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Worldbuilding
David K's user avatar
David K's user avatar
David K's user avatar
David K
  • Member for 9 years, 3 months
  • Last seen this week
  • Massachusetts
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21
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Top posts
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7
How to have high tides in the tropics?
Sep 6, 2018
5
How would one mark directions in three dimensional space without north/south/east/west?
Apr 27, 2016
5
What does a person in a light-bending invisibility cloak look like from behind?
Dec 11, 2016
4
What conditions would prevent the possibility of human-made satellites orbiting a habitable planet?
Feb 22, 2017
4
A calendar/timekeeping system based only on the stars?
Mar 3
3
Basin on a mountaintop plateau - how to keep the water salty?
Jan 16, 2017
3
Definite pitch designs only, what musical instrument and class of musical instruments would be easiest to design if the world reset?
Oct 23, 2023
2
Given an "indestructible" material used for armor - what are ways to explain that material not being used as a weapon as well?
Jan 9, 2016
2
Ferrying an island with mortals on top. Is it possible without killing them?
Dec 12, 2016
2
Flight in Zero Gravity
Oct 31, 2021
Top network posts
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270
Calculating the length of the paper on a toilet paper roll
68
Exam with $12$ yes/no questions (half yes, half no) and $8$ correct needed to pass, is it better to answer randomly or answer exactly 6 times yes?
62
Why is right to spell "eating" not "eatting"?
61
Is there a common saying in English that means "It's just business, I don't feel any shame"
56
What would you call someone who sneaks into and stays in places where they have to be signed up, e.g. classes/country clubs