, would they be allowed human rights?
Jul 11 '17 at 6:03
18
How plausible is an Alcubierre drive, really?
Aug 1 '16 at 6:51
17
Is an organism with both animal-like traits and plant-like traits scientifically possible?
Jul 15 '17 at 4:31
17
How to make the era of airships last longer?
Apr 30 '17 at 13:03
17
Wouldn't a spaceship traveling at luminal or near light speeds come back to find earth hundreds of years in the future
Feb 14 '17 at 4:50
17
How cheap do prosthetics have to be for poor people to afford them?
Jul 12 '16 at 6:53
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