User lupe - Worldbuilding Stack Exchange

33 votes

What is the most efficient crop for converting kilowatts of UV light into calories people can eat?

answered Feb 12, 2023 at 0:55

26 votes

With what liquid should I fill my dead, intraversable seas?

answered Aug 27, 2020 at 11:27

25 votes

Excuse for plasma, projectile, laser, and particle-beam weaponry to coexist?

answered Nov 24, 2022 at 10:19

23 votes

Accepted

How successful could rapidly spreading new predator be in world with today's type of development

answered Feb 3, 2023 at 8:52

20 votes

How large would a tree need to be to provide oxygen for 100 people?

answered Jan 25, 2023 at 11:35

20 votes

Accepted

What would aliens glean from our consumer grade computers?

answered Aug 20, 2023 at 16:19

18 votes

Rhino cavalry charge! How horrible would it be?

answered Jul 3, 2020 at 15:02

17 votes

Asymmetric Newton's Cradle as a 'rapidly' firing medieval weapon - Is it practical

answered Jan 30, 2023 at 17:36

14 votes

Can CRISPR technology be used to create ‘super soldiers’?

answered Jan 15 at 15:50

13 votes

What types of materials would be generated by a lava monster that has been cooled down rapidly?

answered Dec 1, 2023 at 9:31

13 votes

All this salt, and it's useless! Why?

answered Jul 19, 2023 at 23:17

13 votes

Everyone is sent into the future via regularly scheduled timejumps. How can I make sure I survive?

answered Aug 14, 2023 at 21:34

12 votes

How much steel could be recovered from cities a few hundred years after a nuclear apocalypse?

answered Dec 4, 2023 at 10:58

11 votes

How does an explorer civilization survive the Dark Forest Scenario?

answered Feb 26 at 13:11

11 votes

Feasibility of a 5000km tall orbital tower using active support

answered Aug 7, 2023 at 14:09

11 votes

What is the most air-tight substance an organism can produce?

answered Mar 15, 2023 at 22:41

11 votes

I can shrink myself to 3 mm and teleport into someone else's body. How can I make them die of a "natural" cause?

answered Dec 13, 2022 at 8:29

11 votes

How do you motivate people to post flyers around town?

answered Jan 3, 2023 at 14:10

10 votes

Will a Humans Tolerance Keep Going Until Full Immunity?

answered Sep 20, 2023 at 9:36

10 votes

Accepted

Possible reactions for Artillery Plants?

answered Oct 6, 2023 at 21:03

9 votes

How big of an explosion can you make with a fusion reactor?

answered Feb 4, 2023 at 23:58

9 votes

What would a creature with very powerful and accurate throwing ability look like?

answered Aug 25, 2020 at 17:06

8 votes

How to effectively defeat an alien "infection"?

answered Nov 30, 2020 at 14:24

8 votes

Litmus Test for whether my worldbuilt cultures are too close to modern America/Britain/etc

answered Feb 11, 2023 at 9:35

8 votes

Is there an Evolutionary advantage for 10% of my mammalian species from the Homo genus to have Von Willebrand blood-clotting disease?

answered Oct 12, 2022 at 12:45

8 votes

How would tides work on a floating island?

answered Jul 13, 2023 at 14:45

7 votes

How can a bloodline be rare without completely dying out?

answered May 31 at 8:46

7 votes

Accepted

Could supercritical co2 act as a biosolvent?

answered Jan 9, 2023 at 18:35

5 votes

Accepted

Why wouldn't a crime czar control drugs, but a pet cartel?

answered Jan 19, 2023 at 8:24

5 votes

Is there space in an average animal cell that I could cram some extra organelles into?

answered Jun 5, 2022 at 11:04

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77 Answers

What is the most efficient crop for converting kilowatts of UV light into calories people can eat?

With what liquid should I fill my dead, intraversable seas?

Excuse for plasma, projectile, laser, and particle-beam weaponry to coexist?

How successful could rapidly spreading new predator be in world with today's type of development

How large would a tree need to be to provide oxygen for 100 people?

What would aliens glean from our consumer grade computers?

Rhino cavalry charge! How horrible would it be?

Asymmetric Newton's Cradle as a 'rapidly' firing medieval weapon - Is it practical

Can CRISPR technology be used to create ‘super soldiers’?

What types of materials would be generated by a lava monster that has been cooled down rapidly?

All this salt, and it's useless! Why?

Everyone is sent into the future via regularly scheduled timejumps. How can I make sure I survive?

How much steel could be recovered from cities a few hundred years after a nuclear apocalypse?

How does an explorer civilization survive the Dark Forest Scenario?

Feasibility of a 5000km tall orbital tower using active support

What is the most air-tight substance an organism can produce?

I can shrink myself to 3 mm and teleport into someone else's body. How can I make them die of a "natural" cause?

How do you motivate people to post flyers around town?

Will a Humans Tolerance Keep Going Until Full Immunity?

Possible reactions for Artillery Plants?

How big of an explosion can you make with a fusion reactor?

What would a creature with very powerful and accurate throwing ability look like?

How to effectively defeat an alien "infection"?

Litmus Test for whether my worldbuilt cultures are too close to modern America/Britain/etc

Is there an Evolutionary advantage for 10% of my mammalian species from the Homo genus to have Von Willebrand blood-clotting disease?

How would tides work on a floating island?

How can a bloodline be rare without completely dying out?

Could supercritical co2 act as a biosolvent?

Why wouldn't a crime czar control drugs, but a pet cartel?

Is there space in an average animal cell that I could cram some extra organelles into?